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Xerox Phaser 6280 Service Manual

Summary of Phaser 6280

  • Page 1

    Phaser ® 6280 color laser printer phaser ® 6280 service manual.

  • Page 3: Service Manual

    Service manual 701p48435 phaser ® 6280 color laser printer warning the following servicing instructions are for use by qualified service personnel only. To avoid personal injury, do not perform any servicing other than that contained in the operating instructions, unless you are qualified to do so. ...

  • Page 4

    Ii phaser 6280 color laser printer service manual prepared by: xerox corporation xog worldwide product training and information 26600 sw parkway wilsonville, or 97070 unpublished rights reserved under the copyright laws of the united states. Contents of this publication may not be reproduced in any ...

  • Page 5: Service Terms

    Phaser 6280 color laser printer service manual iii service terms manual terms various terms are used throughout this manual to either provide additional information on a specific topic or to warn of possible danger present during a procedure or action. Be aware of all symbols and terms when they are...

  • Page 6

    Iv phaser 6280 color laser printer service manual symbols marked on the product danger invisible laser radiation when open. Avoid direct exposure to beam. Hot surface on or in the printer. Use caution to avoid personal injury. Use caution (or draws attention to a particular component). Refer to the ...

  • Page 7: Power Safety Precautions

    Phaser 6280 color laser printer service manual v power safety precautions power source for 115 vac printers, do not apply more than 127 volts rms between the supply conductors or between either supply conductor and ground. For 230 vac printers, do not apply more than 254 volts rms between the supply...

  • Page 8

    Vi phaser 6280 color laser printer service manual electrostatic discharge precautions some semiconductor components, and the respective sub-assemblies that contain them, are vulnerable to damage by electrostatic discharge (esd). These components include integrated circuits (ics), large-scale integra...

  • Page 9: Service Safety Summary

    Phaser 6280 color laser printer service manual vii service safety summary general guidelines for qualified service personnel only: refer also to the preceding “power safety precautions” on page v. Avoid servicing alone: do not perform internal service or adjustment of this product unless another per...

  • Page 10

    Viii phaser 6280 color laser printer service manual servicing electrical components before starting any service procedure, switch the printer power off and unplug the power cord from the wall outlet. If you must service the printer with power applied, be aware of the potential for electrical shock. ...

  • Page 11: Moving The Printer

    Phaser 6280 color laser printer service manual ix moving the printer warning parts of the printer are hot. Wait at least 30 minutes for the printer to cool before moving or packing the printer. ■ use the power switch to turn off the printer, and unplug all cables and cords. Do not turn the printer o...

  • Page 12: Regulatory Information

    X phaser 6280 color laser printer service manual regulatory information xerox has tested this product to electromagnetic emission and immunity standards. These standards are designed to mitigate interference caused or received by this product in a typical office environment. United states (fcc regul...

  • Page 13

    Phaser 6280 color laser printer service manual xi european union this product, if used properly in accordance with the user's instructions, is neither dangerous for the consumer nor for the environment. To ensure compliance with european union regulations, use shielded interface cables. A signed cop...

  • Page 14: Manual Organization

    Xii phaser 6280 color laser printer service manual manual organization the phaser 6280 color laser printer service manual is the primary document used for repairing, maintaining, and troubleshooting the printer. Use this manual as your primary resource for understanding the operational characteristi...

  • Page 15

    Phaser 6280 color laser printer service manual xiii.

  • Page 16

    Xiv phaser 6280 color laser printer service manual.

  • Page 17: Table of Contents

    Phaser 6280 color laser printer service manual xv table of contents table of contents service terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Iii symbols marked on the product . . . ...

  • Page 18: 2 Theory of Operation

    Xvi phaser 6280 color laser printer service manual table of contents 2 theory of operation phaser 6280 printer operational overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 print process block diagram . . . . . . . . . . ....

  • Page 19: 3 Error Messages And Codes

    Phaser 6280 color laser printer service manual xvii table of contents 3 error messages and codes introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 accessing error history ...

  • Page 20: 4 General Troubleshooting

    Xviii phaser 6280 color laser printer service manual table of contents configuration, memory, and firmware errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-94 download error . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Page 21

    Phaser 6280 color laser printer service manual xix table of contents service diagnostics tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11 service diagnostic tests and utilities . . . . . . . . . . . ....

  • Page 22

    Xx phaser 6280 color laser printer service manual table of contents print-quality troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-22 print-quality defect definitions . . . . . . . . . . . . . . . . ...

  • Page 23: 8 Service Parts Disassembly

    Phaser 6280 color laser printer service manual xxi table of contents 8 service parts disassembly overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 standard orientation of ...

  • Page 24: 9 Parts List

    Xxii phaser 6280 color laser printer service manual table of contents frame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-65 left link (pl7.1.3). . . . . . . . . . . . . . . ....

  • Page 25: A Reference

    Phaser 6280 color laser printer service manual xxiii table of contents options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-33 parts list 11.1 duplex . . . . . . . . . . . . . ....

  • Page 26

    Xxiv phaser 6280 color laser printer service manual table of contents.

  • Page 27: In This Chapter...

    1 chapter general information in this chapter... ■ printer introduction and overview ■ printer configurations ■ parts of the printer ■ printer options ■ maintenance items ■ consumables ■ printer specifications ■ controller functions.

  • Page 28

    1-2 phaser 6280 color laser printer service manual general information printer introduction and overview the xerox phaser 6280 color laser printer has a single-pass color laser- design architecture, which offers color and mono print speed at 26/31-ppm, and resolutions up to 600 x 600 dots-per-inch (...

  • Page 29: Printer Configurations

    Phaser 6280 color laser printer service manual 1-3 general information printer configurations the phaser 6280 printer is available in two configurations. * all configurations have one memory slot supporting 512 mb/ 1 gb ddr2 dimms, to a maximum of 1280 mb. Standard memories are soldered on board. Ph...

  • Page 30: Parts of The Printer

    1-4 phaser 6280 color laser printer service manual general information parts of the printer front and side views 1. Tray 2 2. Tray 3 3. Tray 1 (mpt) 4. Front cover (door a) 5. Control panel 6. Output tray 7. Extender cover 8. Top cover 9. Front cover release button 10. Power switch 1 2 3 4 5 6 7 10 ...

  • Page 31

    Phaser 6280 color laser printer service manual 1-5 general information rear view 1. Ethernet port 2. Usb port 3. Power cord connector s6280-034 1 2 3.

  • Page 32

    1-6 phaser 6280 color laser printer service manual general information control panel the control panel consists of 2 leds, 1 display window, and 8 functional buttons. These buttons are used to navigate the menu system, perform functions, and select modes of operation for the printer. Control panel b...

  • Page 33

    Phaser 6280 color laser printer service manual 1-7 general information led indicators control panel shortcuts led state printer state green ready to print or in power saver mode flashing green processing print job red error occurs, can be fixed by user flashing red error occurs, cannot be fixed by u...

  • Page 34: Printer Options

    1-8 phaser 6280 color laser printer service manual general information printer options the phaser 6280 printer options include: ■ additional memory (512 mb/ 1024 mb) ■ duplex unit ■ hard disk drive ■ optional 550-sheet feeder (tray 3) additional memory the printer features one slot that accepts 512 ...

  • Page 35

    Phaser 6280 color laser printer service manual 1-9 general information hard disk drive the phaser 6280 supports a customer removable hard disk for secure print, proof print, collation, and for storing additional fonts/forms/macros. S6280-295.

  • Page 36

    1-10 phaser 6280 color laser printer service manual general information optional 550-sheet feeder (tray 3) the optional 550-sheet feeder increases the input capacity of the printer and can be attached to the printer underneath tray 2 with 2 screws. Note only one optional 550-sheet feeder is supporte...

  • Page 37: Maintenance Items

    Phaser 6280 color laser printer service manual 1-11 general information maintenance items an item is a printer part or assembly that has a limited life, and requires periodic replacement. The following routine maintenance items are customer replaceable. The listed items have limited life and require...

  • Page 38

    1-12 phaser 6280 color laser printer service manual general information s6280-039 optional 550-sheet feeder feed roller tray 3 optional 550-sheet feeder retard roller.

  • Page 39: Consumables

    Phaser 6280 color laser printer service manual 1-13 general information consumables consumables consist of 4 print cartridges used in the printer. Cmy toner will not be consumed when printing in mono mode or when printing a grayscale job only. Internal counters track consumables and maintenance item...

  • Page 40: Printer Specifications

    1-14 phaser 6280 color laser printer service manual general information printer specifications functional specifications characteristic specification printing technology recording system: tandem electro-photographic system using opc drum and direct transfer by the transport belt developer: double co...

  • Page 41

    Phaser 6280 color laser printer service manual 1-15 general information memory specifications electrical specifications characteristic specifications memory minimum 256 mb on-board memory maximum 1280 mb supported ram supports up to 1280 mb of ddr2 dimm with one slot for 512 mb/ 1 gb characteristic ...

  • Page 42

    1-16 phaser 6280 color laser printer service manual general information print speed environmental specifications simplex (ppm) duplex (ipm) resolution color a/a4 mono a/a4 color a/a4 mono a/a4 600 standard 26/25 31/30 18/17 21/20 600 enhanced 26/25 31/30 18/17 21/20 paper type (65 - 220 gsm) letter ...

  • Page 43

    Phaser 6280 color laser printer service manual 1-17 general information operating mode mode condition description running mode the printer is under operating condition such as running or recording. Fusing the system keeps the operating temperature. Exposure the laser unit motor runs at the running s...

  • Page 44

    1-18 phaser 6280 color laser printer service manual general information first print output time (fpot) first print output time is defined as a time from when the engine receives a start signal in ready state, until a single page is printed and delivered to the output tray. The following conditions a...

  • Page 45

    Phaser 6280 color laser printer service manual 1-19 general information image specifications note the printer has 4 mm margins on all sides. Refer to “print-quality troubleshooting” on page 5-1 for detailed specifications. Characteristic specification maximum print area 210.9 mm (8.3 inches) x 351.6...

  • Page 46

    1-20 phaser 6280 color laser printer service manual general information physical dimensions and clearances printer dimensions minimum clearances print engine 6280n 6280dn height 473 mm (18.6 in.) 473 mm (18.6 in.) width 400 mm (15.7 in.) 400 mm (15.7 in.) depth 490 mm (19.3 in.) 490 mm (19.3 in.) we...

  • Page 47

    Phaser 6280 color laser printer service manual 1-21 general information mounting surface specifications these specifications apply to any printer used as a table-top printer. 1. In order to function properly, the printer must be placed on a surface with the following minimum dimensions. 2. Mounting ...

  • Page 48

    1-22 phaser 6280 color laser printer service manual general information 3. The printer must not be tipped or tilted more than 7 mm. Failure to adhere to the specified mounting specifications will void all guarantees of print-quality and/or performance. Known problems that can occur as a result of ex...

  • Page 49

    Phaser 6280 color laser printer service manual 1-23 general information media and tray specifications the following tables list the recommended xerox paper for the printer. Supported paper size paper type dimension tray 1 (mpt) tray 2, 3 duplex letter 8.5 x 11 in. Yes yes yes legal 8.5 x 14 in. Yes ...

  • Page 50

    1-24 phaser 6280 color laser printer service manual general information supported envelopes type dimension tray 1 (mpt) tray 2, 3 duplex envelope #10 4.12 x 9.5 in. Yes no no monarch envelope 3.87 x 7.5 in. Yes no no c5 envelope 162 x 229 mm yes no no dl envelope 110 x 220 mm yes no no note: do not ...

  • Page 51: Controller Functions

    Phaser 6280 color laser printer service manual 1-25 general information controller functions job control auditron auditron specifies the availability of color print and to limit print volume per user. Only the administrators are allowed to configure the limitation settings using centreware is. User ...

  • Page 52

    1-26 phaser 6280 color laser printer service manual general information ram disk and hard disk ram disk or hard disk functions when memory or hard disk is expanded, enabling collation, secure print, proof print, form overlay, font download, and postscript file system (hard disk only). Collation the ...

  • Page 53

    Phaser 6280 color laser printer service manual 1-27 general information ■ user password – consists of a variable length from 0 to 11 digits. The password is an optional input and hidden from the user interface by displaying “*” for each digit. If a password is not specified, the driver will accept i...

  • Page 54

    1-28 phaser 6280 color laser printer service manual general information non-genuine mode when the print cartridge life has ended, the printer stops accepting print request (life of the print cartridge is counted by the counter in the crum). This mode can be changed so the printer will not stop at th...

  • Page 55

    Phaser 6280 color laser printer service manual 1-29 general information maintenance function firmware update the image processor board and multi-protocol network card firmware can be updated by customers and service technicians using windows pc or macintosh with dedicated utilities. Firmware updates...

  • Page 56

    1-30 phaser 6280 color laser printer service manual general information information pages demo page demo page provides sample of print for the phaser 6280 color laser printer. The demo page is printed in color from selected paper tray. The demo page will be printed in duplex mode when a duplex unit ...

  • Page 57

    Phaser 6280 color laser printer service manual 1-31 general information configuration page configuration.Ai.

  • Page 58

    1-32 phaser 6280 color laser printer service manual general information user can print the configuration page from the control panel > menu > information pages > configuration . The configuration page is printed in from the default tray and includes the following information. Configuration page info...

  • Page 59

    Phaser 6280 color laser printer service manual 1-33 general information fonts list user can print the pcl font list or postscript font list on a size paper from default tray. Y, m, c, and k color patterns are printed on the font list (pcl driver only). The pcl font list contains: ■ number ■ fonts ■ ...

  • Page 60

    1-34 phaser 6280 color laser printer service manual general information error history report the printer can retain up to 42 jam errors and up to 42 fatal errors. User can print the error history report default on a paper size from default tray using the printer menu in the control panel. Jam error ...

  • Page 61

    Phaser 6280 color laser printer service manual 1-35 general information print meter (print volume report) user can print the print meter page default on a paper size from default tray. The print meter page contains: ■ date of initialization ■ date/time ■ job accounting user name ■ pages ■ sheets bil...

  • Page 62

    1-36 phaser 6280 color laser printer service manual general information.

  • Page 63: In This Chapter...

    2 chapter theory of operation in this chapter... ■ phaser 6280 printer operational overview ■ printing process ■ paper path of the printer ■ major assemblies and functions ■ printer modes ■ printer control ■ drive transmission.

  • Page 64

    2-2 phaser 6280 color laser printer service manual theory of operation phaser 6280 printer operational overview the phaser 6280 color laser printer is a full-color laser printer that uses raster output scanner (ros) lasers with an electrophotographic four-color cmyk process. The tandem system consis...

  • Page 65: Printing Process

    Phaser 6280 color laser printer service manual 2-3 theory of operation printing process the phaser 6280 printer print process consists of the following steps: 1. Charging – the drum surfaces are charged with electricity. 2. Exposure – the drums are exposed to laser beams. 3. Development – image is d...

  • Page 66

    2-4 phaser 6280 color laser printer service manual theory of operation charging the drum surface is charged with negative electricity by discharging of the bias charge roll (bcr) while rotating at a constant speed. This process is performed in parallel for cyan, magenta, yellow, and black colors. Th...

  • Page 67

    Phaser 6280 color laser printer service manual 2-5 theory of operation exposure laser beams are emitted from the laser diodes in the laser unit. The drum for each color is scanned from end to end in the axial direction as the polygon mirror rotates, which attaches the fixed mirror and lenses to the ...

  • Page 68

    2-6 phaser 6280 color laser printer service manual theory of operation the negative charged drum surface is scanned by the laser beams to form an invisible electrostatic latent image on the drum surface. The process is performed in parallel for cyan, magenta, yellow, and black colors. The area on th...

  • Page 69

    Phaser 6280 color laser printer service manual 2-7 theory of operation development toner is electrically attached to the invisible electrostatic latent image on the drum surface to form the visible toner image on the drum. The toner in the print cartridge is agitated by the built-in agitator and fed...

  • Page 70

    2-8 phaser 6280 color laser printer service manual theory of operation the magnet roll is covered by a thin semi-conductive sleeve over the surface. The developer bias voltage is supplied to this semiconductor sleeve from the high-voltage power supply (hvps). Developer bias is negative direct curren...

  • Page 71

    Phaser 6280 color laser printer service manual 2-9 theory of operation transfer (drum ---> paper) toner image formed on the drum surface is transferred onto the surface of the paper. The toner is transferred onto the paper in the order of y, m, c, and k. Transfer (drum paper) drum surface (black ton...

  • Page 72

    2-10 phaser 6280 color laser printer service manual theory of operation ■ bias transfer roll (btr) – the btr is a conductive roll, which receives positive voltage from the hvps. The btr contacts the rear side of the belt and applies the positive voltage to the belt. ■ transfer unit (belt) – the tran...

  • Page 73

    Phaser 6280 color laser printer service manual 2-11 theory of operation cleaning (print cartridge) excess toner is removed from the drum and the bcr surfaces, while excess charge is also eliminated from the drum surface. ■ drum cleaning – the cleaning blade contacts the surface of the drum collectin...

  • Page 74

    2-12 phaser 6280 color laser printer service manual theory of operation neutralization the detack saw neutralizes the charge on the paper via the belt. The detack saw, a metal sheet secured at the ground level, is installed at several millimeters away from the back side of the belt. S6280-056 negati...

  • Page 75

    Phaser 6280 color laser printer service manual 2-13 theory of operation fusing toner is applied by the btr and the developers. The toner image is applied on the paper with the fuser (fusing unit) by the free belt nip fusing (fbnf) thermal fusing system. The heat roll with the heater lamp melts the t...

  • Page 76: Paper Path of The Printer

    2-14 phaser 6280 color laser printer service manual theory of operation paper path of the printer paper path route the paper is supplied from tray 1, 2, or optional tray 3, and is transported into the printer along the paper path as shown in the diagram. S6280-058 tray 1 (mpt) multiple sheet feed pr...

  • Page 77

    Phaser 6280 color laser printer service manual 2-15 theory of operation paper path components paper path components for the printer and the optional 550-sheet feeder are shown in the following figure. Laser beam paper transfer paper sensors exit roller (fuser) duplex gate (fuser) exit sensor (fuser)...

  • Page 78

    2-16 phaser 6280 color laser printer service manual theory of operation major assemblies and functions major functional components for the printer are classified into the following categories based on the printer configuration. ■ tray 2 ■ paper feeder ■ tray 1 (mpt) & registration ■ fuser ■ transfer...

  • Page 79

    Phaser 6280 color laser printer service manual 2-17 theory of operation ■ tray 2 end guide the end guide moves in toward the paper transfer direction to determine the paper size. The on/off of the size switch adjusts according to the tray end guide position to detect the paper size. The paper size i...

  • Page 80

    2-18 phaser 6280 color laser printer service manual theory of operation ■ tray 2 bottom plate the bottom plate is locked to the bottom side when the tray is pulled out from the paper feeder, and unlocked when the tray is installed into the paper feeder. The bottom plate pushes the paper against the ...

  • Page 81

    Phaser 6280 color laser printer service manual 2-19 theory of operation tray 2 multiple sheet feed prevention the sheets loaded into tray 2 are occasionally stuck together along the edges, which can cause a multiple feed or a jam. The nudger roller feeds the sheets to a position between the feed rol...

  • Page 82

    2-20 phaser 6280 color laser printer service manual theory of operation however, when two sheets are fed concurrently, only the feed roller rotates. The retard roller is coupled to a friction clutch that prevents the roller from rotating due to extra force from feeding two sheets; this process allow...

  • Page 83

    Phaser 6280 color laser printer service manual 2-21 theory of operation paper feeder ■ tray 2 feed roller the feed roller (takeaway roller) feeds the paper when the feed clutch operates. ■ tray 2 feed clutch the feed clutch transmits drive energy from the ph drive assembly to the feed roller. ■ tray...

  • Page 84

    2-22 phaser 6280 color laser printer service manual theory of operation ■ tray 2 no paper sensor the no paper sensor detects the presence of the paper in the tray based on the tray 2 no paper actuator’s position. S6280-067 no paper sensor no paper actuator actuator (no paper position).

  • Page 85

    Phaser 6280 color laser printer service manual 2-23 theory of operation tray 1 (mpt) & registration ■ tray 1 (mpt) turn clutch the turn clutch transmits drive energy from the ph drive assembly to the turn roller. ■ tray 1 (mpt) turn roller the turn roller is rotated by the drive from the ph drive as...

  • Page 86

    2-24 phaser 6280 color laser printer service manual theory of operation ■ tray 1 (mpt) feed solenoid the feed solenoid controls drive energy from the ph drive assembly to the tray 1 (mpt) feed roller. ■ tray 1 (mpt) no paper sensor the no paper sensor detects the presence of paper in tray 1 (mpt) ba...

  • Page 87

    Phaser 6280 color laser printer service manual 2-25 theory of operation tray 1 multiple sheet feed prevention the sheets loaded in tray 1 (mpt) are occasionally stuck together at the edges, which can cause a multiple sheet feed or a jam. Normally, when only one sheet is fed, both the feed roller and...

  • Page 88

    2-26 phaser 6280 color laser printer service manual theory of operation lead edge registration when a sheet is fed from tray 1 (mpt) to the toner transfer position, the registration of the sheet may not be correctly maintained due to misalignment of lead edges in the tray. To avoid this problem, the...

  • Page 89

    Phaser 6280 color laser printer service manual 2-27 theory of operation paper detection by the registration sensor since the paper path from tray 1/duplex to the registration sensor and from the paper tray to the registration sensor are different, the registration sensor is provided with actuators a...

  • Page 90

    2-28 phaser 6280 color laser printer service manual theory of operation fuser the fuser fixes transferred toner onto the paper using heat and pressure and feeds the paper before and after toner is fixed. The fuser consists of the following components: heat roller, heater lamp, thermostat, temperatur...

  • Page 91

    Phaser 6280 color laser printer service manual 2-29 theory of operation ■ heater lamp the heater rods are glass tubes containing heater coils. The main heater lamp heats the entire length of the heat roller, and the dual sub- heater rods heat the center. ■ thermostat the thermostat provides a second...

  • Page 92

    2-30 phaser 6280 color laser printer service manual theory of operation transfer unit the transfer unit consists of the belt, adc sensor, adc solenoid, and adc pad. ■ belt the belt feeds the paper toward the direction of the fuser. ■ adc sensor the adc sensor detects the toner patches on the belt an...

  • Page 93

    Phaser 6280 color laser printer service manual 2-31 theory of operation laser unit the laser unit is an exposure unit that generates laser beams to form electrostatic latent image on the drum surface. The laser unit consists of the following components: laser diode (ld) assembly, scanner assembly, s...

  • Page 94

    2-32 phaser 6280 color laser printer service manual theory of operation ■ laser diode board there are four laser diodes which produce laser beams that are turned on and off according to the print data signal. The laser diode board is comprised of four lds corresponding to c, m, y, and k. Each ld con...

  • Page 95

    Phaser 6280 color laser printer service manual 2-33 theory of operation print cartridge the print cartridge is a customer replaceable item that consists of the following components: ■ customer replaceable unit memory (crum) connector the crum connector reads and writes the crum data. Printer specifi...

  • Page 96

    2-34 phaser 6280 color laser printer service manual theory of operation ■ cru sensor (c/m/y/k) the cru sensor detects the presence of the print cartridge. ■ erase lamp (led) the light of the led passes through the lens of the print cartridge, illuminates the drum, and eliminates the charge on the dr...

  • Page 97

    Phaser 6280 color laser printer service manual 2-35 theory of operation main drive the main drive provides drive energy to the following components: ■ main motor the main motor provides drive energy for the black drum, transfer unit, and fuser. ■ sub motor the sub motor provides drive energy for the...

  • Page 98

    2-36 phaser 6280 color laser printer service manual theory of operation ■ k drive assembly the transmission channel is changed by the the color mode switching solenoid in the k drive assembly to allow the driving force of the sub motor to reach the c/m/y developer only. This process ensures that the...

  • Page 99

    Phaser 6280 color laser printer service manual 2-37 theory of operation electrical control panel the control panel displays the printer status and operates the printer. S6280-083 humidity/temperature sensor interlock switch power switch eeprom board image processor board mcu board interlock switch h...

  • Page 100

    2-38 phaser 6280 color laser printer service manual theory of operation power switch the power switch turns the printer ac power supply on/off. Main fan the main fan removes heat from the printer to prevent overheating. Electrically erasable programmable read-only memory (eeprom) board the eeprom bo...

  • Page 101

    Phaser 6280 color laser printer service manual 2-39 theory of operation high-voltage power supply (hvps) the hvps supplies high-voltage power to the components in the transfer unit and print cartridge to perform charging, development, and primary transfer of the print process to the bcr, btr, and de...

  • Page 102

    2-40 phaser 6280 color laser printer service manual theory of operation image processor board the image processor (i/p) board is connected to the mcu board, which controls the printer, including diagnostic, interface, and image processing. The i/p board is one of the major elements of the phaser 628...

  • Page 103

    Phaser 6280 color laser printer service manual 2-41 theory of operation machine control unit board the machine control unit (mcu) board controls the printing process based on the communication with the printer image processor board and information from the sensors or switches. Major functions includ...

  • Page 104

    2-42 phaser 6280 color laser printer service manual theory of operation data flow the electrical signal flow for the print data from the printer i/p board is shown in the following diagram. Host (electric signal) electronic sub-system control board (electric signal) machine control unit (electric si...

  • Page 105

    Phaser 6280 color laser printer service manual 2-43 theory of operation duplex unit ■ duplex jam sensor the duplex jam sensor detects paper that is carried to the duplex unit. ■ duplex clutch the duplex clutch transmits drive energy from the duplex motor to the exit roller in the fuser. When the clu...

  • Page 106

    2-44 phaser 6280 color laser printer service manual theory of operation tray 3 - optional 550-sheet feeder tray 3 function ■ tray 3 side guide (left/right) the left/right guide moves at a right angle to the paper transfer direction to align the paper width. ■ tray 3 retard roller the retard roller a...

  • Page 107

    Phaser 6280 color laser printer service manual 2-45 theory of operation ■ tray 3 end guide the end guide moves toward the paper direction to determine the paper size. The size switch on/off switch varies according to the tray 3 end guide position to detect the paper size. Paper is detected at the tr...

  • Page 108

    2-46 phaser 6280 color laser printer service manual theory of operation ■ tray 3 bottom plate the bottom plate is locked to the bottom side when the tray is pulled out from the paper feeder, and unlocked when the tray is installed into the paper feeder. The bottom plate pushes the paper against the ...

  • Page 109

    Phaser 6280 color laser printer service manual 2-47 theory of operation tray 3 multiple sheet feed prevention the sheets loaded in tray 3 are occasionally stuck together along the edges, which can cause a multiple sheet feed or a jam. The nudger roller feeds the sheets to a position between the feed...

  • Page 110

    2-48 phaser 6280 color laser printer service manual theory of operation however, when two sheets are fed concurrently, only the feed roller rotates. The retard roller is coupled to a friction clutch that prevents the roller from rotating due to extra force from feeding two sheets; this process allow...

  • Page 111

    Phaser 6280 color laser printer service manual 2-49 theory of operation optional 550-sheet feeder ■ tray 3 no paper sensor the no paper sensor detects the presence of the paper in the paper tray based on the no paper actuator position. ■ tray 3 feed clutch the feed clutch transmits drive energy from...

  • Page 112

    2-50 phaser 6280 color laser printer service manual theory of operation ■ tray 3 size switch the size switch detects the paper size and the presence of the paper tray. S6280-094 size switch size switch actuator tray end guide.

  • Page 113: Printer Modes

    Phaser 6280 color laser printer service manual 2-51 theory of operation printer modes operational modes the phaser 6280 printer includes the following modes: ■ diagnostics mode the printer is ready to receive diagnostic commands, or the printer diagnostic function is operating. ■ wait mode the print...

  • Page 114: Printer Control

    2-52 phaser 6280 color laser printer service manual theory of operation printer control paper size detection the paper size detection for trays 2 and 3 is determined by three paper size switches in each paper tray slot. The switch condition is set by moving the paper guide in the tray. This in turn ...

  • Page 115

    Phaser 6280 color laser printer service manual 2-53 theory of operation selective control on paper tray the default tray is tray 2. The preferred paper tray can be changed using the menu on the printer control panel: menu > tray settings . Laser unit light quantity control image data is sent to the ...

  • Page 116

    2-54 phaser 6280 color laser printer service manual theory of operation 4. The drum charging voltage, developing dc voltage, and the laser unit beam intensity are adjusted for each color according to the detected patch density. Toner density control toner density must be kept constant to attain stab...

  • Page 117

    Phaser 6280 color laser printer service manual 2-55 theory of operation adc sensor adjustment the adc sensor is a reflection type sensor that radiates light from its led onto the target and detects the reflected light at its photoreceptor and outputs electric signals responsive to the amount of the ...

  • Page 118

    2-56 phaser 6280 color laser printer service manual theory of operation color registration control the printer uses a tandem electro-photographic system with organic photo conductor (opc) drums and direct transfer by the transfer belt. The images are formed on the drums of respective colors and they...

  • Page 119

    Phaser 6280 color laser printer service manual 2-57 theory of operation fuser control fuser temperature control after the target temperature is set, the heat roll surface temperature is controlled so at that it can be the target temperature by turning the heater lamp on/off. Temperature of individua...

  • Page 120: Drive Transmission

    2-58 phaser 6280 color laser printer service manual theory of operation drive transmission mechanical components clutch the electromagnetic clutch in the printer controls the rotation of the roller by transferring torque from the motor to the roller. The electromagnetic clutch becomes an electromagn...

  • Page 121

    Phaser 6280 color laser printer service manual 2-59 theory of operation solenoid the solenoid opens/closes the shutter or controls the position of the gear for transferring torque of the motor to the roller. The solenoid becomes an electromagnet by transferring electric current through the coil insi...

  • Page 122

    2-60 phaser 6280 color laser printer service manual theory of operation switch a micro-switch closes the internal contacts via a button, which is pushed down under the leaf spring that is held down by the actuator of the cover or door that is being closed. When the door or cover is opened, the leaf ...

  • Page 123

    Phaser 6280 color laser printer service manual 2-61 theory of operation main drive assembly the main drive transmits power for black and white, full color, and simplex modes as shown in the following diagrams. Main drive assembly (black and white mode) s6280-103 sub motor black and white mode main m...

  • Page 124

    2-62 phaser 6280 color laser printer service manual theory of operation main drive assembly (black and white - moving parts) s6280-104 [ belt ] black and white mode [ deve magnet roller (k) ] deve idle gear (k) auger gear (k) auger gear (k) [ supply gear (k) ] [ admix gear (k) ] drum gear (k) [ drum...

  • Page 125

    Phaser 6280 color laser printer service manual 2-63 theory of operation main drive assembly (full color mode) k mode switching solenoid s6280-105 full color mode [ name of moving parts ] main drive assembly main motor sub motor gear x1 gear x1 (k) gear x1 (c) gear x1 (m) gear x1 (y) gear t1 gear d7 ...

  • Page 126

    2-64 phaser 6280 color laser printer service manual theory of operation main drive assembly (color - moving parts) s6280-106 main motor sub motor drum gear (c) mag roller gear (c) deve idle gear (c) auger gear (c) gear d2 gear k3 cam c flange d3 gear d3 in gear d3 out drum gear (y) magnet roller gea...

  • Page 127

    Phaser 6280 color laser printer service manual 2-65 theory of operation simplex mode process s6280-107 simplex mode main drive assembly sub motor exit clutch assembly exit idler gear 6 exit idler gear 6 exit idler gear 5 exit idler gear 4 exit idler gear 3 exit idler gear 2 heat roller idler gear du...

  • Page 128

    2-66 phaser 6280 color laser printer service manual theory of operation front view s6280-108 simplex mode fuser exit idle gear 6 duplex idle gear 1 duplex idle gear 2 duplex gear 25z duplex gear 21z 25z duplex idler gear 21z duplex clutch duplex module front heat roller gear exit clutch assembly sub...

  • Page 129

    Phaser 6280 color laser printer service manual 2-67 theory of operation dispenser assembly (c) (m) (y) (k) the dispenser drives the agitator and the auger in the print cartridge as shown in the following diagram. The operation is common among the dispensers c, m, y, and k. Cru assembly process s6280...

  • Page 130

    2-68 phaser 6280 color laser printer service manual theory of operation front view s6280-110 front agitator gear 2 [rear agitator assembly] agitator gear 2 [front agitator assembly] [name of moving parts] dispenser assembly (c) (m) (y) (k) cleaning paddle gear [cleaning paddle] dispenser input gear ...

  • Page 131

    Phaser 6280 color laser printer service manual 2-69 theory of operation paper handling drive assembly the paper handling (ph) drive assembly transmits drive energy as shown in the following diagram. Paper handling process s6280-111 [name of moving parts] ph drive assembly ph motor tray 1 (mpt) feed ...

  • Page 132

    2-70 phaser 6280 color laser printer service manual theory of operation front view s6280-112 [name of moving parts] ph registration clutch assembly [rubber registration roller] rubber registration gear metal registration gear [metal registration roller] feed clutch assembly ph motor nudger roller ge...

  • Page 133

    Phaser 6280 color laser printer service manual 2-71 theory of operation duplex drive the following diagram provides the process flow of the duplex drive. Duplex mode process s6280-113 duplex mode duplex module duplex drive assembly duplex gear 40z [duplex roller 2] [duplex belt] [duplex roller 1] du...

  • Page 134

    2-72 phaser 6280 color laser printer service manual theory of operation front view duplex mode s6280-114 [ name of moving parts ] fuser exit idle gear 6 exit idle gear 6 exit gear paper main drive assembly [ exit roller assembly ] exit clutch assembly exit idle gear 6 exit idle gear 4 exit idle gear...

  • Page 135

    Phaser 6280 color laser printer service manual 2-73 theory of operation optional 550-sheet feeder drive the following diagram provides the process flow of the optional 550-sheet feeder drive. Optional 550-sheet feeder process s6280-115 optional feeder drive assembly optional turn clutch [turn roller...

  • Page 136

    2-74 phaser 6280 color laser printer service manual theory of operation s6280-116 optional feeder drive optional turn clutch [turn roller] [name of moving parts] feed clutch front nudger roller gear [550 tray feed roller] oneway nudger clutch [550 tray feed roller] nudger idler gear.

  • Page 137: In This Chapter...

    3 chapter error messages and codes in this chapter... ■ introduction ■ servicing instructions ■ messages, chain link codes, and procedures ■ jam error procedures ■ consumable/routine maintenance procedures ■ tray and paper errors ■ configuration, memory, and firmware errors.

  • Page 138: Introduction

    3-2 phaser 6280 color laser printer service manual error messages and codes introduction this chapter describes error messages and numeric codes displayed on the control panel or listed on the error history page. These error indications serve as the entry point into the troubleshooting process. Trou...

  • Page 139

    Phaser 6280 color laser printer service manual 3-3 error messages and codes the error history page contains two types of history information. System fail history system fail history contains: item number, total print count, and chain-link code. Paper jam history paper jam history contains: item no.,...

  • Page 140: Servicing Instructions

    3-4 phaser 6280 color laser printer service manual error messages and codes servicing instructions the service checklist below is an overview of the path a service technician should take when servicing the printer and printer optional equipment. Step 1: identify the problem 1. Verify the reported pr...

  • Page 141

    Phaser 6280 color laser printer service manual 3-5 error messages and codes messages, chain link codes, and procedures the error messages and chain link codes generated by the printer’s operating system are the lead-in to the troubleshooting procedures that follow in subsequent pages. This section c...

  • Page 142

    3-6 phaser 6280 color laser printer service manual error messages and codes error message and chain link code summary the error message summary table lists possible errors, along with the corresponding code, and page reference for the corrective procedure. ■ the control panel message column shows th...

  • Page 143

    Phaser 6280 color laser printer service manual 3-7 error messages and codes 093-423 093-424 093-425 093-426 print cartridge near life (y/m/c/k) page 3-58 093-919 093-920 093-921 093-922 check print cartridge (y/m/c/k) page 3-59 093-925 print cartridge crum error (k) page 3-63 093-926 non-xerox toner...

  • Page 144

    3-8 phaser 6280 color laser printer service manual error messages and codes 024-946 077-912 insert tray 2 (tray missing) page 3-81 024-947 insert tray 3 (tray missing) page 3-83 024-958 load tray 1 (mpt) (paper size mismatch) page 3-75 024-959 load tray 2 (no suitable paper) page 3-86 024-960 load t...

  • Page 145

    Phaser 6280 color laser printer service manual 3-9 error messages and codes 042-325-00 main motor error page 3-120 042-325-01 sub motor error page 3-122 042-325-03 tray 2 (ph) motor error (print engine motor failure) page 3-124 042-325-04 optional 550 motor error (print engine motor failure) page 3-...

  • Page 146

    3-10 phaser 6280 color laser printer service manual error messages and codes 116-351 network error (on board network ethernet bist parity/ram r/w error) page 3-104 116-352 network error (on board network internal loopback error) page 3-104 116-353 hard disk error (ess hd fail) page 3-105 116-355 net...

  • Page 147: Jam Error Procedures

    Phaser 6280 color laser printer service manual 3-11 error messages and codes jam error procedures jam at tray 2 (feeder 1 jam) paper fed from tray 2 did not reach the registration sensor on time. Applicable chain link ■ chain link 071-100 : jam at tray 2 initial actions ■ try picking paper from a di...

  • Page 148

    3-12 phaser 6280 color laser printer service manual error messages and codes 5 1. Perform the registration sensor test (page 4-30): service mode > engine diag > sensor test > regi sensor . 2. Does the number on the control panel increase by 1 when the actuator of the registration sensor is activated...

  • Page 149

    Phaser 6280 color laser printer service manual 3-13 error messages and codes 13 check the right side harness for continuity. 1. Disconnect p/j25 on from the mcu board and p/j251 from the ph drive assembly. 2. Check continuity between p/j25 p/j251. Go to step 14. Replace the right side harness. 14 ch...

  • Page 150

    3-14 phaser 6280 color laser printer service manual error messages and codes jam at tray 3 (feeder 2 jam) paper fed from tray 3 did not reach the registration sensor on time. Applicable chain link ■ chain link 072-100 : jam at tray 3 initial actions ■ try picking paper from a different tray. ■ check...

  • Page 151

    Phaser 6280 color laser printer service manual 3-15 error messages and codes 5 1. Perform the registration sensor test (page 4-30): service mode > engine diag > sensor test > regi sensor . 2. Does the number on the control panel increase by 1 when the actuator of the registration sensor is activated...

  • Page 152

    3-16 phaser 6280 color laser printer service manual error messages and codes 12 1. Check the wiring harness connectors p/j422 and p/j4222 between the tray 3 feeder board and the tray 3 feeder drive. 2. Are the connectors securely connected? Go to step 13. Reconnect the connectors. 13 check the c2 mo...

  • Page 153

    Phaser 6280 color laser printer service manual 3-17 error messages and codes 19 1. Perform the tray 3 feed clutch test (page 4-55): service mode > engine diag > motor test > tray 3 feed clutch . 2. Does the clutch operate properly? Go to step 27. Go to step 20. 20 1. Check the wiring harness connect...

  • Page 154

    3-18 phaser 6280 color laser printer service manual error messages and codes 26 check the optional feeder board signal. 1. Disconnect p/j28 on the mcu board. 2. Is there 24 v across ground j28-b4/j28-b5 pin when the interlock switch is activated? Replace the tray 3 feeder assembly (page 8-107). Repl...

  • Page 155

    Phaser 6280 color laser printer service manual 3-19 error messages and codes 33 check the right side harness for continuity. 1. Disconnect p/j281 from the feeder harness and p/j28 from the mcu board. 2. Check continuity between p/j281 p/j28. Go to step 34. Replace the right side harness. 34 check th...

  • Page 156

    3-20 phaser 6280 color laser printer service manual error messages and codes jam at tray 1 (mpt) paper fed from tray 1 (mpt) did not reach the registration sensor on time. Applicable chain link ■ chain link 075-100 : jam at tray 1 initial actions ■ try picking paper from a different tray. ■ check th...

  • Page 157

    Phaser 6280 color laser printer service manual 3-21 error messages and codes 5 1. Perform the registration sensor test (page 4-30): service mode > engine diag > sensor test > regi sensor . 2. Does the number on the control panel increase by 1 every time the actuator of the registration sensor is act...

  • Page 158

    3-22 phaser 6280 color laser printer service manual error messages and codes 12 1. Check the wiring harness connectors p/j29 and p/j234 between the mcu board and the tray 1 feed solenoid. 2. Are the connectors securely connected? Go to step 13. Reconnect the connectors. 13 check the right side harne...

  • Page 159

    Phaser 6280 color laser printer service manual 3-23 error messages and codes 19 1. Perform the tray 2 motor test (page 4-43): service mode > engine diag > motor test > tray 2 motor . 2. Does the motor operate properly? Go to step 23. Go to step 20. 20 1. Check the wiring harness connectors p/j25 and...

  • Page 160

    3-24 phaser 6280 color laser printer service manual error messages and codes jam at registration roll the exit sensor does not turn on or the registration sensor does not turn off after a paper is detected by the registration sensor. Warning the fuser may be hot. Turn the printer power off and allow...

  • Page 161

    Phaser 6280 color laser printer service manual 3-25 error messages and codes troubleshooting reference table applicable parts wiring and plug/jack map references ■ feeder assy., pl3.2.1 ■ actuator b, pl3.2.15 ■ regi clutch, pl3.2.23 ■ registration sensor, pl3.2.30 ■ regi sensor harness, pl3.2.37 ■ m...

  • Page 162

    3-26 phaser 6280 color laser printer service manual error messages and codes 7 check the registration sensor harness for continuity. 1. Disconnect p/j292 from the right side harness and p/j2922 from the regi sensor. 2. Check continuity between p/j292 p/j2922. Go to step 8. Replace the registration s...

  • Page 163

    Phaser 6280 color laser printer service manual 3-27 error messages and codes jam at exit 1/exit 2 the exit sensor does not turn off or the exit sensor detects turn off too early after a paper is detected by the exit sensor. Warning the fuser may be hot. Turn the printer power off and allow at least ...

  • Page 164

    3-28 phaser 6280 color laser printer service manual error messages and codes troubleshooting reference table applicable parts wiring and plug/jack map references ■ feeder assy., pl3.2.1 ■ actuator b, pl3.2.15 ■ regi clutch, pl3.2.23 ■ registration sensor, pl3.2.30 ■ regi sensor harness, pl3.2.37 ■ f...

  • Page 165

    Phaser 6280 color laser printer service manual 3-29 error messages and codes 7 check the exit sensor signal. 1. Measure the voltage across ground j17-3 pin on the mcu board. 2. Does the voltage change when the actuator of the exit sensor is activated? Replace the mcu board (page 8-86). Replace the f...

  • Page 166

    3-30 phaser 6280 color laser printer service manual error messages and codes jam at duplex the registration sensor detects turn on too early or does not turn on after a paper is detected by the duplex jam sensor. Applicable chain link ■ chain link 077-104 : iot duplex1 jam ■ chain link 077-107 : iot...

  • Page 167

    Phaser 6280 color laser printer service manual 3-31 error messages and codes 3 1. Perform the duplex clutch test (page 4-57): service mode > engine diag > motor test > duplex clutch . 2. Does the duplex clutch operate properly? Go to step 4. Go to step 11. 4 1. Perform the duplex motor test (page 4-...

  • Page 168

    3-32 phaser 6280 color laser printer service manual error messages and codes 11 1. Check the wiring harness connector p/j431 between the duplex clutch and duplex board. 2. Is p/j431 securely connected? Go to step 12. Reconnect p/ j431 connector. 12 check the duplex clutch signal. 1. Disconnect p/j43...

  • Page 169

    Phaser 6280 color laser printer service manual 3-33 error messages and codes 18 check the right side harness for continuity. 1. Disconnect p/j29 from the mcu board and p/j292 from the regi sensor harness. 2. Check continuity between p/j29 p/j2922. Go to step 19. Replace the right side harness. 19 ch...

  • Page 170

    3-34 phaser 6280 color laser printer service manual error messages and codes 25 check the duplex unit for continuity. 1. Disconnect p/j27 from the mcu board. 2. Is there +3.3 v across ground j27-15 pin on the mcu board? Replace the duplex unit (page 8-99). Replace the mcu board (page 8-86). 26 1. Ch...

  • Page 171

    Phaser 6280 color laser printer service manual 3-35 error messages and codes jam at duplex the duplex sensor does not turn on after switching back a paper or the duplex sensor does not turn off after a paper is detected by the duplex jam sensor. Applicable chain link ■ chain link 077-105 : iot duple...

  • Page 172

    3-36 phaser 6280 color laser printer service manual error messages and codes 3 1. Perform the duplex jam sensor test (page 4-28): service mode > engine diag > sensor test > duplex jam sensor . 2. Does the duplex jam sensor operate properly? Go to step 4. Go to step 6. 4 1. Perform the duplex clutch ...

  • Page 173

    Phaser 6280 color laser printer service manual 3-37 error messages and codes 11 check the duplex unit harness for continuity. 1. Disconnect p/j428 from the duplex board and p/j2720 from the front cover harness. 2. Check continuity between p/j428 p/j2720. Go to step 12. Replace the duplex unit (page ...

  • Page 174

    3-38 phaser 6280 color laser printer service manual error messages and codes 19 check the duplex motor for continuity. 1. Disconnect p/j429 from the duplex board. 2. Is there +24 v across ground j429-2 pin on the duplex board? Replace the duplex unit (page 8-99). Perform steps 10 through 14. Trouble...

  • Page 175

    Phaser 6280 color laser printer service manual 3-39 error messages and codes jam at registration roll/jam at exit the registration sensor indicates that paper did not reach the sensor on time or that paper remains in the registration chute. Warning the fuser may be hot. Turn the printer power off an...

  • Page 176

    3-40 phaser 6280 color laser printer service manual error messages and codes troubleshooting references table applicable parts wiring and plug/jack map references ■ feeder assembly, pl3.2.1 ■ roll regi metal, pl3.2.6 ■ roll regi rubber, pl3.2.7 ■ registration clutch, pl3.2.23 ■ registration sensor h...

  • Page 177

    Phaser 6280 color laser printer service manual 3-41 error messages and codes 7 check the fuser signal. 1. Disconnect p/j17 from the mcu board. 2. Is there +3.3 v across ground j17-1 pin? Go to step 8. Replace the mcu board (page 8-86). 8 check the exit sensor for signal. 1. Measure the voltage acros...

  • Page 178

    3-42 phaser 6280 color laser printer service manual error messages and codes 14 check the registration sensor signal. 1. Measure the voltage across ground j29-10 pin on the mcu board. 2. Does the voltage change when the actuator of the registration sensor is activated? Replace the mcu board (page 8-...

  • Page 179

    Phaser 6280 color laser printer service manual 3-43 error messages and codes 21 check the right side harness for continuity. 1. Disconnect p/j22 from the mcu board and p/j221 from the main drive assembly. 2. Check continuity between p/j22 p/j221. Go to step 22. Replace the right side harness. 22 che...

  • Page 180

    3-44 phaser 6280 color laser printer service manual error messages and codes 28 1. Check the wiring harness connectors p/j23 and p/j231 between the mcu board and the registration clutch. 2. Are the connectors securely connected? Go to step 29. Reconnect the connectors. 29 check the right side harnes...

  • Page 181

    Phaser 6280 color laser printer service manual 3-45 error messages and codes jam at tray 2 (feed jam) paper fed from tray 2 did not reach the registration sensor on time. Applicable chain link ■ chain link 077-903 : jam at tray 2 initial actions ■ ensure that tray 1 (mpt) is attached to the printer....

  • Page 182

    3-46 phaser 6280 color laser printer service manual error messages and codes 3 1. Check the wiring harness connectors p/j29, p/j292, and p/ j2922 between the mcu board and the registration sensor. 2. Are the connectors securely connected? Go to step 4. Reconnect the connectors. 4 check the regi sens...

  • Page 183

    Phaser 6280 color laser printer service manual 3-47 error messages and codes jam at duplexer the duplex jam sensor indicates the paper did not reach the sensor on time or that paper remains in the chute assembly out. Applicable chain link ■ chain link 077-907 : iot remain duplex jam initial actions ...

  • Page 184

    3-48 phaser 6280 color laser printer service manual error messages and codes 4 1. Check the duplex gate chute for correct installation. 2. Reseat the duplex gate chute (page 8-64). 3. Does the error still occur? Go to step 5. Replace the duplex gate chute (page 8-64). 5 1. Check the exit out chute f...

  • Page 185

    Phaser 6280 color laser printer service manual 3-49 error messages and codes 11 check the duplex board signal. 1. Disconnect p/j27 from the mcu board. 2. Is there +3.3 v across ground j27-15 pin? Go to step 12. Replace the mcu board (page 8-86). 12 1. Replace the duplex unit (page 8-99). 2. Does the...

  • Page 186

    3-50 phaser 6280 color laser printer service manual error messages and codes 20 1. Check the wiring harness connectors p/j25 and p/j251 between the ph drive assembly and the mcu board. 2. Are the connectors securely connected? Go to step 21. Reconnect the connectors. 21 check the right side harness ...

  • Page 187

    Phaser 6280 color laser printer service manual 3-51 error messages and codes consumable/routine maintenance procedures insert fuser the printer does not detect the presence of the fuser. Warning the fuser may be hot. Turn the printer power off and allow at least 5 minutes for the fuser to cool befor...

  • Page 188

    3-52 phaser 6280 color laser printer service manual error messages and codes 4 check the fuser harness for continuity. 1. Disconnect p/j17 from the mcu board and p/j171 from the fuser. 2. Check continuity between p/j17 p/ j171. Go to step 5. Replace the fuser harness. 5 1. Replace the fuser (page 8-...

  • Page 189

    Phaser 6280 color laser printer service manual 3-53 error messages and codes replace fuser the fuser has reached its end of life. Warning the fuser may be hot. Turn the printer power off and allow at least 5 minutes for the fuser to cool before removing the fuser. Applicable chain link ■ chain link ...

  • Page 190

    3-54 phaser 6280 color laser printer service manual error messages and codes fuser crum id error the fuser crum id error is detected. The fuser crum id read by the sensor is different from the one that was recorded. Warning the fuser may be hot. Turn the printer power off and allow at least 5 minute...

  • Page 191

    Phaser 6280 color laser printer service manual 3-55 error messages and codes fuser error the fuser temperature regulation has failed. The nc sensor circuit in the mcu is defective. Warning the fuser may be hot. Turn the printer power off and allow at least 5 minutes for the fuser to cool before remo...

  • Page 192

    3-56 phaser 6280 color laser printer service manual error messages and codes 5 check the top lv harness for continuity. 1. Disconnect p/j 47 and p/j501 from the lvps. 2. Disconnect p/j13 from the mcu board. 3. Check continuity between: ■ p/j47 p/j171 ■ p/j501 p/j13 go to step 6. Replace the top lv h...

  • Page 193

    Phaser 6280 color laser printer service manual 3-57 error messages and codes ready fuser life the fuser has reached its end of life. Warning the fuser may be hot. Turn the printer power off and allow at least 5 minutes for the fuser to cool before removing the fuser. Applicable chain link ■ chain li...

  • Page 194

    3-58 phaser 6280 color laser printer service manual error messages and codes print cartridge near life (yellow/magenta/cyan/black) the print cartridge (yellow/magenta,/cyan/black) is near or has reached its end of life. Applicable chain links ■ chain link 093-423 : yellow print cartridge near life ■...

  • Page 195

    Phaser 6280 color laser printer service manual 3-59 error messages and codes check cartridge (yellow/magenta/cyan/black) the print cartridge (yellow/magenta/cyan/black) tape was not removed when a new print cartridge is installed. Applicable chain links ■ chain link 093-919 : iot yellow cartridge ta...

  • Page 196

    3-60 phaser 6280 color laser printer service manual error messages and codes 4 perform the toner motor test: service mode > engine diag > motor test > toner motor . While testing the toner motor, close the interlock harness. ■ yellow toner motor (page 4-47) ■ magenta toner motor (page 4-49) ■ cyan t...

  • Page 197

    Phaser 6280 color laser printer service manual 3-61 error messages and codes replace print cartridge (yellow/magenta/cyan/black) the print cartridge (yellow/magenta,/cyan/black) has reached its end of life. Applicable chain links ■ chain link 093-930 : iot yellow cartridge life over ■ chain link 093...

  • Page 198

    3-62 phaser 6280 color laser printer service manual error messages and codes empty print cartridge (yellow/magenta/cyan/black) the print cartridge has reached its end of life. Applicable chain link ■ chain link 093-935 : iot yellow cartridge life over detect by counter ■ chain link 093-936 : iot mag...

  • Page 199

    Phaser 6280 color laser printer service manual 3-63 error messages and codes print cartridge crum error (yellow/magenta/cyan/black) the print cartridge crum communication is detected. Applicable chain link ■ chain link 093-950 : yellow cru crum error ■ chain link 093-951 : magenta cru crum error ■ c...

  • Page 200

    3-64 phaser 6280 color laser printer service manual error messages and codes 4 1. Check the wiring harness connectors between the crum connector and the mcu board. ■ yellow: p/j31 and p/j311 ■ magenta: p/j31 and p/j312 ■ cyan: p/j31 and p/j313 ■ black: p/j31 and p/j314 2. Are the connectors securely...

  • Page 201

    Phaser 6280 color laser printer service manual 3-65 error messages and codes check cartridge (yellow/magenta/cyan/black) the print cartridge (yellow/magenta/cyan/black) cover was not removed when a new print cartridge is installed. Applicable chain links ■ chain link 093-955 : iot yellow cartridge c...

  • Page 202

    3-66 phaser 6280 color laser printer service manual error messages and codes print cartridge crum id error (yellow/magenta/cyan/black) the print cartridge crum id error indicates that a non-xerox print cartridge is installed. Applicable chain link ■ chain link 093-960 : non-xerox toner, invalid yell...

  • Page 203

    Phaser 6280 color laser printer service manual 3-67 error messages and codes insert print cartridge (yellow/cyan/magenta/black) the printer does not detect the print cartridge. Applicable chain links ■ chain link 093-970 : insert yellow cartridge ■ chain link 093-971 : insert magenta cartridge ■ cha...

  • Page 204

    3-68 phaser 6280 color laser printer service manual error messages and codes 4 1. Perform the cru sensor test: service mode > engine diag > sensor test > cru sensor . ■ yellow cru sensor (page 4-32) ■ magenta cru sensor (page 4-33) ■ black cru sensor (page 4-34) ■ cyan cru sensor (page 4-35) 2. Does...

  • Page 205

    Phaser 6280 color laser printer service manual 3-69 error messages and codes 9 1. Check the print cartridge sensor for operation. Measure the voltage across: ■ ground p/j19-3 pin (yellow) ■ ground p/j19-6 pin (magenta) ■ ground p/j19-9 pin (black) ■ ground p/j19-12 pin (cyan) 2. Does the voltage cha...

  • Page 206

    3-70 phaser 6280 color laser printer service manual error messages and codes insert transfer unit the printer does not detect the transfer unit. Applicable chain link ■ chain link 094-910 : insert transfer unit initial actions ■ remove and reseat the transfer unit. ■ cycle printer power. ■ if the pr...

  • Page 207

    Phaser 6280 color laser printer service manual 3-71 error messages and codes 5 check the front cover harness for continuity. 1. Disconnect p/j272 from the right side harness and p/j2721 from the transfer unit. 2. Check continuity between p/j272 p/ j2721. Go to step 6. Replace the front cover harness...

  • Page 208

    3-72 phaser 6280 color laser printer service manual error messages and codes replace transfer unit the transfer unit has reached its end of life. Applicable chain link ■ chain link 094-011 : iot transfer unit life over initial actions ■ check the transfer unit life using centreware is. ■ cycle print...

  • Page 209

    Phaser 6280 color laser printer service manual 3-73 error messages and codes transfer unit crum error the transfer unit crum id error is detected. Applicable chain link ■ chain link 094-330 : iot crum id error initial actions ■ ensure the transfer unit is installed correctly. ■ cycle printer power. ...

  • Page 210

    3-74 phaser 6280 color laser printer service manual error messages and codes ready transfer unit life the transfer unit is near or has reached its end of life. Applicable chain link ■ chain link 094-422 : iot transfer unit life pre warning initial action ■ check the transfer unit life using centrewa...

  • Page 211: Tray and Paper Errors

    Phaser 6280 color laser printer service manual 3-75 error messages and codes tray and paper errors load tray 1 (mpt) (paper size mismatch) the paper size mismatch is detected in tray 1 (mpt). Applicable chain link ■ chain link 024-958 : iot paper size mismatch initial actions ■ inspect the tray to e...

  • Page 212

    3-76 phaser 6280 color laser printer service manual error messages and codes 4 1. Perform the registration sensor test (page 4-30): service mode > engine diag > sensor test > regi sensor . 2. Does the number on the control panel increase by 1 when the actuator of the registration sensor is activated...

  • Page 213

    Phaser 6280 color laser printer service manual 3-77 error messages and codes load tray 2 (paper mismatch) the paper size mismatch is detected in tray 2. Applicable chain link ■ chain link 024-910 : iot paper size mismatch initial actions ■ inspect the tray to ensure that it is free of obstructions, ...

  • Page 214

    3-78 phaser 6280 color laser printer service manual error messages and codes 6 1. Perform the tray 2 paper size test (page 4-39): service mode > engine diag > sensor test > tray 2 paper size. 2. Does the size switch operate properly? Go to step 7. Replace the tray 2 size switch (page 8-69). 7 1. Che...

  • Page 215

    Phaser 6280 color laser printer service manual 3-79 error messages and codes load tray 3 (paper mismatch) the paper size mismatch is detected in tray 3. Applicable chain link ■ chain link 024-911 : iot paper size mismatch initial actions ■ inspect the tray to ensure that it is free of obstructions, ...

  • Page 216

    3-80 phaser 6280 color laser printer service manual error messages and codes 6 1. Perform the tray 3 paper size test (page 4-40): service mode > engine diag > sensor test > tray 3 paper size. 2. Does the size switch operate properly? Go to step 7. Replace the tray 3 size switch (page 8-106). 7 1. Ch...

  • Page 217

    Phaser 6280 color laser printer service manual 3-81 error messages and codes insert tray 2 (tray missing) the tray 2 size switch indicates that tray 2 is not installed. Applicable chain link ■ chain link 024-946 : tray detached ■ chain link 077-912 : upper cassette detached initial actions ■ remove ...

  • Page 218

    3-82 phaser 6280 color laser printer service manual error messages and codes 5 1. Replace the tray 2 size switch assembly (page 8-69). 2. Does the error still occur? Replace the mcu board (page 8-86). Complete. Troubleshooting procedure table (continued) step actions and questions yes no.

  • Page 219

    Phaser 6280 color laser printer service manual 3-83 error messages and codes insert tray 3 (tray 3 missing) the tray 3 size switch indicates that tray 3 is not installed. Applicable chain link ■ chain link 024-947 : tray detached initial actions ■ remove the tray and inspect the tray cavity to ensur...

  • Page 220

    3-84 phaser 6280 color laser printer service manual error messages and codes load tray 1 (mpt) (no suitable paper) the type or size of paper mismatched or tray 1 (mpt) is empty. Applicable chain link ■ chain link 024-963 : no suitable paper initial actions ■ inspect the tray to ensure that it is fre...

  • Page 221

    Phaser 6280 color laser printer service manual 3-85 error messages and codes 4 1. Check the tray 1 (mpt) actuator. 2. Does the actuator operate smoothly? Go to step 5. Replace the tray 1 (mpt) no paper actuator (page 8-28). 5 1. Perform the tray 1 (mpt) no paper test (page 4-37): service mode > engi...

  • Page 222

    3-86 phaser 6280 color laser printer service manual error messages and codes load tray 2 (no suitable paper) the type or size of paper mismatched or tray 2 is empty. Applicable chain link ■ chain link 024-959 : no suitable paper initial actions ■ inspect the tray to ensure that it is free of obstruc...

  • Page 223

    Phaser 6280 color laser printer service manual 3-87 error messages and codes 5 1. Check the no paper actuator. 2. Does the actuator operate smoothly? Go to step 6. Replace the feeder assembly (page 8-36). 6 1. Perform the tray 2 no paper test (page 4-38): service mode > engine diag > sensor test > t...

  • Page 224

    3-88 phaser 6280 color laser printer service manual error messages and codes load tray 3 (no suitable paper) the type or size of paper mismatched or tray 3 is empty. Applicable chain link ■ chain link 024-960 : load tray 3 initial actions ■ inspect the tray to ensure that it is free of obstructions,...

  • Page 225

    Phaser 6280 color laser printer service manual 3-89 error messages and codes 4 1. Reseat tray 3. 2. Does the error still occur? Go to step 5. Complete. 5 1. Check the no paper actuator. 2. Does the actuator operate smoothly? Go to step 6. Replace the tray 3 feeder assembly (page 8-107). 6 1. Perform...

  • Page 226

    3-90 phaser 6280 color laser printer service manual error messages and codes 12 1. Replace the tray 3 feeder assembly (page 8-107). 2. Does the error still occur? Complete. Replace the mcu board (page 8-86). 13 1. Check the wiring harness connectors p/j419, p/j281, and p/ j28. 2. Are the connectors ...

  • Page 227

    Phaser 6280 color laser printer service manual 3-91 error messages and codes open door a transparency set has occurred. Applicable chain link ■ chain link 077-906 : iot transparency set error initial actions ■ inspect the tray to ensure that it is free of obstructions, is loaded with supported paper...

  • Page 228

    3-92 phaser 6280 color laser printer service manual error messages and codes multiple feed multiple sheets of paper are fed concurrently. Initial actions ■ inspect the tray to ensure that it is free of obstructions, is loaded with supported paper, and the guides are adjusted correctly. ■ cycle print...

  • Page 229

    Phaser 6280 color laser printer service manual 3-93 error messages and codes 3 1. Check the paper. Replace the paper. 2. Does multiple feed still occur? Replace the feeder assembly. ■ tray 1/2 (page 8-36) ■ tray 3 (page 8-107) complete. Troubleshooting procedure table (continued) step actions and qu...

  • Page 230

    3-94 phaser 6280 color laser printer service manual error messages and codes configuration, memory, and firmware errors download error an error occurred because an invalid firmware was installed. Applicable chain link ■ chain link 016-500 : erase flash error (download delete error) ■ chain link 016-...

  • Page 231

    Phaser 6280 color laser printer service manual 3-95 error messages and codes control panel language set unsupported the control panel does not support the language. Applicable chain link ■ chain link 016-610 : panel language set unsupported initial actions ■ cycle printer power. ■ if the problem per...

  • Page 232

    3-96 phaser 6280 color laser printer service manual error messages and codes mac address error mac address error occurs. Applicable chain link ■ chain link 016-612 : mac address error initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooting refere...

  • Page 233

    Phaser 6280 color laser printer service manual 3-97 error messages and codes out of memory the printer memory is full and cannot continue to print. Print job requires additional memory. Applicable chain link ■ chain link 016-718 : memory overflow initial actions ■ cycle printer power. ■ if the probl...

  • Page 234

    3-98 phaser 6280 color laser printer service manual error messages and codes pdl error error relating to printer command language (pcl) has occurred. The print data cannot be processed by pdl. Applicable chain link ■ chain link 016-720 : pdl error initial actions ■ cycle printer power. ■ if the prob...

  • Page 235

    Phaser 6280 color laser printer service manual 3-99 error messages and codes collate full exceeds memory capacity. Applicable chain link ■ chain link 016-721 : collate full initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooting reference table a...

  • Page 236

    3-100 phaser 6280 color laser printer service manual error messages and codes download error download error has occurred because an invalid firmware was installed, the header information, checksum, or the write destination is invalid, or protecting the flash. Applicable chain link ■ chain link 016-7...

  • Page 237

    Phaser 6280 color laser printer service manual 3-101 error messages and codes auditron error an error has occurred because the user’s account settings did not match with administration’s information, a user with only black and white mode print attempted to print in color mode, or the user attempted ...

  • Page 238

    3-102 phaser 6280 color laser printer service manual error messages and codes invalid job error occurs when the configuration of the printer for paper size/type does not match the printer driver. Applicable chain link ■ chain link 016-799 : invalid job (job environment violation) initial actions ■ c...

  • Page 239

    Phaser 6280 color laser printer service manual 3-103 error messages and codes disk full ram disk memory or hard disk drive if full and cannot continue processing the current print job. Applicable chain link ■ chain link 016-982 : disk full initial actions ■ cycle printer power. ■ if the problem pers...

  • Page 240

    3-104 phaser 6280 color laser printer service manual error messages and codes network error failure occurred on the image processor board. Applicable chain link ■ chain link 116-350 : network error (on board network communication fail) ■ chain link 116-351 : network error (on board network ethernet ...

  • Page 241

    Phaser 6280 color laser printer service manual 3-105 error messages and codes hard disk error hard disk error has occurred. Applicable chain link ■ chain link 116-333 : pci option #0 fail ■ chain link 116-353 : ess hd fail initial actions ■ cycle printer power. ■ if the problem persists, follow the ...

  • Page 242

    3-106 phaser 6280 color laser printer service manual error messages and codes mcu firmware error the mcu board detects a firmware error. Applicable chain link ■ chain link 024-340 : iot firmware error code: xx ■ 01-02, 04-05, 0b-14 : unexpected firmware trapl ■ 03 : ic2 retry error ■ 06 : not used ■...

  • Page 243

    Phaser 6280 color laser printer service manual 3-107 error messages and codes 2 1. Check the following wiring harness connectors. ■ p/j16 and p/j28 on the mcu board ■ p/j144 on the eeprom board 2. Are the connectors securely connected? Go to step 3. Reconnect the connectors. Go to step 2. 3 does the...

  • Page 244

    3-108 phaser 6280 color laser printer service manual error messages and codes mcu communication error communication fails between iot and ess. Applicable chain link ■ chain link 024-371 : iot ess communication fail initial actions ■ cycle printer power. ■ if the problem persists, follow the procedur...

  • Page 245

    Phaser 6280 color laser printer service manual 3-109 error messages and codes mcu nvram error engine nvram is corrupted, detected by mcu nvram check. Applicable chain link ■ chain link 041-340 : iot nvram error initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure be...

  • Page 246

    3-110 phaser 6280 color laser printer service manual error messages and codes 6 check the right side harness for continuity. 1. Disconnect p/j28 from the mcu board and p/j144 from the eeprom board. 2. Check continuity between p/j28 p/j144. Go to step 7. Replace the right side harness. 7 check the ee...

  • Page 247

    Phaser 6280 color laser printer service manual 3-111 error messages and codes fan motor error (rear) the mcu has detected an error upon receiving signal from the rear fan. Applicable chain link ■ chain link 042-358-01 : iot fan motor failure initial actions ■ cycle printer power. ■ if the problem pe...

  • Page 248

    3-112 phaser 6280 color laser printer service manual error messages and codes 5 check the top lv harness for continuity. 1. Disconnect p/j501 from the lvps and p/j13 from the mcu board. 2. Check continuity between p/j501 p/j13. Go to step 6. Replace the top lv harness. 6 check the lvps signal. 1. Di...

  • Page 249

    Phaser 6280 color laser printer service manual 3-113 error messages and codes 14 check the right side harness for continuity. 1. Disconnect p/j27 from the mcu board and p/j272 from the front cover harness. 2. Check continuity between p/j27 and p/j272. Go to step 15. Replace the right side harness. 1...

  • Page 250

    3-114 phaser 6280 color laser printer service manual error messages and codes fan motor error (duplexer) the mcu has detected an error upon receiving signal from the duplex fan. Applicable chain link ■ chain link 042-358-02 : iot fan motor failure initial actions ■ cycle printer power. ■ if the prob...

  • Page 251

    Phaser 6280 color laser printer service manual 3-115 error messages and codes 5 1. Check the wiring harness connectors p/j428, p/j2720, p/ j272, and p/j27 between the mcu board and duplex board. 2. Are the connectors securely connected? Go to step 6. Reconnect the connectors. 6 check the duplex unit...

  • Page 252

    3-116 phaser 6280 color laser printer service manual error messages and codes 14 check the top lv harness for continuity. 1. Disconnect p/j501 from the lvps and p/j13 from the mcu board. 2. Check continuity between p/j501 p/j13. Go to step 15. Replace the top lv harness. 15 check the lvps signal. 1....

  • Page 253

    Phaser 6280 color laser printer service manual 3-117 error messages and codes deve mode error the deve mode (k mode) change failure has been detected. Applicable chain link ■ chain link 042-372 : iot deve mode change failure initial actions ■ cycle printer power. ■ if the problem persists, follow th...

  • Page 254

    3-118 phaser 6280 color laser printer service manual error messages and codes 5 check the regi clutch sensor harness for continuity. 1. Disconnect p/j20 from the mcu board and p/j201 from the k mode sensor. 2. Check continuity between p/j20 p/j201. Go to step 6. Replace the k drive assembly (page 8-...

  • Page 255

    Phaser 6280 color laser printer service manual 3-119 error messages and codes over heat the temperature sensor has detected high temperature. Applicable chain link ■ chain link 042-700 : iot over heat stop ■ chain link 142-700 : iot over heat forced half speed initial actions ■ cycle printer power. ...

  • Page 256

    3-120 phaser 6280 color laser printer service manual error messages and codes main motor error the main motor has failed. Applicable chain link ■ chain link 042-325-01 : iot motor failure initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooting re...

  • Page 257

    Phaser 6280 color laser printer service manual 3-121 error messages and codes 4 1. Check the wiring harness connectors p/j22 and p/j222 between the mcu board and the main drive assembly. 2. Are the connectors securely connected? Go to step 6. Reconnect the connectors. Go to step 5. 5 does the error ...

  • Page 258

    3-122 phaser 6280 color laser printer service manual error messages and codes sub motor error the sub motor has failed. Applicable chain link ■ chain link 042-325-01 : iot motor failure initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooting refe...

  • Page 259

    Phaser 6280 color laser printer service manual 3-123 error messages and codes 5 1. Perform the sub motor test (page 4-42): service mode > engine diag > motor test > sub motor . During the test, close the front cover. 2. Does the motor operate properly? Replace the mcu board (page 8-86). Go to step 6...

  • Page 260

    3-124 phaser 6280 color laser printer service manual error messages and codes tray 2 (ph) motor error the tray 2 motor has failed. Applicable chain link ■ chain link 042-325-03 : iot motor failure initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troublesh...

  • Page 261

    Phaser 6280 color laser printer service manual 3-125 error messages and codes 4 1. Perform the tray 2 motor test (page 4-43): service mode > engine diag > motor test > tray 2 motor . During the test, close the front cover. 2. Does the motor operate properly? Replace the mcu board (page 8-86). Go to ...

  • Page 262

    3-126 phaser 6280 color laser printer service manual error messages and codes optional feeder motor error the optional feeder motor has failed. Applicable chain link ■ chain link 042-325-04 : iot motor failure initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure bel...

  • Page 263

    Phaser 6280 color laser printer service manual 3-127 error messages and codes 5 1. Check the wiring harness connectors p/j422, p/j4221, and p/ j4222 between the tray 3 feeder board and the tray 3 feeder drive assembly. 2. Are the connectors securely connected? Go to step 6. Reconnect the connectors....

  • Page 264

    3-128 phaser 6280 color laser printer service manual error messages and codes 13 check the right side harness for continuity. 1. Disconnect p/j281 from the feeder harness and p/j28 from the mcu board. 2. Check continuity between p/j281 p/j28. Go to step 14. Replace the right side harness. 14 check t...

  • Page 265

    Phaser 6280 color laser printer service manual 3-129 error messages and codes laser error an error was detected in the laser unit. Applicable chain link ■ chain link 061-370 : iot ros failure initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshootin...

  • Page 266

    3-130 phaser 6280 color laser printer service manual error messages and codes optional 550-sheet feeder error the optional 550-sheet feeder has failed. Applicable chain link ■ chain link 072-215 : iot option feeder failure initial actions ■ cycle printer power. ■ if the problem persists, follow the ...

  • Page 267

    Phaser 6280 color laser printer service manual 3-131 error messages and codes 6 check the right side harness for continuity. 1. Disconnect p/j28 from the mcu board and p/j281 from the feeder harness. 2. Check continuity between p/j28 p/j281. To go step 7. Replace the right side harness. 7 1. Replace...

  • Page 268

    3-132 phaser 6280 color laser printer service manual error messages and codes duplex error the duplex unit has failed. Applicable chain link ■ chain link 077-215 : duplexer error initial actions ■ inspect the duplex to ensure that it is free of obstructions. ■ cycle printer power. ■ if the problem p...

  • Page 269

    Phaser 6280 color laser printer service manual 3-133 error messages and codes 6 check the front cover harness for continuity. 1. Disconnect p/j272 from the right side harness and p/j272 from the duplex unit harness. 2. Check continuity between p/j272 p/j2720. Go to step 7. Replace the front cover ha...

  • Page 270

    3-134 phaser 6280 color laser printer service manual error messages and codes door a open the front cover is open. Applicable chain link ■ chain link 077-300 : iot front cover open initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooting reference...

  • Page 271

    Phaser 6280 color laser printer service manual 3-135 error messages and codes adc sensor error (high density) the adc sensor has detected high density error. Applicable chain link ■ chain link 092-651 : iot adc sensor error initial actions ■ ensure the transfer unit and surrounding area is free of w...

  • Page 272

    3-136 phaser 6280 color laser printer service manual error messages and codes 5 check the solenoid in the transfer unit for operation. 1. Perform the adc sensor solenoid test (page 4-58): service mode > engine diag > motor test > adc (ctd) sensor solenoid . 2. Perform the adc sensor led test (page 4...

  • Page 273

    Phaser 6280 color laser printer service manual 3-137 error messages and codes 13 1. Check the print cartridges for correct installation. 2. Are the print cartridges correctly installed? Go to step 15. Reseat the print cartridge(s) (page 8-10). Go to step 14. 14 does the error still occur? Go to step...

  • Page 274

    3-138 phaser 6280 color laser printer service manual error messages and codes 20 check the adc sensor signal. 1. Disconnect p/j27 from the mcu board. 2. Is there +5 v across ground j27-7 pin? Replace the transfer unit (page 8-8). Replace the mcu board (page 8-86). 21 1. Replace the corresponding pri...

  • Page 275

    Phaser 6280 color laser printer service manual 3-139 error messages and codes adc sensor error (low density) the adc sensor has detected low density error. Applicable chain link ■ chain link 092-651 : iot adc sensor error initial actions ■ ensure the transfer unit and surrounding area is free of was...

  • Page 276

    3-140 phaser 6280 color laser printer service manual error messages and codes 6 1. Check the toner density. Perform gradation test print (page 5-13): service mode > test print > gradation ess . 2. Compare the density of four colors toner. Is there dark color on the print? Go to step 7. Replace the m...

  • Page 277

    Phaser 6280 color laser printer service manual 3-141 error messages and codes 13 1. Check the detailed error code on the control panel (press the up and down buttons simultaneously). 2. Does code “01” display on the control panel? Go to step 14. Go to step 1. 14 1. Check the transfer unit for correc...

  • Page 278

    3-142 phaser 6280 color laser printer service manual error messages and codes 20 check the right side harness for continuity. 1. Disconnect p/j27 from the mcu board and p/j272 from the front cover harness. 2. Check continuity between p/j27 p/j272. Go to step 21. Replace the right side harness. 21 ch...

  • Page 279

    Phaser 6280 color laser printer service manual 3-143 error messages and codes environmental (humidity) sensor error the environmental sensor has detected temperature error. Applicable chain link ■ chain link 092-661 : iot environmental sensor error initial actions ■ cycle printer power. ■ if the pro...

  • Page 280

    3-144 phaser 6280 color laser printer service manual error messages and codes 5 check the humidity sensor signal. 1. Disconnect p/j26 from the mcu board. 2. Is there +5 v across ground j26-4? Replace the humidity sensor (page 8-85). Replace the mcu board (page 8-86). Troubleshooting procedure table ...

  • Page 281

    Phaser 6280 color laser printer service manual 3-145 error messages and codes controller system error the printer controller has detected error. Note for chain link 116-324: this error has occurred due to an optional 256 mb memory card is installed. Data is corrupted due to that it was stored/ acces...

  • Page 282

    3-146 phaser 6280 color laser printer service manual error messages and codes 2 1. Check the memory card in the optional memory slot (page 8-91). 2. Is there a 256 mb memory card installed? Remove the optional 256 mb memory card (page 8-91). Go to step 3. 3 1. Check the image processor board for cor...

  • Page 283

    Phaser 6280 color laser printer service manual 3-147 error messages and codes ram error the printer controller has detected ram error. Applicable chain link ■ chain link 116-316 : ess dim slot ram w/r check fail ■ chain link 116-320 : ess dimm slot ram error initial actions ■ cycle printer power. ■ ...

  • Page 284

    3-148 phaser 6280 color laser printer service manual error messages and codes nvram error when the printer is turned on, the error is detected between the nvram size required by the system and its actual size. Applicable chain link ■ chain link 116-390 : ess nvram1 size and id check fail initial act...

  • Page 285

    Phaser 6280 color laser printer service manual 3-149 error messages and codes macphy chip test error macphy chip test error occurs. Applicable chain link ■ chain link 116-392 : macphy chip test error (diag mode) initial actions ■ cycle printer power. ■ if the problem persists, follow the procedure b...

  • Page 286

    3-150 phaser 6280 color laser printer service manual error messages and codes macphy internal loop test error macphy internal loop test error occurs. Applicable chain link ■ chain link 116-393 : macphy int loop test error (diag mode) initial actions ■ cycle printer power. ■ if the problem persists, ...

  • Page 287

    Phaser 6280 color laser printer service manual 3-151 error messages and codes macphy external loop test error macphy external loop test error occurs. Applicable chain link ■ chain link 116-394 : macphy ext loop test error (diag mode) initial actions ■ cycle printer power. ■ if the problem persists, ...

  • Page 288

    3-152 phaser 6280 color laser printer service manual error messages and codes.

  • Page 289: In This Chapter...

    4 chapter general troubleshooting in this chapter... ■ introduction ■ system startup ■ power on self test (post) ■ service diagnostics ■ service diagnostics menu map ■ printer components ■ duplex components ■ service diagnostics tests ■ control panel troubleshooting ■ inoperable printer troubleshoot...

  • Page 290: Introduction

    4-2 phaser 6280 color laser printer service manual general troubleshooting introduction this chapter covers the system startup, power on self test (post), service diagnostics, and troubleshooting problems that are not associated with a chain link code or control panel error message. For troubleshoot...

  • Page 291: Power On Self Test (Post)

    Phaser 6280 color laser printer service manual 4-3 general troubleshooting power on self test (post) post diagnostics provide a quick mean of isolating a defective subsystem associated with the image processor board and sdram. Post returns control to the boot loader and the operating system is loade...

  • Page 292

    4-4 phaser 6280 color laser printer service manual general troubleshooting iot 024-371 this test performs communication test with the engine. This test also checks for communication failure between the engine and controller. Post test description (continued) test chain link description.

  • Page 293: Service Diagnostics

    Phaser 6280 color laser printer service manual 4-5 general troubleshooting service diagnostics the phaser 6280 color laser printer has built-in diagnostics that allow access to sensors, clutches, solenoids, printer status, turning the motors on and off, and some nvram access. Using these tests, serv...

  • Page 294

    4-6 phaser 6280 color laser printer service manual general troubleshooting service diagnostics menu map menu map - page 1 engine diag print info ess diag power saver on/off ok exit service mode all test coderom test eeprom test dram test mac+phy test asic test panel test engine test hd test info pag...

  • Page 295

    Phaser 6280 color laser printer service manual 4-7 general troubleshooting menu map - page 2 test print parameter parameter (cont.) no image iot pattern iot grid 2 ess cyan 20% ess magenta 20% ess yellow 20% ess black 20% ess cmy 20% ess gradation ess toner pallet check contamination check exit mode...

  • Page 296: Printer Components

    4-8 phaser 6280 color laser printer service manual general troubleshooting printer components motors, clutches, solenoids, lamps s6280-118 black toner motor black erase lamp yellow, magenta, cyan erase lamps yellow toner motor magenta toner motor cyan toner motor mpt feed solenoid exit clutch sub mo...

  • Page 297

    Phaser 6280 color laser printer service manual 4-9 general troubleshooting sensors s6280-119 black toner cartridge sensor cyan toner cartridge sensor magenta toner cartridge sensor k mode sensor yellow toner cartridge sensor tray 2 paper size switch tray 3 paper size switch front cover interlock swi...

  • Page 298: Duplex Components

    4-10 phaser 6280 color laser printer service manual general troubleshooting duplex components clutch, fan, motor, sensor s6280-120 duplex fan duplex clutch duplex motor duplex jam sensor.

  • Page 299: Service Diagnostics Tests

    Phaser 6280 color laser printer service manual 4-11 general troubleshooting service diagnostics tests service diagnostic tests and utilities service diagnostic test table test control panel display test description ess diag tests memory devices on the controller. All test all test ■ start ■ processi...

  • Page 300

    4-12 phaser 6280 color laser printer service manual general troubleshooting left displays left on the lcd. Right displays right on the lcd. Ok displays set on the lcd. Menu displays menu on the lcd. Cancel displays cancel job on the lcd. Power saver displays power saver on the lcd. Engine test engin...

  • Page 301

    Phaser 6280 color laser printer service manual 4-13 general troubleshooting cru sensor (y) cru sensor y ■ off ■ h - 0 ■ l - 0 tests the yellow print cartridge sensor. Cru sensor (m) cru sensor m ■ off ■ h - 0 ■ l - 0 tests the magenta print cartridge sensor. Cru sensor (k) cru sensor k ■ off ■ h - 0...

  • Page 302

    4-14 phaser 6280 color laser printer service manual general troubleshooting sub motor alarm sub motor alarm ■ h - 0 ■ l - 0 tests sub motor alarm. Ohp sensor ohp sensor ■ l - 0 ■ h - 0 tests the ohp sensor. Fan alarm fan alarm ■ off ■ l - 0 ■ h - 0 tests fan alarm. Tray 2 motor alarm ph motor alarm ...

  • Page 303

    Phaser 6280 color laser printer service manual 4-15 general troubleshooting tray 3 feed motor (full2) tray 3 feed motor (full2) tests the tray 3 feed motor. Tray 3 feed motor (half) tray 3 feed motor (half) fan (high) fan (high) tests the printer fan. Fan (low) fan (low) yellow toner motor yellow to...

  • Page 304

    4-16 phaser 6280 color laser printer service manual general troubleshooting k mode clutch on k mode clutch on tests the k mode clutch. Nvm settings up or down button to move from one item to another> cancel button to move one level up the menu> set button to move to the execution level> edits, saves...

  • Page 305

    Phaser 6280 color laser printer service manual 4-17 general troubleshooting initialize slave initialize slave ■ initialize slave ok? ■ processing ■ initialized ■ please wait set button to run slave initialization> cancel button to move one level up the menu> initializes slave. Print nvm info print n...

  • Page 306

    4-18 phaser 6280 color laser printer service manual general troubleshooting print settings print settings ■ ready ■ processing prints the configured settings through the control panel. The print settings page contains: ■ serial no. ■ hexdump on/off information ■ tone correction on/off information ■ ...

  • Page 307

    Phaser 6280 color laser printer service manual 4-19 general troubleshooting tone correction tone correction ■ on * ■ off up or down button to switch tone correction on/off> set button to save the setting and move one level up the menu> cancel button to move one level up the menu without saving the v...

  • Page 308

    4-20 phaser 6280 color laser printer service manual general troubleshooting print counter print counter ■ color print ■ n ■ b/w print ■ n ■ total print ■ n ■ color backup ■ n ■ b/w backup ■ n ■ total backup ■ n ■ color error ■ n ■ b/w error ■ n menu buttons up or down button to move from one item to...

  • Page 309

    Phaser 6280 color laser printer service manual 4-21 general troubleshooting clear all nvm clear all nvm ■ ok? ■ processing ■ initialized cancel button to move one level up the menu> set button to run the test> clears all nvram of the controller including billing. Clear job history clear jobhistory ■...

  • Page 310

    4-22 phaser 6280 color laser printer service manual general troubleshooting no image iot no image iot ■ ready ■ processing prints a blank page. Pattern iot pattern iot ■ ready ■ processing prints the printer built-in test pattern 600 dpi. This test checks the print function of the printer. Grid 2 es...

  • Page 311

    Phaser 6280 color laser printer service manual 4-23 general troubleshooting menu buttons up or down button to move from one item to another or change the value> cancel button to move to one/two level(s) up the menu without saving the value> set button to run the test or the value in nvm and move one...

  • Page 312

    4-24 phaser 6280 color laser printer service manual general troubleshooting fast scan ktoy fast scan ktoy ■ -30 * ■ : ■ 30 * fast scan ktoc fast scan ktoc ■ -30 * ■ : ■ 30 * fast scan tray 1 (mpt) fast scan mpt ■ -30 * ■ : ■ 30 * fast scan tray 2 fast scan tray 2 ■ -30 * ■ : ■ 30 * fast scan tray 3 ...

  • Page 313

    Phaser 6280 color laser printer service manual 4-25 general troubleshooting life dtb feed life dtb feed ■ 0 reads life counter of the belt page count. Life dtb lac life dtb lac ■ 0 reads life counter of the direct belt transfer. This parameter counts the number of toner output mode. Life fuser life ...

  • Page 314

    4-26 phaser 6280 color laser printer service manual general troubleshooting life tray 2 feed life tray2 feed ■ 0 reads life counter of the tray 2 feed. Life tray 3 feed life tray3 feed ■ 0 reads life counter of the tray 3 feed. Life duplex feed life duplex feed ■ 0 reads life counter of the duplex f...

  • Page 315

    Phaser 6280 color laser printer service manual 4-27 general troubleshooting sensor tests k mode sensor caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Perform the k mode sensor test: engine ...

  • Page 316

    4-28 phaser 6280 color laser printer service manual general troubleshooting duplex jam sensor caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer uni...

  • Page 317

    Phaser 6280 color laser printer service manual 4-29 general troubleshooting exit sensor warning ensure to wait for the fuser to cool down before starting the procedure. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer unit (page 8-8). 4. Perform the du...

  • Page 318

    4-30 phaser 6280 color laser printer service manual general troubleshooting regi sensor 1. Enter the service diagnostic menu (page 4-5). 2. Remove tray 2. 3. Perform the regi sensor test: engine diag > sensor test > regi sensor . 4. Insert one sheet of paper in between the registration chute and the...

  • Page 319

    Phaser 6280 color laser printer service manual 4-31 general troubleshooting interlock switch caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer unit...

  • Page 320

    4-32 phaser 6280 color laser printer service manual general troubleshooting cru sensor y (yellow toner cartridge sensor) caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover....

  • Page 321

    Phaser 6280 color laser printer service manual 4-33 general troubleshooting cru sensor m (magenta toner cartridge sensor) caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover...

  • Page 322

    4-34 phaser 6280 color laser printer service manual general troubleshooting cru sensor k (black toner cartridge sensor) caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. ...

  • Page 323

    Phaser 6280 color laser printer service manual 4-35 general troubleshooting cru sensor c (cyan toner cartridge sensor) caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3...

  • Page 324

    4-36 phaser 6280 color laser printer service manual general troubleshooting tray 3 no paper note the tray 3 no paper sensor is located in the optional 550-sheet feeder. 1. Enter the service diagnostic menu (page 4-5). 2. Perform the tray 3 no paper test: engine diag > sensor test > tray 3 no paper ....

  • Page 325

    Phaser 6280 color laser printer service manual 4-37 general troubleshooting tray 1 (mpt) no paper note ensure to remove paper from the tray 1 (mpt) prior performing the test. 1. Enter the service diagnostic menu (page 4-5). 2. Perform the mpt no paper test: engine diag > sensor test > mpt no paper ....

  • Page 326

    4-38 phaser 6280 color laser printer service manual general troubleshooting tray 2 no paper 1. Enter the service diagnostic menu (page 4-5). 2. Perform the tray 2 no paper test: engine diag > sensor test > tray 2 no paper . 3. Remove tray 2. 4. Move the actuator up and down while checking the inform...

  • Page 327

    Phaser 6280 color laser printer service manual 4-39 general troubleshooting tray 2 paper size 1. Enter the service diagnostic menu (page 4-5). 2. Perform the tray 2 paper size test: engine diag > sensor test > tray2 paper size . 3. The paper size information is displayed on the control panel. 4. Rem...

  • Page 328

    4-40 phaser 6280 color laser printer service manual general troubleshooting tray 3 paper size 1. Enter the service diagnostic menu (page 4-5). 2. Perform the tray 3 paper size test: engine diag > sensor test > tray3 paper size . 3. The paper size information is displayed on the control panel. 4. Rem...

  • Page 329

    Phaser 6280 color laser printer service manual 4-41 general troubleshooting motor tests main motor (full2/half) caution the main motor is in the main drive assembly. When performing this procedure, remove and cover the print cartridges to avoid exposure to light. Note the rotational speed of the mai...

  • Page 330

    4-42 phaser 6280 color laser printer service manual general troubleshooting sub motor (full2/half) caution the sub motor is located in the main drive assembly. When performing this procedure, remove and cover the print cartridges to avoid exposure to light. Note the rotational speed of the sub motor...

  • Page 331

    Phaser 6280 color laser printer service manual 4-43 general troubleshooting tray 2 motor (full2/half) caution the tray 2 motor is located in the main drive assembly. When performing this procedure, remove and cover the print cartridges to avoid exposure to light. Note the rotational speed of the tra...

  • Page 332

    4-44 phaser 6280 color laser printer service manual general troubleshooting duplex motor (high/half) caution the duplex motor is located in the duplex unit. When performing this procedure, remove and cover the print cartridges to avoid exposure to light. Note the rotational speed of the duplex motor...

  • Page 333

    Phaser 6280 color laser printer service manual 4-45 general troubleshooting tray 3 feed motor (full2/half) note the rotational speed of the motor is as follow: half 1. Enter the service diagnostic menu (page 4-5). 2. Remove tray 3. 3. Remove the tray 3 left cover (page 8-101). 4. Perform the tray 3 ...

  • Page 334

    4-46 phaser 6280 color laser printer service manual general troubleshooting fan (high/low) note the rotational speed of the motor is as follow: low 1. Enter the service diagnostic menu (page 4-5). 2. Perform the fan (high/low) test: engine diag > motor test > fan (high/low) . 3. Verify that the fan ...

  • Page 335

    Phaser 6280 color laser printer service manual 4-47 general troubleshooting yellow toner motor caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer un...

  • Page 336

    4-48 phaser 6280 color laser printer service manual general troubleshooting magenta toner motor caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer u...

  • Page 337

    Phaser 6280 color laser printer service manual 4-49 general troubleshooting cyan toner motor caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer unit...

  • Page 338

    4-50 phaser 6280 color laser printer service manual general troubleshooting black toner motor caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer uni...

  • Page 339

    Phaser 6280 color laser printer service manual 4-51 general troubleshooting regi clutch caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer unit (pag...

  • Page 340

    4-52 phaser 6280 color laser printer service manual general troubleshooting tray 1 (mpt) turn clutch 1. Enter the service diagnostic menu (page 4-5). 2. Remove tray 2. 3. Perform the tray 2 motor (full2) test: engine diag > motor test > tray 2 motor (full2) . 4. While the tray 2 motor is running, pr...

  • Page 341

    Phaser 6280 color laser printer service manual 4-53 general troubleshooting tray 1 (mpt) feed solenoid 1. Enter the service diagnostic menu (page 4-5). 2. Remove tray 2. 3. Perform the tray 2 motor (full2) test: engine diag > motor test > tray 2 motor (full2) . 4. While the tray 2 motor is running, ...

  • Page 342

    4-54 phaser 6280 color laser printer service manual general troubleshooting tray 2 feed clutch 1. Enter the service diagnostic menu (page 4-5). 2. Remove tray 2. 3. Perform the tray 2 feed motor (full2) test: engine diag > motor test > tray 2 motor (full2) . 4. While the tray 2 motor is running, pre...

  • Page 343

    Phaser 6280 color laser printer service manual 4-55 general troubleshooting tray 3 feed clutch 1. Enter the service diagnostic menu (page 4-5). 2. Remove tray 3. 3. Perform the tray 3 feed motor (full2) test: engine diag > motor test > tray 3 feed motor (full2) . 4. While the tray 3 feed motor is ru...

  • Page 344

    4-56 phaser 6280 color laser printer service manual general troubleshooting tray 3 turn clutch 1. Enter the service diagnostic menu (page 4-5). 2. Remove tray 3. 3. Perform the tray 3 feed motor (full2) test: engine diag > motor test > tray 3 feed motor (full2) . 4. While the tray 3 feed motor is ru...

  • Page 345

    Phaser 6280 color laser printer service manual 4-57 general troubleshooting duplex clutch caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer unit (p...

  • Page 346

    4-58 phaser 6280 color laser printer service manual general troubleshooting adc (ctd) sensor solenoid caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the prin...

  • Page 347

    Phaser 6280 color laser printer service manual 4-59 general troubleshooting adc (ctd) sensor led caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the print car...

  • Page 348

    4-60 phaser 6280 color laser printer service manual general troubleshooting drum erase lamp (k) caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the print cart...

  • Page 349

    Phaser 6280 color laser printer service manual 4-61 general troubleshooting drum erase lamp (y/m/c) caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the print ...

  • Page 350

    4-62 phaser 6280 color laser printer service manual general troubleshooting exit clutch 1. Enter the service diagnostic menu (page 4-5). 2. Run the exit clutch test: engine diag > motor test > exit clutch . 3. Verify that the exit roller is not rotating. 4. Press the cancel button to stop the test. ...

  • Page 351

    Phaser 6280 color laser printer service manual 4-63 general troubleshooting duplex fan caution when performing this procedure, remove and cover the print cartridges to avoid exposure to light. 1. Enter the service diagnostic menu (page 4-5). 2. Open the front cover. 3. Remove the transfer unit (page...

  • Page 352

    4-64 phaser 6280 color laser printer service manual general troubleshooting k mode solenoid note when performing the operation for 5 minutes or longer with the front door open, ensure to remove and cover the print cartridges to avoid exposure to light. 1. Open the front cover. 2. Remove the rear cov...

  • Page 353

    Phaser 6280 color laser printer service manual 4-65 general troubleshooting control panel troubleshooting printer does not come to a “ready” state 1. Remove and reseat the image processor board (page 8-87). 2. Refer to “dc power supply troubleshooting” on page 4-71. 3. Replace the control panel (pag...

  • Page 354: Engine Test Print

    4-66 phaser 6280 color laser printer service manual general troubleshooting engine test print this test isolates printer hardware problems to either the engine control board or image processor board. Troubleshooting reference table applicable parts wiring and plug/jack map references ■ image process...

  • Page 355

    Phaser 6280 color laser printer service manual 4-67 general troubleshooting inoperable printer troubleshooting engine power-up sequence 1. Machine control unit (mcu) board logic check 2. Print cartridge (missing, nvram (crum) error, crum id, life over) 3. Fuser (missing, nvram (crum) error, life ove...

  • Page 356

    4-68 phaser 6280 color laser printer service manual general troubleshooting printer continually displays insert print cartridge initial actions ■ check the print cartridge life using centreware is. ■ cycle printer power. ■ if problem persists, follow the procedure below. Troubleshooting reference ta...

  • Page 357

    Phaser 6280 color laser printer service manual 4-69 general troubleshooting 7 check the toner sensor harness for continuity. 1. Disconnect p/j harnesses from the mcu board and the print cartridge sensor. ■ yellow: p/j19 and p/j191 ■ magenta: p/j19 and p/j192 ■ black: p/j19 and p/j193 ■ cyan: p/j19 a...

  • Page 358

    4-70 phaser 6280 color laser printer service manual general troubleshooting ac power supply troubleshooting troubleshooting reference table applicable parts wiring and plug/jack references ■ lvps, pl9.1.4 ■ “map 4 - lvps and mcu boards” on page 10-12 ■ “dc power supply” on page 10-21 troubleshooting...

  • Page 359

    Phaser 6280 color laser printer service manual 4-71 general troubleshooting dc power supply troubleshooting lvps overcurrent protection circuit this circuit stops all outputs if any of the low voltage power supply voltages 3.3 vdc, 5 vdc, or 24 vdc are shorted. The circuit is reset when the short is...

  • Page 360

    4-72 phaser 6280 color laser printer service manual general troubleshooting 4 1. Turn the ac power switch off. 2. Connect j501 to the lvps then turn the ac power switch on. 3. Check continuity between p501-3 pin p501-4 pin? 4. Is there 3.3 v present? Go to step 7. Go to step 5. 5 check the following...

  • Page 361: +24 Vdc Interlock Switch

    Phaser 6280 color laser printer service manual 4-73 general troubleshooting +24 vdc interlock switch troubleshooting reference table applicable parts wiring and plug/jack map references ■ interlock harness, pl9.1.3 ■ lvps, pl9.1.4 ■ top lv harness, pl10.1.16 ■ “map 4 - lvps and mcu boards” on page 1...

  • Page 362

    4-74 phaser 6280 color laser printer service manual general troubleshooting abnormal and electrical noise abnormal noise when power is turned on warning ensure to wait for the fuser to cool down before starting the procedure. Troubleshooting reference table applicable parts wiring and plug/jack map ...

  • Page 363

    Phaser 6280 color laser printer service manual 4-75 general troubleshooting 5 1. Check the main drive assembly for correct installation. Reseat the main drive assembly (page 8-70). 2. Perform the main motor test (page 4-41): service mode > engine diag > motor test > main motor . 3. Does the noise co...

  • Page 364

    4-76 phaser 6280 color laser printer service manual general troubleshooting 11 1. Check the ph drive assembly for correct installation. Reseat the ph drive assembly (page 8-73). 2. Perform the tray 2 motor test (page 4-43): service mode > engine diag > motor test > tray 2 motor. 3. Does the noise co...

  • Page 365

    Phaser 6280 color laser printer service manual 4-77 general troubleshooting abnormal noise during printing troubleshooting reference table applicable parts wiring and plug/jack map references ■ retard (separator) roll, pl2.1.7 ■ retard roll, pl2.2.17 ■ mpt feed roll, pl3.1.10 ■ feed roll, pl3.2.53 ■...

  • Page 366

    4-78 phaser 6280 color laser printer service manual general troubleshooting 4 1. Check the paper condition. 2. Replace the paper. 3. Does the noise still come from the printer? Replace the following parts: ■ tray 2 retard roll (page 8-29) ■ tray 2 feed roll (page 8-47) ■ tray 2 feeder assembly (page...

  • Page 367

    Phaser 6280 color laser printer service manual 4-79 general troubleshooting 14 1. Perform the sub motor test (page 4-42): service mode > engine diag > motor test > sub motor . 2. Does the noise come from the motor? Replace the main drive assembly (page 8-70). Go to step 15. 15 1. Perform the tray 2 ...

  • Page 368

    4-80 phaser 6280 color laser printer service manual general troubleshooting electrical noise there is a variable pitch sound coming from the printer. Electrical noise can be either noise in the electrical lines or static in electromagnetic communications. Initial actions ■ cycle printer power. ■ if ...

  • Page 369

    Phaser 6280 color laser printer service manual 4-81 general troubleshooting ac noise there is high pitch sound coming from the printer. Troubleshooting reference table applicable parts wiring and plug/jack map references ■ lvps, pl9.1.4 troubleshooting procedure table step actions and questions yes ...

  • Page 370

    4-82 phaser 6280 color laser printer service manual general troubleshooting 8 1. Turn the printer power off. 2. Check the main switch connector. Reconnect the main switch connector. 3. Disconnect the power cord and wait for one minute. 4. Reconnect the power cord. 5. Turn the printer power on. 6. Is...

  • Page 371

    Phaser 6280 color laser printer service manual 4-83 general troubleshooting operating system and application problems windows 2000, windows xp, windows server troubleshooting note for window xp, select classic look or the windows xp procedures will not match the following procedures. To select class...

  • Page 372

    4-84 phaser 6280 color laser printer service manual general troubleshooting 8. Click the ports tab. Verify that the ip address in the print to the following ports list is identical to the one on the configuration page. You may need to click the configure port button to see the ip address. If necessa...

  • Page 373

    Phaser 6280 color laser printer service manual 4-85 general troubleshooting unix / linux this section includes: ■ quick install steps ■ additional resources your printer supports connection to a variety of unix platforms through the parallel and network interface. The workstations currently supporte...

  • Page 374

    4-86 phaser 6280 color laser printer service manual general troubleshooting c. Type xpadmin to open the admin tool for creating print queues. Select the printer from the list of discovered printers you want to print to. Click on the printer icon at the top left of the screen to add a print queue. 5....

  • Page 375: In This Chapter...

    5 chapter print-quality troubleshooting in this chapter... ■ print-quality problems overview ■ checklist before troubleshooting print-quality ■ test prints ■ print-quality specifications ■ print-quality troubleshooting.

  • Page 376

    5-2 phaser 6280 color laser printer service manual print-quality troubleshooting print-quality problems overview print-quality defects can be attributed to printer components, consumables, media, internal software, external software applications, and environmental conditions. To successfully trouble...

  • Page 377

    Phaser 6280 color laser printer service manual 5-3 print-quality troubleshooting transfer unit ■ light or undertone print ■ horizontal band, voids, or streaks ■ vertical stripes ■ horizontal stripes ■ partial band ■ random spots ■ repeating bands, lines, marks, or spots ■ background contamination fu...

  • Page 378

    5-4 phaser 6280 color laser printer service manual print-quality troubleshooting checklist before troubleshooting print-quality checking the printer condition toner low toner can cause print-quality problems, such as fading, streaking, white lines, or dropouts. Print a small document from different ...

  • Page 379

    Phaser 6280 color laser printer service manual 5-5 print-quality troubleshooting checklist check the following items prior to performing troubleshooting. These procedures may help to resolve the problems without troubleshooting the printer. 1. Color is out of alignment. Note after installing a new b...

  • Page 380

    5-6 phaser 6280 color laser printer service manual print-quality troubleshooting 2. Print is too light. A. The toner may be too low. Check the amount of toner and change the print cartridges if necessary. B. In the printer printing preferences menu, advanced > details > draft mode , verify off is se...

  • Page 381

    Phaser 6280 color laser printer service manual 5-7 print-quality troubleshooting 4. Toner spots appear on the page and printing is blurred. A. Check the print cartridge(s) to make sure that it is installed correctly. B. Change the print cartridge(s). 5. Entire page is white or one color is missing f...

  • Page 382

    5-8 phaser 6280 color laser printer service manual print-quality troubleshooting 7. Characters have jagged or uneven edges. A. If you are using downloaded fonts, verify that the fonts are supported by the printer, the host computer, and the software application. 8. Part or all the page prints in cya...

  • Page 383: Test Prints

    Phaser 6280 color laser printer service manual 5-9 print-quality troubleshooting test prints this section provides information for how to analyze test prints. A variety of test prints are available for determining the quality of output from the printer and to assist in troubleshooting the problems. ...

  • Page 384

    5-10 phaser 6280 color laser printer service manual print-quality troubleshooting pattern iot this test print provides the printer’s built-in test pattern. This test is used to identify problems with the printer function or the image processor board. The colors should be aligned vertically and horiz...

  • Page 385

    Phaser 6280 color laser printer service manual 5-11 print-quality troubleshooting cyan 20% ess this test print provides 20% cyan density on the whole page. This test is used to identify problems with cyan toner or another color toner. Compare the print with the following chart to determine the probl...

  • Page 386

    5-12 phaser 6280 color laser printer service manual print-quality troubleshooting yellow 20% ess this test print provides 20% yellow density on the whole page. This test is used to identify problems with yellow toner or another color toner. Compare the print with the following chart to determine the...

  • Page 387

    Phaser 6280 color laser printer service manual 5-13 print-quality troubleshooting cmy 20% ess this test print provides 20% density for combination of cyan, magenta, and yellow on the whole page. This test is used to identify problems with balance of three color toners or another toner. Compare the p...

  • Page 388

    5-14 phaser 6280 color laser printer service manual print-quality troubleshooting toner pallet check this test print provides 100% density color pattern of y/m/c/k on the whole page. This test is used to identify problems with balance of the toner. Compare the print with the following chart to deter...

  • Page 389

    Phaser 6280 color laser printer service manual 5-15 print-quality troubleshooting contamination check this test print provides prints that can be checked for any regular lines or toner spots when encountering print-quality problems. From the difference in the interval of regular lines or spots, you ...

  • Page 390

    5-16 phaser 6280 color laser printer service manual print-quality troubleshooting page 5 s6280-285.

  • Page 391: Print-Quality Specifications

    Phaser 6280 color laser printer service manual 5-17 print-quality troubleshooting print-quality specifications the print-quality specifications are provided as follows. Environmental condition ■ temperature: 10° c - 32° c ■ humidity: 15% rh - 85% rh (85% rh at 28° c) note defects may occur due to co...

  • Page 392

    5-18 phaser 6280 color laser printer service manual print-quality troubleshooting specifications the following charts provide specifications for skew, parallelism, linearity, perpendicularity, magnification error, registration, and guaranteed and maximum print areas. Skew ■ 190 mm ± 1.2 mm to measur...

  • Page 393

    Phaser 6280 color laser printer service manual 5-19 print-quality troubleshooting parallelism ■ horizontal: 179.8 mm ± 1.2 mm ■ vertical: 234 mm ± 1.2 mm linearity ■ horizontal: 190 mm ± 0.5 mm ■ vertical: 234 mm ± 0.5 mm ■ slant: 269 mm ± 1.2 mm parallelism 234 mm 179.8 mm i k c parallelism (within...

  • Page 394

    5-20 phaser 6280 color laser printer service manual print-quality troubleshooting perpendicularity ■ 114.5 mm ± 0.8 mm magnification error ■ horizontal simplex: 190 mm ± 0.5% ■ horizontal duplex:190 mm ± 0.8% ■ vertical simplex: 234 mm ± 0.5% ■ vertical duplex: 234 mm ± 0.8% lead edge assumed perfec...

  • Page 395

    Phaser 6280 color laser printer service manual 5-21 print-quality troubleshooting registration ■ leading edge: 10.0 mm ± 2.0 mm ■ side edge: 8.5 mm ± 2.5 mm guaranteed and maximum print areas ■ maximum print area: 210.9 mm x 351.6 mm ■ guaranteed print area: 207.9 mm x 347.6 mm registration = measur...

  • Page 396

    5-22 phaser 6280 color laser printer service manual print-quality troubleshooting print-quality troubleshooting print-quality defect definitions the following table lists the print-quality defect corrective procedure, their definition, and the page where each procedure is provided. Defect definition...

  • Page 397

    Phaser 6280 color laser printer service manual 5-23 print-quality troubleshooting repeating defect measurement when horizontal lines and/or spot occur periodically, it is possibly caused by the trouble of particular roller. Measure the trouble interval on the test print, and check the relation to th...

  • Page 398

    5-24 phaser 6280 color laser printer service manual print-quality troubleshooting light or undertone print the overall image density is too light in all colors. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Troubleshooting reference table applica...

  • Page 399

    Phaser 6280 color laser printer service manual 5-25 print-quality troubleshooting 4 1. Check the transfer unit for correct installation. Reseat the transfer unit (page 8-8). 2. Does the image quality improve? Complete. Go to step 5. 5 1. Check the laser beam path. 2. Are there any debris between the...

  • Page 400

    5-26 phaser 6280 color laser printer service manual print-quality troubleshooting blank print (no print) the entire image area is blank. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Troubleshooting reference table applicable parts example print ...

  • Page 401

    Phaser 6280 color laser printer service manual 5-27 print-quality troubleshooting 5 1. Check the laser beam path. 2. Are there any debris between the laser unit and transfer unit? Remove the debris. Go to step 6. 6 1. Check the wiring harness connectors p/j12 and p/j151 between the laser unit and th...

  • Page 402

    5-28 phaser 6280 color laser printer service manual print-quality troubleshooting black print the entire image is black. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Troubleshooting reference table applicable parts example print ■ laser unit, pl...

  • Page 403

    Phaser 6280 color laser printer service manual 5-29 print-quality troubleshooting 5 1. Check the wiring harness connectors p/j12 and p/j151 between the laser unit and the mcu board. 2. Are the connectors securely connected? Go to step 6. Reconnect the connectors. Go to step 6. 6 1. Check the print c...

  • Page 404

    5-30 phaser 6280 color laser printer service manual print-quality troubleshooting vertical blank lines there are faded or completely non-printed lines along the page in the direction of the paper travel from the leading edge to the trailing edge. Initial actions ■ check the paper transfer path. ■ en...

  • Page 405

    Phaser 6280 color laser printer service manual 5-31 print-quality troubleshooting 5 1. Check the transfer unit for correct installation. Reseat the transfer unit (page 8-8). 2. Does the image quality improve? Complete. Go to step 6. 6 1. Check for debris in the laser beam path between the laser unit...

  • Page 406

    5-32 phaser 6280 color laser printer service manual print-quality troubleshooting horizontal band, voids, or streaks there are areas of the image that are extremely light or are missing entirely. These missing areas form wide bands which cover a wide area horizontally, perpendicular to the paper fee...

  • Page 407

    Phaser 6280 color laser printer service manual 5-33 print-quality troubleshooting 5 1. Check the transfer unit for correct installation. Reseat the transfer unit (page 8-8). 2. Does the image quality improve? Complete. Go to step 6. 6 1. Check for debris in the laser beam path between the laser unit...

  • Page 408

    5-34 phaser 6280 color laser printer service manual print-quality troubleshooting vertical stripes there are black lines along the page in the direction of the paper travel from the leading edge to the trailing edge. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on th...

  • Page 409

    Phaser 6280 color laser printer service manual 5-35 print-quality troubleshooting 4 1. Check the transfer unit for correct installation. Reseat the transfer unit (page 8-8). 2. Does the image quality improve? Complete. Go to step 5. 5 1. Check the fuser assembly for correct installation. Reseat the ...

  • Page 410

    5-36 phaser 6280 color laser printer service manual print-quality troubleshooting horizontal stripes there are black lines running parallel with the leading edge of the print, perpendicular to the direction of the paper travel. Initial actions ■ check the paper transfer path. ■ ensure there are no d...

  • Page 411

    Phaser 6280 color laser printer service manual 5-37 print-quality troubleshooting 4 1. Check the transfer unit for correct installation. Reseat the transfer unit (page 8-8). 2. Does the image quality improve? Complete. Go to step 5. 5 1. Check the fuser assembly for correct installation. Reseat the ...

  • Page 412

    5-38 phaser 6280 color laser printer service manual print-quality troubleshooting 14 1. Replace the laser unit (page 8-50). 2. Does the image quality improve? Complete. Replace the image processor board (page 8-87). If not, replace the mcu board (page 8-86). Troubleshooting procedure table (continue...

  • Page 413

    Phaser 6280 color laser printer service manual 5-39 print-quality troubleshooting partial band there are areas of the image that are extremely light or are missing in a limited area on the paper. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Trou...

  • Page 414

    5-40 phaser 6280 color laser printer service manual print-quality troubleshooting 4 1. Check the transfer unit. 2. Are there any damages on the transfer unit surface? Replace the transfer unit (page 8-8). Go to step 5. 5 1. Check the transfer unit for correct installation. Reseat the transfer unit (...

  • Page 415

    Phaser 6280 color laser printer service manual 5-41 print-quality troubleshooting random spots there are spots of toner randomly scattered across the page. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Warning ensure to wait for the fuser to cool...

  • Page 416

    5-42 phaser 6280 color laser printer service manual print-quality troubleshooting 4 1. Check the transfer unit for correct installation. Reseat the transfer unit (page 8-8). 2. Does the image quality improve? Complete. Go to step 5. 5 1. Check the fuser assembly for correct installation. Reseat the ...

  • Page 417

    Phaser 6280 color laser printer service manual 5-43 print-quality troubleshooting repeating bands, lines, marks, or spots there are recurring lines, marks, or spots on the page. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Warning ensure to wait...

  • Page 418

    5-44 phaser 6280 color laser printer service manual print-quality troubleshooting residual image or ghosting there are faint, ghostly images appearing on the page. The images may be either from a previous page or from the page currently being printed. Initial actions ■ check the paper transfer path....

  • Page 419

    Phaser 6280 color laser printer service manual 5-45 print-quality troubleshooting 4 1. Check the transfer unit for correct installation. Reseat the transfer unit (page 8-8). 2. Does the image quality improve? Complete. Go to step 5. 5 1. Check the print cartridge (c/m/y/k) for correct installation. ...

  • Page 420

    5-46 phaser 6280 color laser printer service manual print-quality troubleshooting background contamination there is toner contamination on all or most of the page. The contamination appears as a very light gray dusting. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on...

  • Page 421

    Phaser 6280 color laser printer service manual 5-47 print-quality troubleshooting 5 1. Check the paper path. 2. Are there any toner contaminations on the paper path? Clean the paper path. Go to step 6. 6 1. Check the wiring harness connectors p/j12 and p/j151 between the laser unit and the mcu board...

  • Page 422

    5-48 phaser 6280 color laser printer service manual print-quality troubleshooting skew the printed image is not parallel with both sides of the paper. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Troubleshooting reference table applicable notes ...

  • Page 423

    Phaser 6280 color laser printer service manual 5-49 print-quality troubleshooting 5 1. Check the skewed tray. 2. Is the skewed paper fed from tray 1 (mpt)? Go to step 6. Go to step 10. 6 1. Check the paper for correct placement. Reseat the paper. 2. Does the error still occur? Go to step 7. Complete...

  • Page 424

    5-50 phaser 6280 color laser printer service manual print-quality troubleshooting 18 1. Replace the feed roll. ■ tray 2 (page 8-47) ■ tray 3 (page 8-110) 2. Does the error still occur? Replace the retard roll. ■ tray 2 (page 8-29) ■ tray 3 (page 8-111) complete. Troubleshooting procedure table (cont...

  • Page 425

    Phaser 6280 color laser printer service manual 5-51 print-quality troubleshooting damaged paper paper comes out from the printer wrinkled, folded, or worn-out. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Warning ensure to wait for the fuser to ...

  • Page 426

    5-52 phaser 6280 color laser printer service manual print-quality troubleshooting 4 1. Check the print cartridge (c/m/y/k) for correct installation. Reseat the print cartridge (page 8-10). 2. Does the error still occur? Go to step 5. Complete. 5 1. Check the fuser assembly for correct installation. ...

  • Page 427

    Phaser 6280 color laser printer service manual 5-53 print-quality troubleshooting 18 1. Check the paper path. 2. Are there any debris on the paper path? Remove the debris. Go to step 19. 19 1. Replace the feed roll. ■ tray 2 (page 8-47) ■ tray 3 (page 8-110) 2. Does the error still occur? Replace th...

  • Page 428

    5-54 phaser 6280 color laser printer service manual print-quality troubleshooting unfused image the toner image is not completely fused to the paper. The image easily rubs off. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Warning ensure to wait ...

  • Page 429

    Phaser 6280 color laser printer service manual 5-55 print-quality troubleshooting 4 1. Replace the fuser assembly (page 8-11). 2. Does the image quality improve? Complete. Replace the mcu board (page 8-86). Troubleshooting procedure table (continued) step actions and questions yes no.

  • Page 430

    5-56 phaser 6280 color laser printer service manual print-quality troubleshooting color registration a printed yellow or black image is not overlapped on a cyan or magenta image correctly. Initial actions ■ check the paper transfer path. ■ ensure there are no debris on the transfer path. Troubleshoo...

  • Page 431

    Phaser 6280 color laser printer service manual 5-57 print-quality troubleshooting 4 1. Check the parameter value. 2. Did the client change the value of the registration parameter? Reset the value to default. Go to step 5. 5 1. Check the front cover latch. Open and close the front cover. 2. Does the ...

  • Page 432

    5-58 phaser 6280 color laser printer service manual print-quality troubleshooting.

  • Page 433: In This Chapter...

    6 chapter adjustments and calibrations in this chapter... ■ adjustments ■ calibrations ■ parameter setting.

  • Page 434: Adjustments

    6-2 phaser 6280 color laser printer service manual adjustments and calibrations adjustments color registration color registration adjustment procedure allows the user to change or correct the alignment of the four color images to meet specifications and/or user’s requirements. Note adjusting laser p...

  • Page 435

    Phaser 6280 color laser printer service manual 6-3 adjustments and calibrations enabling/disabling automatic color registration this procedure provides instructions for how to enable or disable the automatic color registration function after a new print cartridge is installed. ■ if the function is s...

  • Page 436

    6-4 phaser 6280 color laser printer service manual adjustments and calibrations manual adjustment use the adjustment information in the following table to perform color registration procedure. Caution after printing the color registration correction chart, do not turn off the printer until the print...

  • Page 437: Calibrations

    Phaser 6280 color laser printer service manual 6-5 adjustments and calibrations calibrations initializing print meter this process initializes the print meter. 1. From the control panel, press the menu button. 2. Press the up arrow or down arrow button to find admin menu . Press the ok button. 3. Pr...

  • Page 438: Parameter Setting

    6-6 phaser 6280 color laser printer service manual adjustments and calibrations parameter setting this function reads/writes the parameter values, errors, and life counter values stored in the printer. Note print the parameter list from the service mode > parameter before changing the registration v...

  • Page 439

    Phaser 6280 color laser printer service manual 6-7 adjustments and calibrations note the default values are different in each printer. Parameter setting item range description slow scan k to p -128 to 127 sets the registration in the paper feeding direction. Slow scan 600 y/m/c -30 to 30 slow scan 1...

  • Page 440

    6-8 phaser 6280 color laser printer service manual adjustments and calibrations reference counter values counter name value of life warning life y toner (dispense time) --- life m toner (dispense time) --- life c toner (dispense time) --- life k toner (dispense time) --- life dtb (transfer unit) 1 (...

  • Page 441: In This Chapter...

    7 chapter cleaning and maintenance in this chapter... ■ service maintenance procedure ■ cleaning ■ maintenance.

  • Page 442: Cleaning

    7-2 phaser 6280 color laser printer service manual cleaning and maintenance service maintenance procedure perform the following procedures whenever you check, service, or repair a printer. Cleaning the printer, as outlined in the following steps, assures proper operation of the printer and reduces t...

  • Page 443

    Phaser 6280 color laser printer service manual 7-3 cleaning and maintenance cleaning the print cartridge 1. Open the front cover. 2. Using a flash light, inspect the gaps between the print cartridges. Remove the print cartridge if necessary. Using tweezers, remove any paper debris from the area. 3. ...

  • Page 444

    7-4 phaser 6280 color laser printer service manual cleaning and maintenance cleaning the adc sensor 1. Open the front cover. 2. Remove the transfer unit (page 8-8). 3. Place the transfer unit on a flat work surface. 4. Remove 1 screw securing the adc sensor cover. 5. Slide the adc cover slightly to ...

  • Page 445

    Phaser 6280 color laser printer service manual 7-5 cleaning and maintenance 6. Use a q-tip to clean the clear adc sensor’s plastic lens. Clean the area surrounding the sensor. Be sure to clean the sensor’s cleaning brush or wiper; it is located on the inside of the adc sensor cover. 7. Clean/vacuum ...

  • Page 446: Maintenance

    7-6 phaser 6280 color laser printer service manual cleaning and maintenance maintenance rip (repair, inspect, and prevent) procedure perform these routine maintenance procedures during the course of servicing the printer. ■ clean the feed rollers, exit rollers, and guides; replace if necessary. ■ re...

  • Page 447: In This Chapter...

    8 chapter service parts disassembly in this chapter... ■ overview ■ maintenance items and consumables ■ covers ■ paper tray ■ paper feeder ■ xerographics ■ exit chute ■ frame ■ drive ■ electrical ■ duplex unit ■ optional 550-sheet feeder.

  • Page 448: Overview

    8-2 phaser 6280 color laser printer service manual service parts disassembly overview this section contains the removal procedures for field-replaceable parts of the printer listed in the parts list. In most cases, the replacement procedure is simply the reverse of the removal procedure. In some ins...

  • Page 449

    Phaser 6280 color laser printer service manual 8-3 service parts disassembly standard orientation of the printer when needed, the orientation of the printer is called out in the procedure as an aid for locating the printer parts. The following figure identifies the front, rear, left, and right sides...

  • Page 450

    8-4 phaser 6280 color laser printer service manual service parts disassembly preparation caution many parts are secured by plastic tabs. Do not over flex or force these parts. Do not over torque the screws threaded into plastic parts. Warning unplug the ac power cord from the wall outlet before remo...

  • Page 451

    Phaser 6280 color laser printer service manual 8-5 service parts disassembly 6. Remove the following maintenance items and consumables. Caution do not touch the transfer unit belt area. A. Transfer unit (page 8-8) caution do not expose the print cartridges to light for more than 5 minutes. After rem...

  • Page 452

    8-6 phaser 6280 color laser printer service manual service parts disassembly fastener types the following table lists the primary types of posi-drive screws used to assemble the printer. The procedures provide dimensional specifications for screws being removed. Posi-drive screw types used in the pr...

  • Page 453

    Phaser 6280 color laser printer service manual 8-7 service parts disassembly caution use care when installing self-tapping screws in plastic. To properly start the screw in plastic, turn the screw counter-clockwise in the hole until you feel the screw engage the threads, then tighten as usual. Failu...

  • Page 454

    8-8 phaser 6280 color laser printer service manual service parts disassembly maintenance items and consumables maintenance items include the transfer unit, fuser, and feed/retard rollers. Individual procedures for the rollers removal and replacement are provided starting on page 8-8. Consumables con...

  • Page 455

    Phaser 6280 color laser printer service manual 8-9 service parts disassembly 3. Tilt the right side of the transfer unit up toward the left side to move the notch out of the u-shape groove and slide the notch on the left side away from the hole to remove the transfer unit. Replacement note replaceme...

  • Page 456

    8-10 phaser 6280 color laser printer service manual service parts disassembly print cartridge (c/m/y/k) (pl5.1.18-21) caution do not expose the print cartridges to light for more than 5 minutes. Cover the print cartridges to avoid damage. 1. Open the front cover. 2. Hold the levers on the left and r...

  • Page 457

    Phaser 6280 color laser printer service manual 8-11 service parts disassembly fuser (pl6.1.10) warning the fuser may be hot. Turn the printer power off and allow at least 5 minutes for the fuser to cool before removing the fuser. 1. Open the front cover. 2. Open the duplex gate chute (pl6.1.13). 3. ...

  • Page 458: Covers

    8-12 phaser 6280 color laser printer service manual service parts disassembly covers rear cover (pl1.1.4) 1. Remove 4 screws (10 mm) securing the rear cover. 2. Slightly shift the rear cover downward at angle and out to remove it. S6280-172.

  • Page 459

    Phaser 6280 color laser printer service manual 8-13 service parts disassembly right side cover (pl1.1.6) 1. Remove the rear cover (page 8-12). 2. Remove 3 screws (10 mm) securing the right side cover. 3. Use a flat tip screwdriver to release the plastic tabs from the notches on the top and rear side...

  • Page 460

    8-14 phaser 6280 color laser printer service manual service parts disassembly left side cover (pl1.1.7) 1. Remove the rear cover (page 8-12). 2. Remove 3 screws (10 mm) securing the left side cover. 3. Use a flat tip screwdriver to release the plastic tabs from the notches on the top and rear sides ...

  • Page 461

    Phaser 6280 color laser printer service manual 8-15 service parts disassembly top cover (pl1.1.1) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove 5 screws (10 mm) securing the top cover. 5. Release the tabs from t...

  • Page 462

    8-16 phaser 6280 color laser printer service manual service parts disassembly front cover assembly (pl1.2.1) 1. Remove the duplex unit (page 8-99), if installed. 2. Remove the rear cover (page 8-12). 3. Remove the right side cover (page 8-13). 4. Remove 1 screw (6 mm) securing the ground wire to the...

  • Page 463

    Phaser 6280 color laser printer service manual 8-17 service parts disassembly note when performing the following step, be careful not to drop the front cover assembly. 8. Release the hook of the shaft pivot on the left and right side of the front cover. Pull the shaft pivot outward while holding the...

  • Page 464

    8-18 phaser 6280 color laser printer service manual service parts disassembly tray 2 cover (pl1.1.5) 1. Remove tray 2. 2. Pull the tray 2 cover all the way out until it stops. 3. Press the center part of the tray 2 cover to release the hooks (on the left and right sides) and remove the tray 2 cover ...

  • Page 465

    Phaser 6280 color laser printer service manual 8-19 service parts disassembly extender cover (pl1.1.9) 1. Open the extender cover. 2. Press the center part of the extender cover and release one of the two notches of the extender cover from the hole of the top cover (pl1.1.1). 3. Pull out the other n...

  • Page 466

    8-20 phaser 6280 color laser printer service manual service parts disassembly front latch (pl1.2.4) 1. Remove the duplex unit (page 8-99), if installed. 2. Remove the latch spring (pl1.2.3) from the front latch (pl1.2.4) and the front cover assembly. 3. Remove 2 screws (with flange, 10 mm) securing ...

  • Page 467

    Phaser 6280 color laser printer service manual 8-21 service parts disassembly control panel wiring harness (pl1.2.15) 1. Remove the duplex unit (page 8-99), if installed. 2. Remove the rear cover (page 8-12). 3. Remove the right side cover (page 8-13). 4. Remove the front latch (page 8-20). 5. Disco...

  • Page 468

    8-22 phaser 6280 color laser printer service manual service parts disassembly note be sure not to move the harness cover away from the front cover assembly too far, because the harness cover is secured to the front cover harness assembly. 7. Remove 4 screws (10 mm) securing the harness cover (pl1.2....

  • Page 469

    Phaser 6280 color laser printer service manual 8-23 service parts disassembly control panel (pl1.2.16) 1. Remove the exit out chute (page 8-63). Note be careful not to drop the control panel. 2. Disconnect the control panel connector p/j220. 3. Release the 6 hooks securing the control panel to the f...

  • Page 470

    8-24 phaser 6280 color laser printer service manual service parts disassembly tray 1 (mpt) cover (pl1.2.24) 1. Open tray 1 (mpt) cover. 2. Rotate the pivot pin (pl1.2.17) to release the hooks securing the link on the left and right sides of the tray 1 (mpt) cover. Remove the left and right pivot pin...

  • Page 471

    Phaser 6280 color laser printer service manual 8-25 service parts disassembly replacement note replacement note ensure to place the tray 1 (mpt) lever on top of tray 1 (mpt). S6280-183.

  • Page 472: Paper Tray

    8-26 phaser 6280 color laser printer service manual service parts disassembly paper tray tray 1 (mpt) retard roller assembly (pl2.1.3) 1. Remove tray 2. 2. Press lightly on the left and right sides of the separator holder (pl2.1.10) toward the center, lift and remove the holder. 3. Remove the tray 1...

  • Page 473

    Phaser 6280 color laser printer service manual 8-27 service parts disassembly bottom plate (pl2.1.20) 1. Remove tray 2. 2. Remove the mpt springs (pl2.1.17) from the left and right arms (pl2.1.16/18). 3. Remove 1 screw (6 mm) securing the left mpt holder assembly (pl2.1.21) to the bottom plate assem...

  • Page 474

    8-28 phaser 6280 color laser printer service manual service parts disassembly tray 1 (mpt) no paper actuator (pl2.1.26) 1. Remove tray 2. 2. Press on the notches of the actuator assembly (pl2.1.24) to release the hooks. 3. Remove the no paper spring (pl2.1.28) from the actuator holder (pl2.1.25). 4....

  • Page 475

    Phaser 6280 color laser printer service manual 8-29 service parts disassembly tray 2 retard roll (pl2.2.17) 1. Remove tray 2. 2. Release the hooks on the left and right of the retard tray cover (pl2.2.13) and open the retard tray cover. 3. Release the hooks on the left and right side of the retard r...

  • Page 476: Paper Feeder

    8-30 phaser 6280 color laser printer service manual service parts disassembly paper feeder tray 1 (mpt) feed solenoid (pl3.1.3, pl3.1.99) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the mpt feed spring (pl3.1.4). 4. Release the hook and remove the mpt ...

  • Page 477

    Phaser 6280 color laser printer service manual 8-31 service parts disassembly 5. Disconnect the tray 1 feed solenoid connector p/j234. 6. Release the feed solenoid wiring harness from the ph drive assembly duct (pl8.1.8). 7. Remove 1 screw (8 mm) securing the tray 1 feed solenoid to the printer. 8. ...

  • Page 478

    8-32 phaser 6280 color laser printer service manual service parts disassembly tray 1 (mpt) roll (pl3.1.8) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the mpt feed spring (pl3.1.4). 4. Release the hook of the mpt gear (pl3.1.5) and remove the gear from ...

  • Page 479

    Phaser 6280 color laser printer service manual 8-33 service parts disassembly 5. Remove the e-ring securing the bearing on the left and right sides of the roll, and shift the bearing toward the inside. Note when performing the following step, be careful not to loose the earth bearing (pl3.1.6) and t...

  • Page 480

    8-34 phaser 6280 color laser printer service manual service parts disassembly tray 1 (mpt) feed roll (pl3.1.10, pl 3.1.99) 1. Remove tray 2. 2. Release the mpt core roll hook (pl3.1.9) on the right side of the mpt feed roll. Shift the mpt core roll to the right. 3. Shift the mpt feed roll to the rig...

  • Page 481

    Phaser 6280 color laser printer service manual 8-35 service parts disassembly tray 1 (mpt) no paper sensor (pl3.1.15) 1. Remove tray 2. 2. Release the cover sensor hook (pl3.1.16). 3. Push the cover sensor backward while pressing on the lower side of the sensor to remove the latch on the upper right...

  • Page 482

    8-36 phaser 6280 color laser printer service manual service parts disassembly tray 2 feeder assembly (pl3.2.1) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the ph drive assembly (page 8-73). 4. Remove the registration clutch (page 8-40). 5. Remove the f...

  • Page 483

    Phaser 6280 color laser printer service manual 8-37 service parts disassembly 9. Disconnect the feeder assembly connectors p/j292 and p/j301. 10. Disconnect the tray 2 turn clutch assembly (pl3.2.25) connector p/ j232. 11. Release the wiring harnesses from the clamps and hooks. S6280-196 p/j232 p/j2...

  • Page 484

    8-38 phaser 6280 color laser printer service manual service parts disassembly caution ensure to hold the feeder assembly while removing the 2 screws to prevent the feeder drop to the bottom of the printer. 12. Shift the cam shaft on the left side to access the screws. Remove 2 screws (10 mm) securin...

  • Page 485

    Phaser 6280 color laser printer service manual 8-39 service parts disassembly replacement procedures 1. Insert the feeder into the printer with the right side in first. 2. Insert the 2 wiring harness connectors coming out of the feeder and the connector of the turn clutch through the hole of the pri...

  • Page 486

    8-40 phaser 6280 color laser printer service manual service parts disassembly registration clutch (pl3.2.23) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the ph drive assembly (page 8-73). 4. Disconnect the registration clutch wiring harness connector p...

  • Page 487

    Phaser 6280 color laser printer service manual 8-41 service parts disassembly feed clutch (pl3.2.24) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the ph drive assembly (page 8-73). 4. Disconnect the feed clutch wiring harness connector p/j233. 5. Releas...

  • Page 488

    8-42 phaser 6280 color laser printer service manual service parts disassembly turn clutch (pl3.2.25) 1. Remove the feeder assembly (page 8-36). 2. Release the turn clutch (pl3.2.25) wiring harness from the clamps. 3. Remove the e-ring securing the turn clutch to the feeder assembly. 4. Remove the tu...

  • Page 489

    Phaser 6280 color laser printer service manual 8-43 service parts disassembly registration sensor (pl3.2.30) 1. Remove the feeder assembly (page 8-36). 2. Remove the turn clutch assembly (page 8-42). 3. Remove turn roll assembly (page 8-46). 4. Remove 3 screws (8 mm) securing the upper regi chute as...

  • Page 490

    8-44 phaser 6280 color laser printer service manual service parts disassembly 8. Disconnect the wiring harness connector p/j2922. S6280-202 (j2922).

  • Page 491

    Phaser 6280 color laser printer service manual 8-45 service parts disassembly no paper sensor (pl3.2.30) 1. Remove the feeder assembly (page 8-36). 2. Remove 1 screw (8 mm) securing the no sensor holder (pl3.2.34) and remove the no sensor holder. 3. Release the 3 hooks securing the no paper sensor t...

  • Page 492

    8-46 phaser 6280 color laser printer service manual service parts disassembly turn roll assembly (pl3.2.32) 1. Remove the feeder assembly (page 8-36). 2. Remove the turn clutch assembly (page 8-42). 3. Remove the e-ring securing the shaft section of the turn roll assembly (pl3.2.32). 4. Remove the w...

  • Page 493

    Phaser 6280 color laser printer service manual 8-47 service parts disassembly tray 2 feed roll (pl3.2.53) 1. Remove tray 2. 2. Release the hook on the tray 2 feed roll hook and remove the feed roll from each shaft. Replacement note replacement note ensure to align the convex section of the tray 2 fe...

  • Page 494

    8-48 phaser 6280 color laser printer service manual service parts disassembly nudger assembly (pl3.2.59) 1. Remove the feeder assembly (page 8-36). 2. Remove the e-ring. 3. Slide the nudger shaft (pl3.2.45) out from the nudger support assembly (pl3.2.44). 4. Push the bearing (pl3.2.11) toward the ou...

  • Page 495

    Phaser 6280 color laser printer service manual 8-49 service parts disassembly 5. Slide the nudger assembly out from the regi chute. S6280-279.

  • Page 496: Xerographics

    8-50 phaser 6280 color laser printer service manual service parts disassembly xerographics laser unit (pl5.1.2) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Remove the i/p board sh...

  • Page 497

    Phaser 6280 color laser printer service manual 8-51 service parts disassembly 11. Remove 4 screws (10 mm) securing the laser unit springs (pl5.1.1) on the left and right sides. 12. Remove the laser unit springs. 13. Slowly lift up the laser unit and remove it from the printer. S6280-207.

  • Page 498

    8-52 phaser 6280 color laser printer service manual service parts disassembly crum connector (pl5.1.3) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Remove the interlock harness ass...

  • Page 499

    Phaser 6280 color laser printer service manual 8-53 service parts disassembly 11. Shift the crum connector to the right. 12. Disconnect and remove the crum connector. S6280-208.

  • Page 500

    8-54 phaser 6280 color laser printer service manual service parts disassembly print cartridge sensor assembly (black/cyan/magenta/yellow) (pl5.1.4) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (pa...

  • Page 501

    Phaser 6280 color laser printer service manual 8-55 service parts disassembly print cartridge sensor (pl5.1.8) 1. Remove the print cartridge sensor assembly (page 8-54). 2. Release the 3 hooks securing the print cartridge sensor to the actuator bracket (pl5.1.7) bracket while pressing on the cru act...

  • Page 502

    8-56 phaser 6280 color laser printer service manual service parts disassembly dispenser assembly (c/m/y/k) (pl5.1.12) 1. Remove the rear cover (page 8-12). 2. Remove the left side cover (page 8-14). 3. Disconnect the 4 dispenser motor wiring harnesses. 4. Release the 2 hooks securing the motor harne...

  • Page 503

    Phaser 6280 color laser printer service manual 8-57 service parts disassembly 7. Remove 1 screw (10 mm) securing the dispenser assembly. 8. Slightly shift the dispenser assembly toward the front, release the convex sections, and remove the dispenser assembly. Replacement note replacement note ensure...

  • Page 504

    8-58 phaser 6280 color laser printer service manual service parts disassembly bias assembly (pl5.1.13) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Remove the led assembly (page 8-...

  • Page 505

    Phaser 6280 color laser printer service manual 8-59 service parts disassembly 10. Remove 1 screw (10 mm) securing the esa roll spring (pl5.1.14). 11. Remove the esa roll spring (pl5.1.14) from the bias assembly. 12. Remove 3 screws (10 mm) securing the bias assembly. 13. Remove the bias assembly fro...

  • Page 506

    8-60 phaser 6280 color laser printer service manual service parts disassembly led assembly (pl5.1.15) 1. Remove the rear cover (page 8-12). 2. Remove the left side cover (page 8-14). 3. Remove 2 screws (10 mm) securing the left side duct (pl7.1.23) and remove the left side duct. 4. Remove 1 screw (1...

  • Page 507

    Phaser 6280 color laser printer service manual 8-61 service parts disassembly hvps (pl5.1.17) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Remove the main fan (page 8-82). 6. Remove th...

  • Page 508

    8-62 phaser 6280 color laser printer service manual service parts disassembly 9. Remove 2 screws (6 mm, with washer) securing the hvps wiring harnesses. 10. Remove 5 screws (10 mm) and 3 screws (6 mm) securing the hvps to the printer. 11. Shift the upper part of the hvps from the printer, pull out t...

  • Page 509: Exit Chute

    Phaser 6280 color laser printer service manual 8-63 service parts disassembly exit chute exit out chute (pl6.1.1) 1. Remove 2 screws (10 mm, flanged) securing the exit out chute to the front cover. 2. Remove the exit out chute from the front cover. S6280-217.

  • Page 510

    8-64 phaser 6280 color laser printer service manual service parts disassembly duplex gate chute (pl6.1.13) 1. Open the front cover. 2. Open the duplex gate chute approximately 45° so that the flat surfaces of the left side pivot of the duplex gate chute comes parallel with the u- shaped notch. 3. Pu...

  • Page 511: Frame

    Phaser 6280 color laser printer service manual 8-65 service parts disassembly frame left link (pl7.1.3) 1. Remove the rear cover (page 8-12). 2. Remove the left side cover (page 8-14). 3. Release the hook of the shaft pivot (pl1.2.8) securing the left link and remove the shaft pivot. 4. Remove the l...

  • Page 512

    8-66 phaser 6280 color laser printer service manual service parts disassembly 7. Remove the left link from the printer. 8. Remove the support spring (pl7.1.8). 9. Remove the damper holder (pl7.1.6) together with the oil damper (pl7.1.7). Replacement note replacement note ensure the orientation of th...

  • Page 513

    Phaser 6280 color laser printer service manual 8-67 service parts disassembly right link (pl7.1.13) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Release the hook of the shaft pivot (pl1.2.8) securing the right link. Pull out the shaft pivot. 4. Remove the righ...

  • Page 514

    8-68 phaser 6280 color laser printer service manual service parts disassembly 7. Remove the right link from the printer. 8. Remove the support spring (pl7.1.8). 9. Remove the damper holder (pl7.1.26) together with the h oil damper (pl7.1.27). Replacement note replacement note ensure the orientation ...

  • Page 515

    Phaser 6280 color laser printer service manual 8-69 service parts disassembly tray 2 size switch assembly (pl7.1.18) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Release the clamp (pl7.1.15) securing the size switch assembly and remove the wiring harness. 4. D...

  • Page 516: Drive

    8-70 phaser 6280 color laser printer service manual service parts disassembly drive main drive assembly (pl8.1.2) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). Note when performing the...

  • Page 517

    Phaser 6280 color laser printer service manual 8-71 service parts disassembly 7. Remove 2 screws (10 mm) securing the fuser bracket (pl6.1.12) to the printer. Caution do not separate the fuser bracket and the printer too far apart, because they are connected by a wiring harness. 8. Move the fuser br...

  • Page 518

    8-72 phaser 6280 color laser printer service manual service parts disassembly 14. Remove 7 screws (tap, 10 mm) securing the main drive assembly. 15. Remove the main drive assembly from the printer. S6280-226.

  • Page 519

    Phaser 6280 color laser printer service manual 8-73 service parts disassembly ph drive assembly (pl8.1.7) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the mpt feed spring (pl3.1.4). 4. Release the mpt gear hook (pl3.1.5) and remove the gear from the mpt...

  • Page 520

    8-74 phaser 6280 color laser printer service manual service parts disassembly 5. Release the wiring harnesses from the ph drive duct assembly (pl8.1.8). 6. Release the 4 hooks of the ph drive duct assembly from the ph drive assembly (pl8.1.7). Shift the ph drive duct assembly toward the rear side of...

  • Page 521

    Phaser 6280 color laser printer service manual 8-75 service parts disassembly 7. Remove 1 screw (6 mm) and 1 screw (tap, 10 mm) securing the ground plate (pl8.1.11) to the main drive assembly (pl8.1.2) and the ph drive assembly. 8. Remove the ground plate. 9. Remove 3 screws (tap, 10 mm) securing th...

  • Page 522

    8-76 phaser 6280 color laser printer service manual service parts disassembly k drive assembly (pl8.1.10) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the i/p board shield (page 8-96). 5. Remove the mcu board s...

  • Page 523

    Phaser 6280 color laser printer service manual 8-77 service parts disassembly note when performing the following step, leave the wiring harness connector on in the clamp on the printer harness side. 8. Release the k mode solenoid wiring harness on the k drive assembly from the clamp and disconnect t...

  • Page 524

    8-78 phaser 6280 color laser printer service manual service parts disassembly 10. Remove 3 screws (6 mm) securing the k drive assembly to the main drive assembly. 11. Remove the k drive assembly from the printer. Replacement note replacement note when installing the k drive assembly, be careful not ...

  • Page 525: Electrical

    Phaser 6280 color laser printer service manual 8-79 service parts disassembly electrical interlock assembly harness (pl9.1.3) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Disconnec...

  • Page 526

    8-80 phaser 6280 color laser printer service manual service parts disassembly lvps (pl9.1.4) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Disconnect the 7 wiring harness connectors...

  • Page 527

    Phaser 6280 color laser printer service manual 8-81 service parts disassembly 9. Remove 6 screws (6 mm) securing the lvps to the lvps shield. 10. While lifting up the lvps, shift the lvps to the rear at an angle to remove the lvps from the printer. S6280-235 s6280-236.

  • Page 528

    8-82 phaser 6280 color laser printer service manual service parts disassembly main fan (pl9.1.10) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Disconnect the main fan wiring harnes...

  • Page 529

    Phaser 6280 color laser printer service manual 8-83 service parts disassembly power switch (ac in harness assembly) (pl9.1.16) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Disconne...

  • Page 530

    8-84 phaser 6280 color laser printer service manual service parts disassembly 9. Release the power switch wiring harness from the 4 clamps. 10. Release the hooks of the power switch to remove the power switch from the printer. 11. Remove the power switch from the printer. Replacement note replacemen...

  • Page 531

    Phaser 6280 color laser printer service manual 8-85 service parts disassembly humidity sensor (pl9.1.19) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the i/p board shield (page 8-96). 5. Remove the mcu board sh...

  • Page 532

    8-86 phaser 6280 color laser printer service manual service parts disassembly mcu board (pl9.1.20) note if the mcu board is exchanged, store internal data to the image processor board. Enter service diagnostics menu: service mode > engine diag > nvm settings > save nvm to ess . Refer to ”service dia...

  • Page 533

    Phaser 6280 color laser printer service manual 8-87 service parts disassembly image processor board (pl9.1.27) 1. Remove the rear cover (page 8-12). 2. Loosen the knurling screw (pl9.1.44) and open the window shield (pl9.1.21). 3. Lift the window shield up to release the 4 tabs of the window shield ...

  • Page 534

    8-88 phaser 6280 color laser printer service manual service parts disassembly 7. Remove 1 screw securing the i/p board to the i/p board shield assembly (pl9.1.25). 8. Remove the i/p board from the printer. S6280-243.

  • Page 535

    Phaser 6280 color laser printer service manual 8-89 service parts disassembly replacement note replacement note do not use the nvram rom from the new i/p board. Do not apply pressure on the i/p board when removing the nvram rom. Make sure to move the nvram rom from the old i/p board to the new i/p b...

  • Page 536

    8-90 phaser 6280 color laser printer service manual service parts disassembly be sure to sit the i/p board on the 3 tabs (2 on top, 1 on bottom left) and between the 2 tabs on the bottom left of the i/p board shield. S6280-292.

  • Page 537

    Phaser 6280 color laser printer service manual 8-91 service parts disassembly memory card (pl9.1.30) 1. Loosen the knurling screw (pl9.1.44) and open the window shield (pl9.1.21). 2. Release the tabs on the memory socket securing the memory card. 3. Remove the memory card. S6280-246.

  • Page 538

    8-92 phaser 6280 color laser printer service manual service parts disassembly lvps assembly (pl9.1.40) 1. Remove the rear cover (page 8-12). 2. Remove the right side cover (page 8-13). 3. Remove the left side cover (page 8-14). 4. Remove the top cover (page 8-15). 5. Disconnect the 7 wiring harness ...

  • Page 539

    Phaser 6280 color laser printer service manual 8-93 service parts disassembly replacement note replacement note be sure to secure the 2 latches on the airflow duct to the lvps assembly. S6280-293.

  • Page 540

    8-94 phaser 6280 color laser printer service manual service parts disassembly mcu board shield (pl9.1.42) 1. Remove the rear cover (page 8-12). 2. Loosen the knurling screw (pl9.1.44) and open the window shield (pl9.1.21). 3. Lift the window shield up to release the 4 tabs of the window shield from ...

  • Page 541

    Phaser 6280 color laser printer service manual 8-95 service parts disassembly 4. Remove the i/p board shield assembly (page 8-96). 5. Remove 4 screws securing the mcu board shield. 6. Slide the mcu board shield downward to release the two tabs of the mcu board shield from the holes of the rear shiel...

  • Page 542

    8-96 phaser 6280 color laser printer service manual service parts disassembly image processor board shield assembly (pl9.1.45) 1. Remove the rear cover (page 8-12). 2. Loosen the knurling screw (pl9.1.44) and open the window shield (pl9.1.21). 3. Lift the window shield up to release the 4 tabs of th...

  • Page 543

    Phaser 6280 color laser printer service manual 8-97 service parts disassembly 4. Disconnect the 4 wiring harness connectors on the i/p board. 5. Remove 14 screws (6 mm) securing the i/p board shield. 6. Remove the i/p board shield from the printer. S6280-250

  • Page 544

    8-98 phaser 6280 color laser printer service manual service parts disassembly hard drive assembly (pl9.47) 1. Loosen the knurling screw (pl9.1.44) and open the window shield (pl9.1.21). 2. Remove the 2 knurling screws (pl9.1.22) securing the hard drive assembly to the printer. 3. Remove the hard dri...

  • Page 545: Duplex Unit

    Phaser 6280 color laser printer service manual 8-99 service parts disassembly duplex unit duplex unit (pl11.1.1) 1. Open the front cover. 2. Remove the transfer unit (page 8-8). 3. Lift the duplex unit lever to release the lock. 4. Pull the notches on the bottom of the duplex unit out from the holes...

  • Page 546: Optional 550-Sheet Feeder

    8-100 phaser 6280 color laser printer service manual service parts disassembly optional 550-sheet feeder optional 550-sheet feeder (pl12.1.1) 1. Remove tray 2. 2. Remove the 2 joint screws securing the printer to the optional 550-sheet feeder. Caution lifting the printer requires two people. Use car...

  • Page 547

    Phaser 6280 color laser printer service manual 8-101 service parts disassembly tray 3 left cover (pl12.1.2) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Remove 2 screws (8 mm, flanged) securing the left cover to the optional frame assembly (pl12.2.1). 3. Open the left cover toward the fro...

  • Page 548

    8-102 phaser 6280 color laser printer service manual service parts disassembly tray 3 cover (pl12.1.4) 1. Remove the tray 2 cover (page 8-18). 2. Remove tray 3 from the optional 550-sheet feeder. 3. Pull the tray 3 cover backward until it stops. 4. Press the center part of the tray 3 cover to releas...

  • Page 549

    Phaser 6280 color laser printer service manual 8-103 service parts disassembly tray 3 turn clutch (pl12.1.5) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Remove the tray 3 right cover (page 8-102). 3. Disconnect the tray 3 turn clutch wiring harness connector p/j4201. 4. Release the 2 cla...

  • Page 550

    8-104 phaser 6280 color laser printer service manual service parts disassembly tray 3 feed clutch (pl12.1.6) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Remove the tray 3 right cover (page 8-102). 3. Disconnect the tray 3 feed clutch wiring harness connector p/j4213. 4. Release the clamp...

  • Page 551

    Phaser 6280 color laser printer service manual 8-105 service parts disassembly tray 3 right cover (pl12.1.7) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Remove 4 screws (8 mm, flanged) securing the right cover to the optional frame (pl12.2.1). 3. Open the rear side of the right cover tow...

  • Page 552

    8-106 phaser 6280 color laser printer service manual service parts disassembly tray 3 size switch (pl12.2.5) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Remove the tray 3 right cover (page 8-102). 3. Disconnect the tray 3 size switch connector p/j4211. 4. Release the clamp securing the t...

  • Page 553

    Phaser 6280 color laser printer service manual 8-107 service parts disassembly tray 3 feeder assembly (pl12.1.8, pl12.3.1) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Remove the tray 3 left cover (page 8-101). 3. Remove the tray 3 right cover (page 8-105). 4. Remove the tray 3 turn clutc...

  • Page 554

    8-108 phaser 6280 color laser printer service manual service parts disassembly 9. Release the convex part on the left and right sides of the tray 3 feeder from the flange on the left and right sides of the frame to remove the tray 3 feeder. S6280-262.

  • Page 555

    Phaser 6280 color laser printer service manual 8-109 service parts disassembly tray 3 no paper sensor (pl12.3.14) 1. Remove tray 3. 2. Remove the tray 3 left cover (page 8-101). 3. Remove the tray 3 right cover (page 8-105). 4. Remove the tray 3 turn clutch (page 8-103). 5. Remove the tray 3 feed cl...

  • Page 556

    8-110 phaser 6280 color laser printer service manual service parts disassembly tray 3 feed roll (pl12.3.29) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Release the tray 3 feed roll hook and remove the tray 3 feed roll from each shaft. S6280-264.

  • Page 557

    Phaser 6280 color laser printer service manual 8-111 service parts disassembly tray 3 retard roll (pl12.5.17) 1. Remove tray 3 from the optional 550-sheet feeder. 2. Release the hooks on the left and right sides of the retard tray cover (pl12.5.13) and open the retard tray cover. 3. Release the hook...

  • Page 558

    8-112 phaser 6280 color laser printer service manual service parts disassembly.

  • Page 559: In This Chapter...

    9 chapter parts list in this chapter... ■ serial number format ■ using the parts list ■ print engine parts ■ options ■ xerox supplies and accessories ■ service kits.

  • Page 560: Serial Number Format

    9-2 phaser 6280 color laser printer service manual parts list serial number format changes to xerox products are made to accommodate improved components as they become available. It is important when ordering parts to include the following information: ■ component's part number ■ product type or mod...

  • Page 561

    Phaser 6280 color laser printer service manual 9-3 parts list note the serial numbers are only reset to the starting serial number when the ending serial number is reached. At that time the revision digit will be rolled. Serial numbers below 10001 are reserved for xog final integration center (fic) ...

  • Page 562

    9-4 phaser 6280 color laser printer service manual parts list serial number location serial number format examples nka03001: xerox serial number nka = product code for 110v printer 0 = revision level 30001 = serial number for 6280_n nkb299999: xerox serial number, next printer serial number nkb36000...

  • Page 563: Using The Parts List

    Phaser 6280 color laser printer service manual 9-5 parts list using the parts list ■ id no.: the callout number from the exploded part diagram. ■ name/description: the name of the part to be ordered and the number of parts supplied per order. ■ part number: the material part number used to order tha...

  • Page 564: Print Engine Parts

    9-6 phaser 6280 color laser printer service manual parts list print engine parts parts list 1.1 covers (1 of 2) front 1 2 4 5 7 3 s6280-013 9 (with 2,3) 6.

  • Page 565

    Phaser 6280 color laser printer service manual 9-7 parts list parts list 1.1 covers (1 of 2) id no. Name/description part number 1. Cover assy top 848k19861 2. Cover extension 1 3. Cover extension 2 4. Cover rear 848e26092 5. Cover cst (tray cover) 848e26171 6. Cover side right 848e26071 7. Cover si...

  • Page 566

    9-8 phaser 6280 color laser printer service manual parts list parts list 1.2 covers (2 of 2) 5 front 1 (with 3-7,9,14,17-24,36) 24 (with 25-27,29,39) 6 8 8 9 11 14 17 17 21 22 20 25 26 27 29 30 19 18 23 30 s6280-032 (j272) (p2720) (p2721) 36 32 (j29) (p2900) (j2900) 15 16 (j220) 13 12 7 37 38 3 4 39...

  • Page 567

    Phaser 6280 color laser printer service manual 9-9 parts list parts list 1.2 covers (2 of 2) id no. Name/description part number 1. Cover assy front (with 3-7, 9, 14, 17-24, 36) 848k15397 2. ----- 3. Spring latch 4. Latch front 5. Cover harness 6. Button top 7. Contact front 8. Shaft pivot (pin kit)...

  • Page 568

    9-10 phaser 6280 color laser printer service manual parts list parts list 2.1 tray 2 (1 of 2) s6280-014 front [ref pl2.2.1] 1 (with 2, pl2.2.1) 2 (with 3,12-24) 24 (with 25-28) 4 5 8 9 9 10 11 12 12 13 13 14 15 16 17 17 18 19 20 21 22 23 25 26 6 7 27 28 3 (with 4-11).

  • Page 569

    Phaser 6280 color laser printer service manual 9-11 parts list parts list 2.1 tray 2 (1 of 2) id no. Name/description part number 1. Cassette assy 250 (with 2, pl2.2.1) (tray 2) 050k58032 2. Cassette assy front (with 3, 12-24) (tray 2 front assy) 3. Separator (retard) roller assembly (with 4-11) 675...

  • Page 570

    9-12 phaser 6280 color laser printer service manual parts list parts list 2.2 tray 2 (2 of 2) s6280-015 front 1 (with 2-13,18,19,21-33) 12 (with 14-17) 2 8 9 10 13 15 18 19 21 23 22 24 26 27 28 29 30 31 32 33 25 14 16 17 8 11 3 4 6 7 5.

  • Page 571

    Phaser 6280 color laser printer service manual 9-13 parts list parts list 2.2 tray 2 (2 of 2) id no. Name/description part number 1. Cassette assy rear 250 (with 2-13, 18, 19, 21-33) 2. Plate assy btm a4 3. Stopper pb 4. Gear btm lock oneway 5. Shaft pb a4 6. Gear btm dmp oneway 7. Gear pb left 8. S...

  • Page 572

    9-14 phaser 6280 color laser printer service manual parts list parts list 3.1 paper feeder (1 of 2) s6280-016 front [ref pl3.2.23] [ref pl3.2.1] [ref pl3.2.24] 3 4 20 5 6 7 9 10 12 14 15 16 17 13 11 11 9 18 8 (with 7,9-12,18) (j234) (j282) (p2821) (j2821) mpt no paper sensor 99 (with 3-5,10).

  • Page 573

    Phaser 6280 color laser printer service manual 9-15 parts list parts list 3.1 paper feeder (1 of 2) id no. Name/description part number 1. ----- 2. ----- 3. Solenoid feed mpt (with 4-5) 675k35590 4. Spring feed mpt 5. Gear mpt 6. Bearing earth 7. Cam mpt right 8. Roll assy mpt (with 7, 9-12, 18) 059...

  • Page 574

    9-16 phaser 6280 color laser printer service manual parts list parts list 3.2 paper feeder (2 of 2) s6280-017 front 1 (with 2,11,21,25-28,30,32-34,37,42,51-53,55,59,61,62) 2 (with 3-21) 28 (with 29,30) 59 (with 44-50) 33 (with 35,36) 3 3 4 5 6 7 12 13 14 15 16 17 18 19 27 8 11 9 11 10 8 20 21 21 23 ...

  • Page 575

    Phaser 6280 color laser printer service manual 9-17 parts list parts list 3.2 paper feeder (2 of 2) id no. Name/description part number 1. Feeder assy (with 2, 11, 21, 25-28, 30, 32-34, 37, 42, 51-53, 55, 59, 61, 62) 675k74270 2. Chute assy regi (with 3-21) 3. Bracket nip 4. Spring regi left 5. Spri...

  • Page 576

    9-18 phaser 6280 color laser printer service manual parts list 41. ----- 42. Shaft feed 43. ----- 44. Support nudger assy 45. Shaft nudger 46. Gear nudger a4 47. Gear idler nudger 48. Holder no paper left a4 49. Actuator no paper a4 50. Holder no paper right a4 51. Clutch oneway nudger 52. Clutch on...

  • Page 577

    Phaser 6280 color laser printer service manual 9-19 parts list parts list 4.1 transfer unit parts list 4.1 transfer id no. Name/description part number 1. Kit belt cru (transfer assy) (periodic replacement part - per 100k prints) 675k70582 s6280-018 front [ref pl1.2.9] 1 (j2721).

  • Page 578

    9-20 phaser 6280 color laser printer service manual parts list parts list 5.1 xerographics s6280-019 front 1 2 1 3 4 18 19 20 21 3 3 3 4 4 4 10 5 6 7 8 4 (with 5-8) 10 10 10 11 12 11 11 11 12 12 12 13 14 15 16 17 (p314) (j183) (j16) (p161) (p313) (p312) (p311) (p193) (k) (p194) (c) (p192) (m) (p191)...

  • Page 579

    Phaser 6280 color laser printer service manual 9-21 parts list parts list 5.1 xerographics id no. Name/description part number 1. Spring ros (laser unit spring) 2. Ros assy (with 1x2) (laser unit) 062k19530 3. Connector crum 4. Sensor assy cru (with 5-8) 130k72260 5. Actuator cru 6. Spring cru 7. Br...

  • Page 580

    9-22 phaser 6280 color laser printer service manual parts list parts list 6.1 fuser & exit s6280-020 17 7 1 (with 2-9,17) [ref pl1.2.9] 2 2 3 3 3 4 5 6 3 2 2 8 9 10 11 12 13 18 19 8 (p171) (j171) (j47) (j17) front.

  • Page 581

    Phaser 6280 color laser printer service manual 9-23 parts list parts list 6.1 fuser & exit id no. Name/description part number 1. Chute assy exit out (with 2-9, 17) (attached on pl 01.02.09) 054k35574 2. Spring pinch exit out 3. Roll pinch exit 4. Spring corrugate 5. Roll corrugate 6. Holder corruga...

  • Page 582

    9-24 phaser 6280 color laser printer service manual parts list parts list 7.1 frame s6280-021 front 2 3 8 26 27 12 13 14 25 18 22 24 23 14 8 7 14 14 (p291) 99 (with 14x4pcs) 6 97 (with 2,3,6-8) 98 (with 8,12,13,26,27).

  • Page 583

    Phaser 6280 color laser printer service manual 9-25 parts list parts list 7.1 frame id no. Name/description part number 1. ----- 2. Support link left (kit) 3. Link left (kit) 4. ----- 5. ----- 6. Holder damper (kit) 7. Damper oil (kit) 8. Spring support (kit) 9. ----- 10. ----- 11. ----- 12. Support...

  • Page 584

    9-26 phaser 6280 color laser printer service manual parts list parts list 8.1 drive s6280-027 front 2 7 10 11 8 (j235) (p221) (j241) (j20) (p222) (p251).

  • Page 585

    Phaser 6280 color laser printer service manual 9-27 parts list parts list 8.1 drive id no. Name/description part number 1. ----- 2. Drive assy main 675k74300 3. ----- 4. ----- 5. ----- 6. ----- 7. Drive assy ph 675k74311 8. Duct assy drive ph 9. ----- 10. Drive assy k 675k74320 11. Plate earth drv m...

  • Page 586

    9-28 phaser 6280 color laser printer service manual parts list parts list 9.1 electrical s6280-022 front 3 2 4 41 42 5 6 8 8 18 19 20 25 30 47 33 33 33 35 44 21 22 22 11 14 14 14 33 33 14 16 43 17 48 48 48 1 2 33 (j44) (j48) (j482) (p261) (fs483) (t484) (p144) 27 (with 35) 10 (j503) 9 40 (with 4,9) ...

  • Page 587

    Phaser 6280 color laser printer service manual 9-29 parts list parts list 9.1 electrical id no. Name/description part number 1. Pwba eeprom (xpro) 2. Varistor 3. Harness assy interlock (interlock switch-j44) (harness kit) 675k74380 4. Lvps kmy 100/115v 105k23641 lvps kmy 230v 105k23651 5. Edge saddl...

  • Page 588

    9-30 phaser 6280 color laser printer service manual parts list 38. ----- 39. ----- 40. Lvps assy (with 4, 9) 41. Duct air flow 42. Shield mcu 43. Breaker gfi inlet 44. Screw knurling 45. Shield assy ess (with 25, 27) (i/p board shield assy) 46. ----- 47. Hdd assy (option) 121k50720 48. Clamp 49. Shi...

  • Page 589

    Phaser 6280 color laser printer service manual 9-31 parts list parts list 10.1 wiring harness s6280-023 (p17) (p16) (p12) (p28) (p30) (p29) (p13) (p14) (p10) (p19) (p15) (p18) (p101) (p26) (p20) (p31) (p22) (p24) (p25) (p23) (p27) [ref pl9.1.4] [ref pl9.1.20] 4 9 13 15 16 (j31) (j311) (j312) (j313) ...

  • Page 590

    9-32 phaser 6280 color laser printer service manual parts list parts list 10.1 wiring harness id no. Name/description part number 1. ----- 2. ----- 3. ----- 4. Harness assy humidity (j26-j261) - (harness kit) 675k74370 5. ----- 6. ----- 7. ----- 8. ----- 9. Harness assy cru snr (j19-j191, j192, j193...

  • Page 591: Options

    Phaser 6280 color laser printer service manual 9-33 parts list options parts list 11.1 duplex to pl11.2 s6280-024 front 1 (with 2-7,9-20,22-27, pl11.2) 2 3 4 2 5 5 6 9 10 12 13 14 14 15 16 17 18 19 11 7 5 6 7 6 7 22 26 23 5 6 7 5 6 7 5 6 7 20 20 (p430) (p427) (j427) (j430) (p4301) (j4301) (p431) (p4...

  • Page 592

    9-34 phaser 6280 color laser printer service manual parts list parts list 11.1 duplex id no. Name/description part number 1. Duplex module (with 2-7, 9-20, 22-27) 675k47078 2. Stopper latch duplex 3. Handle latch duplex 4. Latch duplex 5. Holder main 6. Spring chute duplex 7. Bracket holder duplex 8...

  • Page 593

    Phaser 6280 color laser printer service manual 9-35 parts list parts list 12.1 optional-550 sheet feeder - tray 3 (1 of 5) front 1 (with 2,5-7, pl12.2,12.3) 8 [ref pl12.3.1] [ref pl12.4.1] [ref pl12.2] 2 3 3 7 4 5 6 s6280-026 (j4201) (j4213).

  • Page 594

    9-36 phaser 6280 color laser printer service manual parts list parts list 12.1 optional 550-sheet feeder - tray 3 (1 of 5) id no. Name/description part number 1. 550 option feeder (with 2, 5-7, pl12.2-12.3) 675k47066 2. Cover left 3. Screw joint 4. Cover tray 550 5. Clutch assy ph turn 6. Clutch ass...

  • Page 595

    Phaser 6280 color laser printer service manual 9-37 parts list parts list 12.2 optional 550-sheet feeder - tray 3 (2 of 5) s6280-028 front 1 3 5 6 7 8 11 10 9 18 17 13 15 15 15 15 16 12 (with 13,17) (j421) (p421) (p423) (p419) (p1) (p420) (p422) (j420) (j422) (j281) (j419) (j4222) (p4222) (p4221) (j...

  • Page 596

    9-38 phaser 6280 color laser printer service manual parts list parts list 12.2 optional 550-sheet feeder - tray 3 (2 of 5) id no. Name/description part number 1. Frame assy option 2. ----- 3. Harness assy feeder unit (j273-j419) 4. ----- 5. Switch assy size option 110k15270 6. Pwba option feeder (tr...

  • Page 597

    Phaser 6280 color laser printer service manual 9-39 parts list parts list 12.3 optional 550-sheet feeder - tray 3 (3 of 5) s6280-029 front 1 (with 3-11,13-16,18,20-29,31,32) 3 32 4 5 6 13 30 14 15 16 16 16 18 20 21 22 29 23 24 25 26 29 28 27 11 tray 3 no paper sensor (p42121) (j42121) (j4212) 8 8 8 ...

  • Page 598

    9-40 phaser 6280 color laser printer service manual parts list parts list 12.3 550-sheet feeder - tray 3 (3 of 5) id no. Name/description part number 1. Feeder assy opt (with 3-11, 13-16, 18, 20-29, 31, 32) 05948273 2. ----- 3. Cover chute 4. Roll assy turn 5. Bearing regi 6. Chute fdr optional 7. B...

  • Page 599

    Phaser 6280 color laser printer service manual 9-41 parts list parts list 12.4 optional 550-sheet feeder - tray 3 (4 of 5) front [ref pl12.5.1] 1 (with 2, pl12.5.1) 2 (with 3,4) 3 4 s6280-030

  • Page 600

    9-42 phaser 6280 color laser printer service manual parts list parts list 12.4 550-sheet feeder - tray 3 (4 of 5) id no. Name/description part number 1. Tray assy 500 opt (with 2, pl12.5.1) 675k47066 2. Tray assy front 550 opt (with 3, 4) 3. Housing base fr 550 4. Handle tray 550 opt.

  • Page 601

    Phaser 6280 color laser printer service manual 9-43 parts list parts list 12.5 optional 550-sheet feeder - tray 3 (5 of 5) 1 (with 2-13,18,19,21-34) 2 8 9 10 13 15 18 19 21 23 22 24 26 27 21 28 29 30 31 34 31 32 33 25 14 16 17 8 11 3 4 6 7 5 s6280-031 12 (with 14-17) front.

  • Page 602

    9-44 phaser 6280 color laser printer service manual parts list parts list 12.5 550-sheet feeder - tray 3 (5 of 5) id no. Name/description part number 1. Tray assy rear 550 (with 2-13, 18, 19, 21-34) 2. Plate assy bottom a4 3. Stopper pb 4. Gear bottom lock oneway 5. Shaft pb a4 6. Gear bottom dmp on...

  • Page 603

    Phaser 6280 color laser printer service manual 9-45 parts list xerox supplies and accessories world kit/documentation description part number world kit 650k30170 consumables and maintenance items parts list reference description part number pl2.2.17 pl3.2.53 pl12.3.17 kit, roll assy feed (100k) 604k...

  • Page 604

    9-46 phaser 6280 color laser printer service manual parts list options parts list reference description part number pl9.1.30 512 mb ddr2 memory (1x 512 mb) 604k48400 pl11.1.1 kit duplex unit 675k47078 pl12.1.1 550-sheet feeder 675k47066, pl12.2-12.5 power cords description part number power cord, no...

  • Page 605

    Phaser 6280 color laser printer service manual 9-47 parts list service kits service kits are developed to provide an easy means to obtain spare parts normally associated with larger assemblies. A number of service kits have been developed for the phaser 6280. The following tables list the contents f...

  • Page 606

    9-48 phaser 6280 color laser printer service manual parts list harness kits parts list reference description part number 99.99.91 kit harness front cover std 675k74250 962k39540 604k38541 604k38541 pl1.2.11 harness assy front cover (j272-p2720, p2721, t4322-t43221) pl1.2.15 harness assy z-x operatio...

  • Page 607: In This Chapter...

    10 chapter plug/jack and wiring diagrams in this chapter... ■ plug/jack diagrams and designators ■ plug/jack locators ■ notations used in the wiring diagrams ■ print engine wiring diagrams ■ optional 550-sheet feeder wiring diagram ■ duplex wiring diagram.

  • Page 608

    10-2 phaser 6280 color laser printer service manual plug/jack and wiring diagrams plug/jack diagrams and designators this chapter contains the plug/jack designators, locators, and wiring diagrams for the print engine and all options. The plug/jack locator diagrams show the p/j locations within the p...

  • Page 609

    Phaser 6280 color laser printer service manual 10-3 plug/jack and wiring diagrams print engine plug/jack designators print engine plug/jack designators p/j map coordinates remarks 3 3 e-138 connects the image processor board and the hard drive. 10 4 j-157 connects the mcu board and if harness. 12 4 ...

  • Page 610

    10-4 phaser 6280 color laser printer service manual plug/jack and wiring diagrams 44 4 e-149 connects the lvps and the interlock harness. 47 4 e-150 connects the lvps and the fuser harness. 48 4 e-150 connects the lvps and ac in harness. J101 3 f-138 connects image processor board and video harness....

  • Page 611

    Phaser 6280 color laser printer service manual 10-5 plug/jack and wiring diagrams 231 2 i-124 connects the regi clutch and the right side harness. 232 2 h-124 connects feeder assembly (ph turn clutch assembly) and the right side harness. 233 2 h-123 connects the feed clutch and the right side harnes...

  • Page 612

    10-6 phaser 6280 color laser printer service manual plug/jack and wiring diagrams duplex plug/jack designators 502 4 f-149 connects the lvps and the top low voltage harness. 503 4 f-149 connects the lvps and the main fan. 504 4 f-149 connects the lvps and the top low voltage harness. 2411 2 f-125 co...

  • Page 613

    Phaser 6280 color laser printer service manual 10-7 plug/jack and wiring diagrams optional feeder plug/jack designators optional feeder plug/jack designators p/j map coordinates remarks 1 6 g-180 not connected (debug only). 281 6 h-183 connects the optional-550 sheet feeder (feeder unit harness) and...

  • Page 614: Plug/jack Locators

    10-8 phaser 6280 color laser printer service manual plug/jack and wiring diagrams plug/jack locators maps 1 through 6 indicate the location of key connections within the printer. Connections are referenced by their p/j designation. 1. “map 1 - electrical and drive” on page 10-9 2. “map 2 - laser uni...

  • Page 615

    Phaser 6280 color laser printer service manual 10-9 plug/jack and wiring diagrams map 1 - electrical and drive a 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 b c d e f g h i j k l s6280-269 220 171 2721 27213 27212 2821 234 251 144 235 2900 241 282 221 201 222 *(cn1) *the cn1 is print...

  • Page 616

    10-10 phaser 6280 color laser printer service manual plug/jack and wiring diagrams map 2 - laser unit, feeder assembly a 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 b c d e f g h i j k l s6280-270 291 314 313 312 311 281 2922 2411 2921 193 151 194 192 233 232 231 191 292 301.

  • Page 617

    Phaser 6280 color laser printer service manual 10-11 plug/jack and wiring diagrams map 3 - image processor board and dispenser a 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 b c d e f g h i j k l s6280-271 161 184 183 141 182 181 5041 29 3 16 111 401 101.

  • Page 618

    10-12 phaser 6280 color laser printer service manual plug/jack and wiring diagrams map 4 - lvps and mcu boards a 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 b c d e f g h i j k l s6280-272 261 *(cn1) 44 502 501 144 482 48 47 504 503 40 483 * the cn1 is printed on the board. 17 16 12 ...

  • Page 619

    Phaser 6280 color laser printer service manual 10-13 plug/jack and wiring diagrams map 5 - duplex unit a 162 163 164 165 166 167 168 169 170 171 172 173 174 175 161 b c d e f g h i j k l s6280-273 1 427 430 431 428 4301 2720 429.

  • Page 620

    10-14 phaser 6280 color laser printer service manual plug/jack and wiring diagrams map 6 - optional 550-sheet feeder a 132 133 134 135 136 137 138 139 140 141 142 143 144 145 131 b c d e f g h i j k l s6280-274 *the cn1 and cn2 are printed on the board. 281 4211 4212 4202 4201 4221 4222 42121 *(cn2)...

  • Page 621

    Phaser 6280 color laser printer service manual 10-15 plug/jack and wiring diagrams notations used in the wiring diagrams the following table lists the symbols used in the wiring diagrams. Symbol description denotes a plug. Denotes a jack. Denotes pin yy and jack yy of the connector pxx and jxx. Deno...

  • Page 622

    10-16 phaser 6280 color laser printer service manual plug/jack and wiring diagrams denotes the control and its outline in the board. Denotes a connection between parts with harness or wires, attached with signal name/ contents. Denotes the function, and logic value of the signal to operate the funct...

  • Page 623

    Phaser 6280 color laser printer service manual 10-17 plug/jack and wiring diagrams denotes a fan denotes an led. Denotes a safety interlock switch. Denotes an on-off switch (single-pole, single- throw switch). Denotes an on-off switch (temperature - normally close). I/l +24 vdc denotes dc voltage wh...

  • Page 624

    10-18 phaser 6280 color laser printer service manual plug/jack and wiring diagrams print engine wiring diagrams wiring diagrams configurations wiring diagram description dc power supply connections of the lvps with the mcu board. Connections of the power switch with the lvps. Connections of the main...

  • Page 625

    Phaser 6280 color laser printer service manual 10-19 plug/jack and wiring diagrams connections of the dispenser (m) with the mcu board. Connections of the dispenser (c) with the mcu board. Connections of the dispenser (k) with the mcu board. Connections of the cru sensor (y) with the mcu board. Conn...

  • Page 626

    10-20 phaser 6280 color laser printer service manual plug/jack and wiring diagrams general wiring diagram pwba mcu pl9.1.20 hvps pl5.1.17 p/j16 p161 main motor main drive assy pl8.1.2 p/j222 p/j22 color mode switching solenoid p/j241 p/j24 color mode switching sensor p/j201 p/j20 sub motor p/j221 p/...

  • Page 627

    Phaser 6280 color laser printer service manual 10-21 plug/jack and wiring diagrams dc power supply mcu board pl9.1.20 power control fan control 1 3 p/j44 i/l +24vdc 1 2 p/j502 1 2 3 p/j503 line nut main fan pl9.1.10 fan +24vdc fan alarm sg i/l +24vdc p/j501 p/j13 +3.3vdc +5vdc 1 2 3 4 7 8 9 10 11 12...

  • Page 628

    10-22 phaser 6280 color laser printer service manual plug/jack and wiring diagrams lvps over-current protection circuit this circuit stops all outputs if the power supply voltage 3.3 vdc, 5 vdc, or 24 vdc is shorted. The circuit is reset, when after the cause of short was removed, the power is turne...

  • Page 629

    Phaser 6280 color laser printer service manual 10-23 plug/jack and wiring diagrams tray 1 (mpt) and registration mcu board pl9.1.20 p/j28 11 12 13 3 2 1 1 2 3 right side harness assembly pl10.1.15 right side harness assembly pl10.1.15 right side harness assembly pl10.1.15 right side harness assembly...

  • Page 630

    10-24 phaser 6280 color laser printer service manual plug/jack and wiring diagrams signal line name description paper empty sensed (l) +3.3 vdc paper detects signal of the tray 1 (mpt) by the photo sensor (tray 1 (mpt) no paper sensor). Regi sensed (l) +3.3 vdc paper detects signal of the registrati...

  • Page 631

    Phaser 6280 color laser printer service manual 10-25 plug/jack and wiring diagrams main drive sg mcu board pl9.1.20 ph drive assembly pl8.1.7 a1 a2 a4 a5 a6 a3 a8 a9 a10 a7 p/j22 p/j221 10 9 8 7 6 5 4 3 2 1 sub motor i/l +24vdc sg i/l +24vdc sg sub moto on sub mot alarm sub mot clk sub mot lo sub mo...

  • Page 632

    10-26 phaser 6280 color laser printer service manual plug/jack and wiring diagrams signal line name description k mode sol on (l) +24 vdc on/off signal of the color mode switching solenoid. K mode sensed (l) +3.3 vdc color mode detects signal of the ph drive assembly by the photo sensor (color mode ...

  • Page 633

    Phaser 6280 color laser printer service manual 10-27 plug/jack and wiring diagrams feeder signal line name description paper size sw 1 on (l) +3.3 vdc on/off signal of the size switch assembly. Paper size sw 2 on (l) +3.3 vdc paper size sw 3 on (l) +3.3 vdc paper empty sensed (l) +3.3 vdc paper dete...

  • Page 634

    10-28 phaser 6280 color laser printer service manual plug/jack and wiring diagrams outline of size switch the paper size is determined by a combination of on/off statuses of the sw 1, sw 2, and sw 3 switches of the size switch. Paper size switches sw 1 sw 2 sw 3 letter (sef) off off on a4 (sef) off ...

  • Page 635

    Phaser 6280 color laser printer service manual 10-29 plug/jack and wiring diagrams laser unit signal line name description ros mot on drives control signal of the laser unit motor. Sos reference signal for scan start of laser. V ref k emits control signal of the laser diode. V ref c v ref m v ref y ...

  • Page 636

    10-30 phaser 6280 color laser printer service manual plug/jack and wiring diagrams xerographic mcu board pl9.1.20 p/j27 1 2 3 4 5 6 7 8 9 10 p/j272 front cover harness assembly pl1.2.11 right side harness assembly pl10.1.15 humidity harness assembly pl10.1.4 right side harness assembly pl10.1.15 bel...

  • Page 637

    Phaser 6280 color laser printer service manual 10-31 plug/jack and wiring diagrams signal line name description clock controls signal of the eeprom belt. Data adc sol on (l) +24 vdc on/off signal of the adc solenoid. Adc sensor toner patch density data measured by the adc sensor (analog value). Led ...

  • Page 638

    10-32 phaser 6280 color laser printer service manual plug/jack and wiring diagrams high voltage signal line name description tr y mon controls signal of the hvps. Tr k mon color data clk mcu board pl9.1.20 p/j16 1 2 3 4 5 6 7 8 hvps pl5.1.17 p/j161* * j161 * p162 * p163 p162-1* p162-2* dbk trk trc t...

  • Page 639

    Phaser 6280 color laser printer service manual 10-33 plug/jack and wiring diagrams developer i/l +24vdc mcu board pl9.1.20 a1 a2 a4 a5 a6 a3 p/j18 p181 6 5 4 3 2 1 j181 1 2 3 4 5 6 pl5.1.12 i/l +24vdc y dispense mot a y dispense mot b y dispense mot xa y dispense mot xb i/l +24vdc i/l +24vdc m dispe...

  • Page 640

    10-34 phaser 6280 color laser printer service manual plug/jack and wiring diagrams signal line name description y dispense mot a drives control signal of the dispenser motor (y). Y dispense mot b y dispense mot xa y dispense mot xb m dispense mot a drives control signal of the dispenser motor (m). M...

  • Page 641

    Phaser 6280 color laser printer service manual 10-35 plug/jack and wiring diagrams fuser mcu board pl9.1.20 p/j17 p/j171 12 11 10 9 8 7 sg 6 5 4 3 2 1 2 3 4 5 6 7 8 9 10 11 12 13 1 12 11 10 9 8 7 6 5 4 3 2 sts 3 1 n heat1 1 2 3 1 2 3 line vc vd sg fuser exit sensed (l) +3.3vdc fuser harness assembly...

  • Page 642

    10-36 phaser 6280 color laser printer service manual plug/jack and wiring diagrams signal line name description clk controls signal of the eeprom fuser. Data heat roll surface temperature data measured by the temperature sensor for detecting high temperature (analog value). Vc temperature data measu...

  • Page 643

    Phaser 6280 color laser printer service manual 10-37 plug/jack and wiring diagrams controller image processing board pl9.1.27 p/j101 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 p/j29 7 6 5 4 3 2 1 p/j401 1 2 3 4 p/j10 test print if harness assembly pl10.1.18 if harness assembly pl10.1.18 top lv harness a...

  • Page 644

    10-38 phaser 6280 color laser printer service manual plug/jack and wiring diagrams signal line name description test print controls signal for the test print mode. Deep sleep controls signal for the deep sleep mode. Sts status signal transmitted from the mcu board to the image processor board. Cmd c...

  • Page 645

    Phaser 6280 color laser printer service manual 10-39 plug/jack and wiring diagrams optional 550-sheet feeder wiring diagram mcu board pl9.1.20 p/j28 1 2 3 4 5 6 7 8 9 10 p/j281 feeder unit harness assembly pl12.2.3 right side harness assembly pl10.1.15 p/j419 10 9 8 7 6 5 4 3 2 1 10 9 8 7 6 5 4 3 2 ...

  • Page 646

    10-40 phaser 6280 color laser printer service manual plug/jack and wiring diagrams outline of optional size switch the paper size is determined by a combination of the on/off statuses of the sw 1, sw 2, and sw 3 switches of the size switch assembly. Signal line name description tray sen controls sig...

  • Page 647: Duplex Wiring Diagram

    Phaser 6280 color laser printer service manual 10-41 plug/jack and wiring diagrams duplex wiring diagram mcu board pl9.1.20 p/j27 12 13 14 15 16 17 18 19 20 p/j272 p/j2720 front cover harness assembly pl1.2.11 duplex unit harness assembly pl11.1.18 txd rxd +3.3vdc sg i/l +24vdc i/l +24vdc sg sg p/j4...

  • Page 648

    10-42 phaser 6280 color laser printer service manual plug/jack and wiring diagrams signal line name description txd controls signal of the duplex board. Rxd dup mot a drives control signal of the duplex motor. Dup mot b dup mot xa dup mot xb dup in sensed (l) +3.3 vdc paper detects signal of the dup...

  • Page 649: Contents...

    A appendix reference contents... ■ phaser 6280 menu map ■ firmware update ■ telnet ■ printer chain link codes ■ acronyms and abbreviations.

  • Page 650: Phaser 6280 Menu Map

    A-2 phaser 6280 color laser printer service manual reference phaser 6280 menu map billing meters admin menu information pages requires: power saver off ok cancel walk-up features* menu map demo page configuration pcl fonts list pcl macro list ps fonts list job history error history print meter store...

  • Page 651: Firmware Update

    Phaser 6280 color laser printer service manual a-3 reference firmware update boot controller update note boot code can be updated via usb port only. 1. Down load applicable files from the xerox support web site. 2. Turn off the printer. 3. Ensure the printer is connected with the computer via a usb ...

  • Page 652

    A-4 phaser 6280 color laser printer service manual reference firmware controller update 1. Down load the applicable files from the xerox support web site. 2. Ensure your appropriate downloading cable option (ethernet or usb) is connected. 3. Reboot the printer. 4. On your computer, locate the downlo...

  • Page 653

    Phaser 6280 color laser printer service manual a-5 reference firmware mcu update 1. Down load the applicable files from the xerox support web site. 2. Ensure your appropriate downloading cable option (ethernet or usb) is connected. 3. Reboot the printer. 4. On your computer, locate the downloaded fi...

  • Page 654: Telnet

    A-6 phaser 6280 color laser printer service manual reference telnet 1. Open a command prompt window. 2. Type telnet . 3. A password prompt is displayed. Press the enter key (no password). 4. A menu is displayed. 5. Select the appropriate option from the menu to perform the task. Main menu 1. Set tcp...

  • Page 655: Printer Chain Link Codes

    Phaser 6280 color laser printer service manual a-7 reference printer chain link codes the chain link codes in the table below may not require troubleshooting procedures and or do not have procedures. These chain link codes may appear as an information when the printer operates. Error message and cha...

  • Page 656: Acronyms and Abbreviations

    A-8 phaser 6280 color laser printer service manual reference acronyms and abbreviations acronym description 3tm three tray module a3 paper size 297 millimeters (11.69 inches) x 420 millimeters (16.54 inches). A4 paper size 210 millimeters (8.27 inches) x 297 millimeters (11.69 inches). A5 paper size...

  • Page 657

    Phaser 6280 color laser printer service manual a-9 reference dc direct current is type of power for printer components. Machine converts ac power from power source to dc power. Ddns dynamic domain name system ddr2 dimm double data rate dual in-line memory module dev/deve developer dhcp dynamic host ...

  • Page 658

    A-10 phaser 6280 color laser printer service manual reference hz hertz (cycles per second) ibt intermediate belt transfer ic integrated circuit idt intermediate drum transfer iec international electrotechnical commission i/f interface iot image output terminal - the ros/xerox/paper handling/ fusing ...

  • Page 659

    Phaser 6280 color laser printer service manual a-11 reference na north america ncs non-contact sensor npp no paper nvm non-volatile memory nvram non-volatile random access memory oem original equipment manufacturer ohp overhead paper (transparency) opc organic photo conductor opt optional os operati...

  • Page 660

    A-12 phaser 6280 color laser printer service manual reference sef short-edge feed slp service location protocol smb server message block snmp simple network management protocol snr sensor sol solenoid sos start of scan sts soft touch sensor tdc toner density control telnet telecommunication network ...

  • Page 661: Index

    Phaser 6280 color laser printer service manual i – 1 index numerics 550-sheet feeder connector location, 10-14 description, 1-10 operation, 2-44 part number, 9-36, 9-46 process diagram, 2-73 removal, 8-100 troubleshooting, 3-130 wiring diagram, 10-39 a abbreviations error messages, 3-5 phaser 6280, ...

  • Page 662

    I – 2 phaser 6280 color laser printer service manual d dc power troubleshooting, 4-71 wiring diagram, 10-21 demo page, 1-30 developer wiring diagram, 10-33 dispenser connector location, 10-11 location, 2-33 operation, 2-33, 2-67 part number, 9-21 removal, 8-56 wiring diagram, 10-33 drive assembly co...

  • Page 663

    Phaser 6280 color laser printer service manual i – 3 f fan duplex fan location, 2-43 troubleshooting, 4-63 wiring diagram, 10-41 main fan location, 2-37 operation, 2-38 part number, 9-29 removal, 8-82 wirind diagram, 10-21 motor error, 3-111, 3-114 troubleshooting, 4-46 fasteners precautions, 8-7 sc...

  • Page 664

    I – 4 phaser 6280 color laser printer service manual interlock switch location, 2-37 operation, 2-38 troubleshooting, 4-31, 4-73 wiring diagram, 10-21 internal print page configuration page, 1-31 demo page, 1-30 error history, 1-34 fonts list, 1-33 job history, 1-33 pcl macro list, 1-33 print meter,...

  • Page 665

    Phaser 6280 color laser printer service manual i – 5 mcu board communication error, 3-108 connector location, 10-12 firmware error, 3-106 location, 2-37 nvram error, 3-109 operation, 2-41 part number, 9-29 removal, 8-86 memory location, 2-40 maximum, 1-15 minimum, 1-15 out of memory error, 3-97 part...

  • Page 666

    I – 6 phaser 6280 color laser printer service manual parameter service diagnostics menu, 4-22 setting, 6-6 power cord part number, 9-46 power on self test (post) chain link, 4-3 description, 4-3 error display, 4-3 process, 4-3 type of tests, 4-3 power requirements, 1-15 power saver mode, 1-15 power ...

  • Page 667

    Phaser 6280 color laser printer service manual i – 7 resources, 4-86 retard roll tray 2 operation, 2-17 part number, 9-13 removal, 8-29 tray 3 location, 2-44 operation, 2-44 removal, 8-111 right side cover part number, 9-7 removal, 8-13 s screw types, 8-6 secure print, 1-26 sensor, 2-59 adc, 2-30 cr...

  • Page 668

    I – 8 phaser 6280 color laser printer service manual transfer unit components, 2-30 connector location, 10-9 crum error, 3-73 insert transfer unit error, 3-70 operation, 2-9, 2-30 part number, 9-19, 9-45 ready life error, 3-74 removal, 8-8 replace transfer unit error, 3-72 wiring diagram, 10-30 tray...

  • Page 669

    Phaser 6280 color laser printer service manual i – 9 feeder assembly part number, 9-36, 9-40 removal, 8-107 wiring diagram, 10-14 no paper sensor connector location, 10-14 operation, 2-49 part number, 9-40 troubleshooting, 4-36 wiring diagram, 10-39 operation, 2-44 part number, 9-42 retard roll loca...

  • Page 670

    I – 10 phaser 6280 color laser printer service manual.

  • Page 672

    Copyright © 2008, xerox corporation. All rights reserved. Unpublished rights reserved under the copyright laws of the united states. Part#: 701p48435.