1. DL manuals
  2. Xerox
  3. Printer
  4. 6250N - Phaser Color Laser Printer
  5. Service Manual

Xerox 6250N - Phaser Color Laser Printer Service Manual

Manual is about: Service Manual

Summary of 6250N - Phaser Color Laser Printer

  • Page 1

    Service manual p h a s e r ® c o l o r l a s e r p r i n t e r 6250

  • Page 2

    Manuals4you.Com manuals4you.Com.

  • Page 3: Phaser

    Phaser ® 6250 color laser printer service manual 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. First prin...

  • Page 4

    As an energy star ® partner, xerox corporation has determined that this product meets the energy star guidelines for energy efficiency. The energy star name and logo are registered u.S. Marks..

  • Page 5: Service Terms

    Iv phaser 6250 color printer 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 used, and always read...

  • Page 6

    Service manual v symbols marked on the product danger high voltage. Protective ground (earth) symbol. Hot surface on or in the printer. Use caution to avoid personal injury. The surface is hot while the printer is running. After turning off the power, wait 30 minutes. Avoid pinching fingers in the p...

  • Page 7: Power Safety Precautions

    Vi phaser 6250 color printer power safety precautions power source for 110 vac printers, do not apply more than 140 volts rms between the supply conductors or between either supply conductor and ground. Use only the specified power cord and connector. For 220 vac printers, do not apply more than 264...

  • Page 8

    Service manual vii electrostatic discharge (esd) 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 integrated circuits (lsis), fie...

  • Page 9: Service Safety Summary

    Viii phaser 6250 color printer service safety summary general guidelines for qualified service personnel only: refer also to the preceding power safety precautions. Avoid servicing alone: do not perform internal service or adjustment of this product unless another person capable of rendering first a...

  • Page 10: Servicing Fuser Components

    Service manual ix servicing electrical components before starting any service procedure, switch off the printer power 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. Warning turning the power off by u...

  • Page 11: Regulatory Specifications

    X phaser 6250 color printer regulatory specifications federal communications compliance the equipment described in this manual generates and uses radio frequency energy. If it is not installed properly in strict accordance with xerox instructions, it may cause interference with radio and television ...

  • Page 12: Declaration of Conformity

    Service manual xi declaration of conformity xerox corporation, declares, under our sole responsibility that the printer to which this declaration relates, is in conformity with the following standards and other normative documents: in the european union following the provisions of the low voltage di...

  • Page 13

    Xii phaser 6250 color printer this product, if used properly in accordance with the user's instructions is neither dangerous for the consumer nor for the environment. A signed copy of the declaration of conformity for this product can be obtained from xerox. Line voltage drop-out iec61000-4-11:1994 ...

  • Page 14: 1 General Information

    Service manual xiii contents service terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Iv symbols marked on the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . V power safety precautions . . . . . . . . . . . . . . . . . . . . ...

  • Page 15: 3 Error Messages and Codes

    Xiv phaser 6250 color printer major assemblies and functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16 frame and drive assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16 main drive assembly - transmission route . . . . . . . . . . . . . . . 2-17 gear layout -...

  • Page 16

    Service manual xv install or reseat imaging unit . . . . . . . . . . . . . . . . . . . . . . . . . . 3-37 replace imaging unit or imaging unit is near end of life. . . . . . . . . . . . . . . . . . . . . . 3-38 install or reseat transfer roller. . . . . . . . . . . . . . . . . . . . . . . . . 3-39 r...

  • Page 17: 4 General Troubleshooting

    Xvi phaser 6250 color printer 4 general troubleshooting introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 printer status page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 power-up modes . . . . . . . . . . . . ....

  • Page 18: 7 Cleaning and Maintenance

    Service manual xvii missing band, voids or streaks in a single color or all colors parallel to the leading edge. . . . . . . . . . . . . . . 5-16 missing band, voids or streaks in a single color or all colors in direction of paper travel . . . . . . . . . . . . . . . 5-18 repeating and/or random spo...

  • Page 19

    Xviii phaser 6250 color printer rear cover (pl 1.1.20) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12 left and right links (pl 1.1.23) . . . . . . . . . . . . . . . . . . . . . . . . 8-13 tray 1 (mpt) (pl1.1.99) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14 fro...

  • Page 20

    Service manual xix tray 1 shaft (pl 6.1.28). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-60 tray 1 bottom plate (pl 6.1.42). . . . . . . . . . . . . . . . . . . . . . . . . 8-61 chute assembly exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-62 c...

  • Page 21: 9 Parts List

    Xx phaser 6250 color printer optional high capacity feeder disassembly . . . . . . . . . . . . . . . . . . . . 8-111 cover front (pl14.2.4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-111 cover, right (pl14.2.1) and cover, left (pl14.2.3) . . . . . . . . 8-112 turn chute assembly (...

  • Page 22: 10 Wiring Diagrams

    Service manual xxi pl 7.1 chute assembly exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-22 pl 8.1 transfer roller & fuser assembly (rmis) . . . . . . . . . . . 9-24 pl 9.1 xerographics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-26 pl 10.1 holder toner cartri...

  • Page 23: A Appendix

    Xxii phaser 6250 color printer printer options wiring diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-27 high capacity feeder main wiring diagram. . . . . . . . . . . . . . . 10-27 drive section (hcf) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-28 paper ...

  • Page 24: In This Chapter...

    1 chapter general information in this chapter... ■ printer introduction and overview ■ printer configurations ■ parts of the printer ■ phaser 6250 front panel configuration ■ image processor board ■ routine maintenance items ■ printer specifications.

  • Page 25: Capacity Feeder

    1-2 phaser 6250 color laser printer service manual printer introduction and overview the xerox phaser ® 6250 color laser printer service manual is the primary document used for repairing, maintaining, and troubleshooting the printer. To ensure complete understanding of this product, participation in...

  • Page 26

    General information 1-3 a replaceable “configuration chip” holds configuration information that enables or disables built-in features as described below. Features printer configuration 6250b 6250n 6250dp 6250dt 6250dx max print speed 26 26 26 26 26 memory (mbytes) 128 256 256 512 512 postscript font...

  • Page 27

    1-4 phaser 6250 color laser printer service manual printer memory and ram capabilities the printer features two slots that accept 64, 128, and 256 mbytes of sdram. All combinations are allowed for 64, 128, 256, 320, 384, and 512 mbytes. Memory modules must have the following characteristics: ■ pc133...

  • Page 28: Parts of The Printer

    General information 1-5 parts of the printer exterior 1. Top cover (output tray) 6. High-capacity feeder with tray 3 and tray 4 2. Control panel (front panel) 7. Door latch b 3. Front cover 8. Door latch a 4. Tray 1 (multi-purpose tray) 9. Power on/off switch 5. Tray 2 (universal paper tray) 6250-02...

  • Page 29: Led Indicators:

    1-6 phaser 6250 color laser printer service manual phaser 6250 front panel configuration the front panel contains one tricolor led, a display window and six function buttons. These buttons navigate the menu system shown in the display window, perform various functions, and select modes of operation ...

  • Page 30: Rear View

    General information 1-7 rear view rear panel configuration interfaces ■ ieee 1284 parallel ■ ethernet 10baset and 100tx ■ usb 1. Top cover 5. Paper tray rear cover 2. Toner cartidges 6. Usb connector 3. Ac power connector 7. Ethernet 10baset and 100tx connector 4. Image processor board 8. Ieee 1284 ...

  • Page 31: Image Processor Board

    1-8 phaser 6250 color laser printer service manual image processor board the components identified in the following figure need to be transferred from the old board to the new board when installing a new image processor board in the printer. Data stored in the nvram can be transferred to the new boa...

  • Page 32: Routine Maintenance Items

    General information 1-9 routine maintenance items a printer part or assembly that has a limited life, and requires periodic replacement. Consumables consumables consist of the four toner cartridges used in the printer. 1. Transfer roller 3. Fuser assembly 2. Imaging unit 6250-020 1 2 3 6250-495.

  • Page 33

    1-10 phaser 6250 color laser printer service manual consumable life counter behavior internal counters track consumables and routine maintenance items life usage and store the values in nvram. The image processor board monitors these counters in order to display the near end-of-life and end-of-use m...

  • Page 34: Printer Specifications

    General information 1-11 printer specifications physical dimensions and clearances print engine dimensions value height: 445 mm (17.52 in.) width: 439 cm (17.28 in.) depth: 638 mm (25.12 in.) weight: approximately 36.5 kg (80.5 lb.) print engine approximately 56.5 kg (124.5 lb.) with paper tray(s) i...

  • Page 35: Functional Specifications

    1-12 phaser 6250 color laser printer service manual functional specifications functional specifications characteristic specification printing process imaging system - 4-tandem drums, electro-photographic system using intermediate drum transfer rolls (idts). Exposure system - semiconductor laser, sim...

  • Page 36: Electrical Specifications

    General information 1-13 electrical specifications environmental specifications first print-out (in seconds) (letter/a4) (printer in ready state) mode tray 1 tray 2 tray 3 tray 4 simplex, 600 dpi 14.5 15 16.5 18 duplex, 600 dpi 23 23.5 25 26.5 simplex, half-speed 23.5 24.5 27.5 30.5 duplex, half-spe...

  • Page 37

    1-14 phaser 6250 color laser printer service manual media and tray specifications specification trays printable area minimum margins = 5 mm (0.2 in.) on all sides maximum paper size = 215.9 mm x 355.6 mm (8.5 in. X 14 in.) minimum paper size = 88.9 mm x 139.7 mm (3.5 in. X 5.5 in.) all trays support...

  • Page 38

    General information 1-15 note for duplex configured printers, auto duplex operation is available through tray 1 (mpt) and trays 2, 3, and 4. Refer to the paper tips page for information on which paper types can be used for duplex printing. Speciality media phaser 25-series premium transparencies let...

  • Page 39

    1-16 phaser 6250 color laser printer service manual.

  • Page 40: In This Chapter...

    2 chapter theory of operation in this chapter... ■ overview ■ printer controls ■ paper path of the printer ■ major assemblies and functions.

  • Page 41: Printer Theory of Operation

    2-2 phaser 6250 color laser printer service manual overview of the phaser 6250 color laser printer theory of operation summary of the printing process the phaser 6250 color laser printer is a ‘full-color laser printer’, that utilizes electrophotographic recording principals to place a full color ima...

  • Page 42

    Theory of operation 2-3 surface is attracted by the high positive potential and transfers to idt1. During this transfer, the remaining negative charge on the drum is neutralized by the high positive charge on idt1. 5. Secondary transfer (idt1 --> idt2): the toner images formed on both idt1 surfaces ...

  • Page 43

    2-4 phaser 6250 color laser printer service manual printing process components drum y charged with electricity drum m drum c drum k transfer roller ( idt1 → idt2) 6250-024 (1) exposure (2) secondary transfer (5) ( idt2 → paper) tertiary transfer (7) (6) (8) (6) develop- ment (3) cleaning ( idt1) cle...

  • Page 44: Print Modes

    Theory of operation 2-5 print modes there are three print modes: draft mode, enhanced mode, and photo mode. These are based on the resolution (600 dpi or 2400 dpi) and, depending on the media type, can also be affected by process speed (full speed/half speed/one-third speed). ■ draft mode: 600 x 600...

  • Page 45: Process Control

    2-6 phaser 6250 color laser printer service manual selective control; paper pick unless changed in printer setup, the default tray is tray 2. Trays in the optional high- capacity feeder are identified as tray 3 and tray 4. The tray in the optional 500-sheet feeder is identified as tray 3. Laser ligh...

  • Page 46: Toner Density Control

    Theory of operation 2-7 bias control operates as follows: 1. The temperature/humidity sensor sets the target values of the drum charging voltage and biasing dc voltage. 2. Bias control test patches (see the adjacent figure for patch configuration) of each of the four toner colors (yellow, magenta, c...

  • Page 47: High-Area Coverage Mode

    2-8 phaser 6250 color laser printer service manual if toner density is too great (excess toner) and 16 dispense counts are required to subtract this amount, the adjustment is accomplished by subtracting 2 counts from the calculated pcdc count over each of the subsequent 8 prints. If the excess amoun...

  • Page 48: 1. Light Density Setting

    Theory of operation 2-9 depending on the transfer roller surface condition or dirty condition of ctd (adc) sensor surface. The light density emitted from the led is controlled so that the reflected light density meets the specified value. This control is implemented in two ways: ■ sets the light den...

  • Page 49

    2-10 phaser 6250 color laser printer service manual +n of this control is outlined below: 1. With no toner on the transfer roller, the output value of sensor, ctd (adc) is measured to determine the threshold value. 2. Patches for color registration control are generated on the transfer roller. These...

  • Page 50

    Theory of operation 2-11 transfer roller assembly control detecting the installation of the transfer roller assembly although there is no seperate sensor for this, the output of the ctd sensor is used to detect installation or absence of the transfer roller when power to the printer is turned on, or...

  • Page 51: Toner Control

    2-12 phaser 6250 color laser printer service manual toner control toner cartridge installation is detected by the toner present (ctg-in) switch, and the presence of toner is detected by the toner low sensor. These switches and sensors are provided for each toner color (cmyk), and detection is made f...

  • Page 52: Fuser Control

    Theory of operation 2-13 fuser control fuser temperature control during fuser temperature control the printer’s target temperature is set. The heat roller surface temperature is controlled to match the target temperature by turning the heater lamp on/off. The heat roller surface temperature is detec...

  • Page 53: Paper Path of The Printer

    2-14 phaser 6250 color laser printer service manual paper path of the printer : laser beam : paper path : paper sensors turn roll assy (t2) turn chute assy (t2) turn chute assy (t3) feed roll assy retard roller turn roll registration roll metal roll duplex roller transfer roller fuser assy mid roll ...

  • Page 54: Paper Path Route

    Theory of operation 2-15 paper path route 6250-493 paper tray 4 paper feed by "paper pick assy (t4)" paper tray 3 paper tray 2 tray 1 (mpt) paper feed by "tray1 feed roller" and "paper feed (retard) roller" paper transfer by "turn roll" and "pinch roll" paper feed by "paper pick assy (t3)" paper tra...

  • Page 55: Frame and Drive Assemblies

    2-16 phaser 6250 color laser printer service manual major assemblies and functions the following section details all major components of the printer and their relative functions. Frame and drive assemblies 1. Developer drive assembly : supplies the drive to the imaging unit developer. 2. Main drive ...

  • Page 56

    Theory of operation 2-17 main drive assembly - transmission route main drive assy clutch assy turn roll assy turn gear idller feed gear feed h1 roll assy feed paper feeder chute regi regi.Clutch clutch turn roll turn housing assy retard gear msi roll assy feed chute assy out imaging unit idt1 (2) id...

  • Page 57

    2-18 phaser 6250 color laser printer service manual gear layout - print engine and tray 1 the drawing below shows the location of the various components specified in the transmission route block diagram on the preceding page. 1. Retard housing 9. Turn clutch assembly 2. Tray 1 gear 10. Gear idler fe...

  • Page 58: Paper Tray 2

    Theory of operation 2-19 paper tray 2 1. Paper (retard) feed roller: the paper retard feed roller prevents more than 1 sheet at a time from printing. The paper feed retard roller and the paper feed nudge roller are interchangeable parts in all trays. 2. Side guides right and left: the side guides mo...

  • Page 59: Paper Feed - Tray 2

    2-20 phaser 6250 color laser printer service manual paper feed - tray 2 1. Temperature/humidity sensor: detects temperature and humidity inside the printer to adjust the charge voltage (the voltage supplied to the transfer roller and the developing bias). 2. No paper sensor: detects presence or abse...

  • Page 60

    Theory of operation 2-21 8. Gear idler feed: see paper pick rollers. 9. Feed solenoid: controls the operation (rotation/stop) of the feed roller assembly by controlling the rotations of the gear feed. 10. Low paper sensor: the actuator lowers as print media is used in the tray. When the actuator low...

  • Page 61: 500-Sheet Feeder Tray 3

    2-22 phaser 6250 color laser printer service manual 500-sheet feeder tray 3 note tray 2 paper pick assembly has a different part number than the 500-sheet feeder, tray 3 paper pick assembly. 5t3 2t3 9t3 4t3 3t3 12t3 6250-405 11t3.

  • Page 62

    Theory of operation 2-23 1. Hcf feeder circuit board: controls the paper pick-up operation of each tray based on communication with the engine control board and information from the sensors and switches. Major functions: ■ communicates with the engine control board. ■ receives information transmitte...

  • Page 63

    2-24 phaser 6250 color laser printer service manual 1. 500-sheet feeder circuit board: controls the paper pick-up operation of tray 3 based on communication with the engine control board and information from the sensors and switches. Major functions: ■ communicates with the engine control board. ■ r...

  • Page 64

    Theory of operation 2-25 hcf drive and gears - transmission route drive assy feeder gear idler in gear idler gear idler in gear idler gear idler gear idler feed gear feed h1 gear feed1 clutch assy turn pick up assy t3 gear idler feed gear feed h1 gear feed1 pick up assy t4 clutch assy turn front 625...

  • Page 65

    2-26 phaser 6250 color laser printer service manual 500-sheet feeder drive and gears - transmission route 6250-404 drive assy feeder single gear idler in gear idler gear idler feed gear feed h1 gear feed1 clutch assy turn pick up assy t3 front drive assy feeder single 6250-403 pick up assy 2t gear i...

  • Page 66: Retard Housing Assembly

    Theory of operation 2-27 retard housing assembly 1. Roll turn: the roll turn is rotated by the main drive assembly, through the turn clutch to feed paper from tray 1 to the registration chute, (registration roll - see “xerographics” on page 2-35.). 2. Turn clutch: transfers drive energy from the mai...

  • Page 67: Chute Assembly In

    2-28 phaser 6250 color laser printer service manual chute assembly in 1. Ctd (adc) sensor: detects the presence of the transfer roller and monitors the density of toner on the surface of the transfer roller then feeds it back to the process control. 2. Fuser assembly: see “transfer roller and fuser ...

  • Page 68: Chute Assembly Out

    Theory of operation 2-29 chute assembly out 1. Full stack (output tray full) sensor: detects a full output tray (over accumulation of print media) by the position of the actuator. This is only checked when the paper is feeding into the exit. 2. Duplex jam sensor: detects when print media has reached...

  • Page 69: Chute Assembly Exit

    2-30 phaser 6250 color laser printer service manual tray 1. After rotating one turn, the tray 1 gear and the gear idler are disengaged, the drives and feed roll stop, allowing only one sheet of paper to be fed through at a time. 7. Tray1 no paper sensor: actuator detects whether print media is prese...

  • Page 70

    Theory of operation 2-31 duplex motor drive and gear - transmission route 1. Chute assy out 4. Gear 40/42 7. Motor duplex 10. Gear 42 2. Chute assy exit 5. Gear roll 8. Gear 48 11. Gear 30 3. Gear 48 6. Gear roll 9. Gear 40/42 duplex motor assy gear roll exit roll gear roll mid roll gear 30 duplex r...

  • Page 71

    2-32 phaser 6250 color laser printer service manual chute assembly registration (regi) 1. Registration roller (rubber): receives drive energy from the main drive assembly through the registration clutch. Works with the registration metal roller to correct media skew and transport the media from pape...

  • Page 72

    Theory of operation 2-33 transfer roller and fuser assembly 1. Fuser assembly: using heat and pressure, the fuser assembly fixes the transferred toner onto print media. Parts of the fuser assembly: 2. Exit sensor: detects passage of the print media after fusing. 3. Fuser fan: cools the fuser assembl...

  • Page 73

    2-34 phaser 6250 color laser printer service manual fuser drive assembly - transmission route fuser drive assy heat roll fuser assy gear exit exit roll assy 6250-049.

  • Page 74: Xerographics

    Theory of operation 2-35 xerographics 1. Imaging unit: the imaging unit carries out the operations of the printing process, such as charging, developing, and primary transfer. The imaging unit consists of the following parts: 2. Laser unit: the laser unit receives image data and generates laser beam...

  • Page 75

    2-36 phaser 6250 color laser printer service manual imaging unit charge voltage contacts 1. Charge voltage 2. Developer voltage 3. Idt2 voltage 4. Idt2 refresher/cleaner 5. Idt1 voltage 6. Idt1 refresher/cleaner 7. Drum refresher/cleaner 8. Drum ground contacts 6250-072 1 2 3 7 8 4 5 6.

  • Page 76

    Theory of operation 2-37 imaging unit - left side view 1. Idt2 2. Idt2 refresher/cleaner 3. Idt1 4. Idt1 refresher/cleaner 5. Drum refresher/cleaner 6. Developer 7. Charge roller 6250-073 7 6 5 4 3 2 1.

  • Page 77: Toner Cartridge Assembly

    2-38 phaser 6250 color laser printer service manual toner cartridge assembly 1. Sub-high voltage power supply board: supplies high-voltage to the transfer roller and the detack saw for the ‘tertiary transfer’ and ‘static elimination’ part of the printing process. 2. Crum reader: the customer replace...

  • Page 78

    Theory of operation 2-39 toner cartridge assembly - cont’d 1. Agitator assembly 2. Toner motor 3. Auger assembly 4. Auger tube 6250-071 4 3 1 2.

  • Page 79

    2-40 phaser 6250 color laser printer service manual toner motor drive assembly - transmission route developer assembly transmission route 6250-051 toner cartridge holder assy toner motor gear toner cartridge gear auger auger film agitator 6250-048 developer drive assy imaging unit developer (y) deve...

  • Page 80: Electrical

    Theory of operation 2-41 electrical 1. Engine control board: controls printing operation based on the communication with the image processor board and input from the sensors and switches. Incorporates functions of the high-voltage power supply. Major functions: ■ communicates with the image processo...

  • Page 81

    2-42 phaser 6250 color laser printer service manual major functions: ■ receives information from the sensors and switches. ■ controls the motor in the main drive assembly, developer drive assembly, fuser drive assembly, duplex motor assembly and the holder toner cartridge motor assembly. ■ distribut...

  • Page 82: In This Chapter...

    3 chapter error messages and codes in this chapter... ■ introduction ■ servicing instructions ■ service diagnostics ■ error messages and codes troubleshooting procedures table.

  • Page 83: Introduction

    3-2 phaser 6250 color laser printer service manual introduction this section provides troubleshooting information related to the phaser 6250 color laser printer’s front panel error messages and codes. Only jams and fatal errors will produce an associated numeric code. Error messages and codes are ge...

  • Page 84: Servicing Instructions

    Error messages and codes 3-3 servicing instructions the service flowchart 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 problem does exist. Verify failure symptoms/beha...

  • Page 85

    3-4 phaser 6250 color laser printer service manual using the troubleshooting procedures 1. Each step in a troubleshooting procedure instructs you to perform a certain action or procedure. The steps are to be followed sequentially in the order given until the problem is fixed or resolved. 2. The acti...

  • Page 86: Voltage Measurements

    Error messages and codes 3-5 6. Before measuring voltages make sure the printer is switched on, the imaging unit and the paper trays are in place, and the interlock switches are actuated, unless a troubleshooting procedure instructs otherwise. 7. All voltage values given in the troubleshooting proce...

  • Page 87: Service Diagnostics

    3-6 phaser 6250 color laser printer service manual service diagnostics the phaser 6250 color laser printer has built-in diagnostics to aid in troubleshooting problems with the printer. The service diagnostics menu provides a means to test sensors, motors, switches, clutches, fans and solenoids. Diag...

  • Page 88

    Error messages and codes 3-7 service diagnostic front panel button descriptions button function back returns to the prior higher level menu structure, if available. If help text is displayed on the front panel, pressing back will restore the current menu item and remove the help text. Cancel termina...

  • Page 89: Diagnostic Menu Map

    3-8 phaser 6250 color laser printer service manual diagnostic menu map phaser® 6250 service diagnostic menu map print service menu map prints a service diagnostic menu map and exits service diagnostics. General status provides the following print engine status. Status engine board rom version printe...

  • Page 90: Service Diagnostic Tests

    Error messages and codes 3-9 service diagnostic tests test front panel display and test definition print service menu map - prints the service diagnostics menu map and exits service diagnostics. General status - provides the following print engine status: status note this is current status since ent...

  • Page 91

    3-10 phaser 6250 color laser printer service manual blank page print continuously prints blank pages until stopped by the user. See "front panel test prints" on page 5-4, "adjustments" on page 6-3, and "resetting nvram" on page 6-4, for specific test print information. Standard test print continuous...

  • Page 92

    Error messages and codes 3-11 developer motor caution: do not allow this motor to run any longer than necessary to verify operation. Normal speed half speed one third speed audible verification of motor functionality. Caution: only run the developer motor test once per power cycle to avoid excessive...

  • Page 93

    3-12 phaser 6250 color laser printer service manual exit sensor sensor is: off sensor is: on actuate/de-actuate the exit actuator (pl8.1.7) located in the fuser to toggle the sensor state. Duplex sensor sensor is: off sensor is: on actuate/de-actuate the duplex actuator (pl6.1.13) located on the chu...

  • Page 94

    Error messages and codes 3-13 tray 2 low paper tray 3 low paper tray 4 low paper size: xxxx paper is not low paper is low move the rear guide in the paper tray to the desired paper size and verify the sensor output matches the paper size selected. Insert and fill tray [2] [3] [4] with paper to the f...

  • Page 95

    3-14 phaser 6250 color laser printer service manual ohp sensor ohp absence of media paper reports “paper” if opaque media is present. Reports “ohp or absence of media if ohp or no media is present. Manually insert a sheet of paper backwards through the registration chute assembly (pl9.1.6) until the...

  • Page 96

    Error messages and codes 3-15 tray 1 (mpt) feed solenoid tray 2 feed solenoid tray 3 feed solenoid tray 4 feed solenoid solenoid is: on solenoid is: off audible verification of the solenoid function. Maintenance - cleans the intermediate transfer unit within the imaging unit. Clean imaging unit idt ...

  • Page 97

    3-16 phaser 6250 color laser printer service manual jam history error codes table jam history, located in the troubleshooting/service tools menu on the front panel, uses a two field format. The first field represents the jam location. The second field indicates the page count when the jam occurred. ...

  • Page 98: Jam Errors

    Error messages and codes 3-17 error messages and codes summary table error type front panel message help text/code jam errors jam at fuser jam f/152 jam at duplex jam d/153 jam at registration roller jam rr/154 misfeed at tray 1 (mpt) jam t1/155 misfeed at tray 2 jam t2/156 misfeed at tray 3 jam t3/...

  • Page 99: Media Mismatch Errors

    3-18 phaser 6250 color laser printer service manual media mismatch errors wrong paper size/load tray 1 (mpt) with [size] [type] wrong paper size/load tray [2] [3] [4] with [size] [type] fatal error messages and codes laser failure 07, 08, 09, 10, 11 density sensor failure or low density failure 13, ...

  • Page 100: Jam Errors

    Error messages and codes 3-19 jam errors jam at fuser: jam f ■ reseat the fuser. ■ remove the fuser and check for any obstructions, media or debris. ■ cycle printer power. ■ if the problem persists, follow the procedure below. Warning to avoid the potential of electric shock, ensure the power to the...

  • Page 101

    3-20 phaser 6250 color laser printer service manual 6 insert a sheet of paper into the fuser assembly. Verify the voltage on the fuser harness p138-3 p138-2 is 0vdc. Go to step 8. Go to step 7. 7 check all pins on the fsr 2 (fuser) harness assembly pl5.1.10 for continuity. Go to step 8. Replace the ...

  • Page 102: Jam At Duplex: Jam D

    Error messages and codes 3-21 jam at duplex: jam d ■ check for any obstructions or debris in the duplexer or paper path. ■ cycle printer power ■ if the problem persists, follow the procedure below. Troubleshooting reference table applicable parts wiring and plug/jack map references duplex sensor, pl...

  • Page 103

    3-22 phaser 6250 color laser printer service manual 8 use service diagnostics to test the duplex motor. Actuate the interlock switch during the test. Replace the chute assembly exit, page 8-62. Go to step 9. 9 verify the voltage between p 50-1p 60-2 on the motor driver board is +24 vdc. Go to step 1...

  • Page 104

    Error messages and codes 3-23 jam at registration roller: jam rr ■ check the paper path especially in the area of the registration roller and turn chute assembly for obstruction or debris. ■ try picking paper from a different tray. ■ ensure the media being used is a supported type. ■ remove, fan, an...

  • Page 105

    3-24 phaser 6250 color laser printer service manual 6 use service diagnostics to test the registration clutch. Close the interlock switch during the test. Does the clutch function correctly? Go to step 8. Go to step 7. 7 remove the connector j18. Is j 18-4 j 18-5 less than 200Ω? Go to step 8. Replac...

  • Page 106

    Error messages and codes 3-25 misfeed at tray 1 (mpt): jam t1 ■ ensure that tray 1 is securely attached to the printer. ■ try picking paper from a different tray. ■ check the paper path for obstructions or debris. ■ ensure that the media guides are set correctly. ■ cycle printer power. ■ if the prob...

  • Page 107

    3-26 phaser 6250 color laser printer service manual 5 verify the voltage between p/j18-3 p/j18-2. This measurement point can be accessed under the electric housing assembly (see page 8-71) on the engine control board is0 vdc. Replace sensor, registration, page 8-73. Go to step 6. 6 if possible, prin...

  • Page 108

    Error messages and codes 3-27 16 perform steps 1 through 3 on page 8-19. Open and close the front door. Observe the turn roller. Does the turn roller turn while the machine is warming up? Go to step 19. Go to step 17. 17 using service diagnostics, test the tray 1 turn clutch. Does the turn clutch as...

  • Page 109: Misfeed At Tray 2: Jam T2

    3-28 phaser 6250 color laser printer service manual misfeed at tray 2: jam t2 ■ try picking paper from a different tray. ■ ensure that tray 2 is free from defects and installed properly. ■ remove, fan, and reload media in tray 2. ■ remove any obstructions or debris in the paper path. ■ ensure that t...

  • Page 110

    Error messages and codes 3-29 5 is the voltage between p/j18-3 p/ j18-2, located under the electric housing assembly (see page 8-71) on the engine control board is 0 vdc. Replace registration sensor, page 8-73. Go to step 6. 6 if possible, print a sheet of paper from tray 1. Does the main drive moto...

  • Page 111

    3-30 phaser 6250 color laser printer service manual 16 perform steps 1 through 3 on page 8-19. Open and close the front door. Observe the turn roller. Dose the turn roller turn while the machine is warming up? Go to step 21. Go to step 17. 17 use service diagnostics to test the tray 1 turn clutch. D...

  • Page 112: Misfeed At Tray 3: Jam T3

    Error messages and codes 3-31 misfeed at tray 3: jam t3 ■ try feeding paper from another tray. ■ ensure that the paper path is free of obstructions and debris. ■ ensure that tray is installed correctly. ■ remove, fan, and reload the media in the tray. ■ ensure that the media in tray 3 is a supported...

  • Page 113

    3-32 phaser 6250 color laser printer service manual 6 verify the connector between the lta and the printer is connected properly and not damaged. Replace the damaged part. Go to step 7. 7 replace the lta motor. Does the error recur after the lta motor has been replaced with a new one? Go to step 8. ...

  • Page 114

    Error messages and codes 3-33 16 remove the tray 3 feed solenoid connector j824; is j824-1 j824-2 less than 100 ohms? Go to step 17. Replace the tray 3 feed solenoid, pl 14.4.17. Or pl 15.4.17 17 verify the voltage between p/j83-11 p/ j81-1 on the circuit board lta is +24 vdc. Go to step 18. Replace...

  • Page 115: Misfeed At Tray 4: Jam T4

    3-34 phaser 6250 color laser printer service manual misfeed at tray 4: jam t4 ■ try feeding paper from another tray. ■ ensure that the paper path is free of obstructions and debris. ■ ensure that tray is installed correctly. ■ remove, fan, and reload the media in the tray. ■ ensure that the media in...

  • Page 116

    Error messages and codes 3-35 8 perform steps 1 through 3 in page 8-113. Open and close the front door. Observe the turn roller. Dose the turn roller turn while the machine is warming up? Go to step 12. Go to step 9. 9 does the tray 4 turn clutch assembly function correctly when feeding 1 sheet of p...

  • Page 117: Door and Cover Errors

    3-36 phaser 6250 color laser printer service manual door and cover errors close front door ■ ensure that the front door is free of obstructions and fully closed. ■ verify that the interlock switch tab actuator is not broken. ■ cycle printer power. ■ if the problem persists, follow the procedure belo...

  • Page 118: Consumable Errors

    Error messages and codes 3-37 consumable errors install or reseat imaging unit ■ remove and reseat the imaging unit. ■ ensure that door c is fully closed. ■ cycle printer power. ■ if the problem persists, follow the procedure below troubleshooting reference table applicable parts wiring and plug/jac...

  • Page 119: Replace Imaging Unit Or

    3-38 phaser 6250 color laser printer service manual replace imaging unit or imaging unit is near end of life ■ print the supplies usage page and verify life remaining and date imaging unit was installed. ■ cycle printer power. ■ if the problem persists, follow the procedure below note the “imaging u...

  • Page 120

    Error messages and codes 3-39 install or reseat transfer roller ■ ensure the ctd (adc) sensor is clean. ■ ensure that the transfer roller assembly is correctly installed. ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooting reference table applicable parts wi...

  • Page 121: Replace Transfer Roller Or

    3-40 phaser 6250 color laser printer service manual replace transfer roller or transfer roller is at end of life ■ print the supplies usage page to verify the remaining life and transfer roller install date. ■ cycle printer power. ■ if the problem persists, follow the procedure below note look at th...

  • Page 122: Install Or Reseat Fuser

    Error messages and codes 3-41 install or reseat fuser ■ ensure that the fuser is fully seated. ■ ensure that the fuser latches are in the fully latched position. ■ cycle printer power. ■ if the problem persists, follow the procedure below. Warning to avoid the potential of electric shock, ensure the...

  • Page 123

    3-42 phaser 6250 color laser printer service manual replace fuser or fuser is near end of life ■ print the supplies usage page to verify remaining life and fuser install date. ■ cycle printer power. ■ if the problem persists, follow the procedure below note the “fuser is near end of life” is a warni...

  • Page 124

    Error messages and codes 3-43 install or lock [y] [m] [c] [k] toner cartridge ■ ensure that the toner cartridges are fully seated and locked into position. ■ ensure that all ribbon tape has been removed from the cartridges. ■ cycle printer power. ■ if the problem persists, follow the procedure below...

  • Page 125

    3-44 phaser 6250 color laser printer service manual 5 check the pertinent color’s switch on the crum reader board p/j342-5pin p/ j342-1, 2, 3, or 4pin for continuity. Depressing the switch should change its logic state. Go to step 6. Replace box assy, crum reader, page 8-85 6 check the harness assem...

  • Page 126: [Y] [M] [C] [K] Toner Is Low

    Error messages and codes 3-45 replace [y] [m] [c] [k]toner cartridge or [y] [m] [c] [k] toner is low ■ print the supplies usage page to verify remaining life and toner cartridge install date. ■ replace the cartridge. ■ cycle printer power. ■ if the problem persists, follow the procedure below note “...

  • Page 127

    3-46 phaser 6250 color laser printer service manual 2 use service diagnostics to test the toner low sensor. If the test fails check the sensor connector, if the connector is ok replace the toner low sensor for the problem color. Does the error recur? Go to step 3. Complete 3 use service diagnostics ...

  • Page 128: Dusty Density Sensor

    Error messages and codes 3-47 dusty density sensor ■ cycle printer power. ■ if the problem persists, follow the procedure below troubleshooting reference table applicable parts wiring and plug/jack map references ctd (adc) sensor assembly , pl 5.1.11 “xerographics 1” on page 10-23 troubleshooting pr...

  • Page 129

    3-48 phaser 6250 color laser printer service manual output tray is full, unload paper ■ ensure that the ouput tray is empty. ■ ensure that the output tray full flag is in the correct position. ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooting reference tab...

  • Page 130

    Error messages and codes 3-49 remove ribbon from [y] [m] [c] [k] toner cartridge ■ remove the toner cartridge and ensure that the ribbon tape has been completely removed. ■ inspect the mouth of the toner auger for obstructions or debris. ■ cycle printer power. ■ if the problem persists, follow the p...

  • Page 131: Tray and Media Errors

    3-50 phaser 6250 color laser printer service manual tray and media errors insert tray [2] or tray [2] missing ■ remove tray 2 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris. ■ reinstall the tray. ■ cycle printer power. ■ if the problem persists, follow...

  • Page 132

    Error messages and codes 3-51 paper size switches are indicated as sw1, sw2, and sw3 paper size paper size switch sw1 sw2 sw3 legal14" on on on legal13" on on off executive on off on b5 on off off a4 off on on a5 (provided for reference only. Supported by tray 1 (mpt) only.) off on off a off off on ...

  • Page 133

    3-52 phaser 6250 color laser printer service manual insert tray [3] [4] or tray [3] [4] missing ■ remove tray [3] [4] and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris. ■ reinstall the tray. ■ cycle printer power. ■ if the problem persists, follow the pro...

  • Page 134

    Error messages and codes 3-53 4 verify the pertinent tray 3 voltages on pins: p/j81 – 11 p/j47 – 23 p/j81 – 12 p/j47 – 23 p/j81 – 13 p/j47 – 23 or tray 4 voltages on pins: p/j81 – 8 p/j47 – 23 p/j81 – 9 p/j47 – 23 p/j81 – 10 p/j47 – 23 of the lower feeder circuit board, pl 14.5.1 or pl 15.5.1, corre...

  • Page 135: Tray 2 Paper Is Low

    3-54 phaser 6250 color laser printer service manual tray 2 paper is low ■ remove tray 2 and ensure that it is at least half full of paper. ■ inspect the tray for obstructions or defects. ■ reinstall the tray. ■ cycle printer power. ■ if the problem persists, follow the procedure below. Troubleshooti...

  • Page 136: Tray [3] [4] Paper Is Low

    Error messages and codes 3-55 tray [3] [4] paper is low ■ remove tray [3] [4] and ensure that it is at least half full of paper. ■ inspect the tray for obstructions or defects. ■ reinstall the tray. ■ cycle printer power. ■ if the problem persists, follow the procedure below. Note paper tray 3 can r...

  • Page 137

    3-56 phaser 6250 color laser printer service manual out of paper; load tray 1 (mpt) with [size] [type] ■ remove tray 1 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris. ■ ensure that the tray is loaded with supported media. ■ ensure that the media guides...

  • Page 138

    Error messages and codes 3-57 out of paper; load tray [2] [3] [4] with [size] [type] ■ remove tray [2] [3] [4] and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris. ■ ensure that the tray is loaded with supported media. ■ ensure that the media guides are pro...

  • Page 139

    3-58 phaser 6250 color laser printer service manual wrong paper size; load tray 2 with [size] [type] ■ remove tray 2 and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris. ■ ensure that the tray is loaded with supported media. ■ ensure that the media guides a...

  • Page 140

    Error messages and codes 3-59 paper size switches are indicated as sw1, sw2, and sw3 5 verify the pertinent voltages on pins p/j42 – 16 p/j42-15 p/j42-17 p/j42-15 p/j42-18 p/j42-15 correspond to the paper size switch position chart below. Replace engine control board, page 8-107 replace the motor dr...

  • Page 141

    3-60 phaser 6250 color laser printer service manual wrong paper size; load tray [3] [4] with [size] [type] ■ remove tray [3] [4] and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris. ■ ensure that the tray is loaded with supported media. ■ ensure that the me...

  • Page 142

    Error messages and codes 3-61 5 verify the pertinent tray 3 voltages on pins: p/j81 – 11 p/j47 – 23 p/j81 – 12 p/j47 – 23 p/j81 – 13 p/j47 – 23 or tray 4 voltages on pins: p/j81 – 8 p/j47 – 23 p/j81 – 9 p/j47 – 23 p/j81 – 10 p/j47 – 23 of the lower feeder circuit board, pl 14.5.1 or 15.5.1, correspo...

  • Page 143: [Size] [Type]

    3-62 phaser 6250 color laser printer service manual wrong paper type; load tray [1 (mpt)] [2] [3] [4] with [size] [type] ■ remove tray and inspect the tray cavity of the printer to ensure that it is free of obstructions or debris. ■ ensure that the tray is loaded with supported media. ■ reinstall th...

  • Page 144: Fatal Errors

    Error messages and codes 3-63 fatal errors laser failure code 07: laser power has failed code 08: sos (start of scan) failure 1 code 09: sos failure 2 code 10: warm up failure code 11: this is the generic laser fault used by the engine if a lower level error cannot be reported to the controller. Tro...

  • Page 145: Density Sensor Failure

    3-64 phaser 6250 color laser printer service manual density sensor failure code 13: density sensor failure. Code 14: density limit over output. Code15 : density limit. Code 16 : this is a generic density sensor error that is generated when a code 13, 14 or 15 is not specifically triggered. Troublesh...

  • Page 146: Fuser Failure

    Error messages and codes 3-65 fuser failure code 40 : the temperature sensor sensed an overheat condition. Code 41 : the temperature sensor sensed a low temperature condition. Code 42 : temperature sensor not providing an output. Code 43 : warm up failure, the temperature sensor does not detect the ...

  • Page 147: Fuser Failure (Cont’D)

    3-66 phaser 6250 color laser printer service manual fuser failure (cont’d) code 44 : indicates a failure in the fuser lamp circuit. Warning to avoid the potential of electric shock, ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing ste...

  • Page 148: Fuser Failure (Cont’D)

    Error messages and codes 3-67 fuser failure (cont’d) fuser crum failure code 45 : crum data revise failure code 46 : crum setting value failure code 47 : this is the generic fuser code displayed when the printer cannot generate a specific error. This error code can represent any fuser error code fro...

  • Page 149: Fuser Fan Failure

    3-68 phaser 6250 color laser printer service manual fuser fan failure code 50 troubleshooting reference table applicable parts wiring and plug/jack map references fuser fan, pl 1.1.7 “drive section” on page 10-18 motor driver board, pl 12.1.12 troubleshooting procedure table steps actions and questi...

  • Page 150: Rear Fan Failure

    Error messages and codes 3-69 rear fan failure code 51 troubleshooting reference table applicable parts wiring and plug/jack map references rear fan, pl 12.1.2 “main wiring diagram” on page 10-15 low-voltage power supply, pl 12.1.10 troubleshooting procedure table steps actions and questions yes no ...

  • Page 151: Generic Fan Failure

    3-70 phaser 6250 color laser printer service manual generic fan failure code 52 : this is a generic fan error, generated by the rear fan or the fuser fan circuit. Troubleshooting reference table applicable parts wiring and plug/jack map references fuser fan, pl 1.1.7 “main wiring diagram” on page 10...

  • Page 152: Engine Firmware Failure

    Error messages and codes 3-71 engine firmware failure code 70 : task table overflow code 71 : timer table overflow code 73 : queue buffer overflow code 74 : communications buffer overflow code 78 : ess video data fail code 79 : this is a generic engine firmware failure code generated when any other ...

  • Page 153

    3-72 phaser 6250 color laser printer service manual imaging unit firmware failure code 75 : this is an imaging unit crum data error. Caution protect the imaging unit from exposure to light by covering the unit or placing in a light proof bag. Troubleshooting reference table applicable parts wiring a...

  • Page 154: Fuser Firmware Failure

    Error messages and codes 3-73 fuser firmware failure code 76 : the crum firmware has failed. Warning to avoid the potential of electric shock, ensure the power to the printer is off and the power cord is disconnected from the wall outlet prior to performing step 2 of the following troubleshooting pr...

  • Page 155

    3-74 phaser 6250 color laser printer service manual controller to engine communications failure code 81 : this is a communication failure between the image processor board and the engine control board. Note when replacing the image processor board, the nvram, memory, configuration chip (‘i’ button),...

  • Page 156: Engine Nvram Error

    Error messages and codes 3-75 engine nvram error code 83: engine nvram is corrupted or receiving wrong data from a crum. Troubleshooting procedure table steps actions and questions yes no 1 cycle power to the printer. Does the error still appear? Go to step 2. Complete 2 remove and reinstall the ima...

  • Page 157

    3-76 phaser 6250 color laser printer service manual replace [y] [m] [c] [k] toner cartridge the crum reader detected a crum id error or non-xerox toner cartridge installed in the printer. Code 90: cyan crum i.D. Error code 91: magenta crum i.D. Error code 92: yellow crum i.D. Error code 93: black cr...

  • Page 158

    Error messages and codes 3-77 [y] [m] [c] [k] toner cartridge failure code 86, 87, 88, 89 : a crum error occurred in the yellow, magenta, cyan, or black toner cartridge. 4 does the error recur after the crum reader board pl 10.1.21 has been replaced? Go to step 5. Complete 5 check continuity of the ...

  • Page 159: Non-Phaser 6250 Fuser

    3-78 phaser 6250 color laser printer service manual non-phaser 6250 fuser code 94 : crum i.D. Error. A non-phaser 6250 fuser has been detected in the printer. Warning to avoid the potential of electric shock, ensure the power to the printer is off and the power cord is disconnected from the wall out...

  • Page 160: Non-Phaser 6250 Imaging Unit

    Error messages and codes 3-79 non-phaser 6250 imaging unit code 95 : crum i.D. Error. A non-phaser 6250 imaging unit has been detected in the printer. 8 check continuity between j144 j140 of harness assembly eeprom. Refer to wiring diagram "laser unit" on page 10-22. Replace the engine control board...

  • Page 161: Environmental Sensor Failure

    3-80 phaser 6250 color laser printer service manual environmental sensor failure code 102 : indicates an error was detected in the environment sensor circuit. 7 replace the eeprom board, pl 10.1.14. Does the error recur after the eeprom board, has been replaced? Go to step 8. Complete 8 check j710 j...

  • Page 162: In This Chapter...

    4 chapter general troubleshooting in this chapter... ■ introduction ■ system start-up and post ■ front panel troubleshooting ■ fault isolation ■ inoperable printer troubleshooting ■ paper size switch assembly ■ ac power supply troubleshooting ■ dc power supply troubleshooting ■ media jams and the pa...

  • Page 163: Introduction

    4-2 phaser 6250 color laser printer service manual introduction this chapter covers the general start-up, power on self test (post), and power supply operations of the printer to aid in troubleshooting problems not associated with a front panel error message or error code. For troubleshooting proble...

  • Page 164: System Start-Up and Post

    General troubleshooting 4-3 system start-up and post system boot sequence 1. When the main power switch is turned on, the health led on the image processor board turns on. 2. The front panel graphics display is reset (addressable area turns grey). 3. The front panel led cycles: green, yellow, red, (...

  • Page 165: Power On Self Test (Post)

    4-4 phaser 6250 color laser printer service manual power on self test (post) the following tests are performed when the printer is powered on, after the boot loader runs, and before the operating system is loaded and initialized. Post diagnostics are intended to provide a quick means of isolating a ...

  • Page 166: Post Test Sequence

    General troubleshooting 4-5 post test sequence test seq. Code test name type comments 1 1 sdram hard run by bootloader 2 14 real time clock soft initial time check for comparison 3 3 i/o asic hard checks i/o capability 4 4 memory soft 5 5 configuration chip hard 6 7 extended memory n/a autorun test ...

  • Page 167: Post Faults

    4-6 phaser 6250 color laser printer service manual post faults there are two kinds of faults: soft and hard. A soft fault is any fault that is discovered by post, but does not prevent the operating system from initializing and becoming available as a tool for troubleshooting. These post faults do no...

  • Page 168

    General troubleshooting 4-7 post diagnostic test descriptions test fault code description sdram 1 (hard) this test fails if the boot loader finds no ram present or faulty ram. (run prior to post.) boot loader posts the message “ram error” to the front panel and blinks the front panel led. I/o asic 3...

  • Page 169: Front Panel Troubleshooting

    4-8 phaser 6250 color laser printer service manual front panel troubleshooting no front panel display after power is turned on 1. Remove and reseat the image processor board, page 8-110. 2. Run the print engine test print, see page 5-9. 3. Replace the image processor board page 8-110 (if step 2 pass...

  • Page 170: Fault Isolation

    General troubleshooting 4-9 fault isolation isolate a fault to the printer or to the image processor board by running the print engine test print, see page 5-9. ■ if the printer sucessfully prints the print engine test print, replace the image processor board. ■ if the printer fails the print engine...

  • Page 171: Paper Size Switch Assembly

    4-10 phaser 6250 color laser printer service manual paper size switch assembly paper size and tray installation is detected by a combination of on/off statuses of the upper, middle, and lower switches of the switch paper size assembly. Inability of the printer to detect the paper size loaded, or to ...

  • Page 172

    General troubleshooting 4-11 +24 vdc output stopped by interlock switch opening door a, b or c opens the front cover interlock switch. This shuts off the +24 vdc supplied by the motor driver board to the motors, clutches and solenoids. Ac power supply troubleshooting troubleshooting references appli...

  • Page 173

    4-12 phaser 6250 color laser printer service manual dc power supply troubleshooting troubleshooting reference applicable parts wiring and plug/jack map references low voltage power supply, pl 12.1.10 "power supply" on page 10-16 procedure step action and questions yes no 1 perform the ac power suppl...

  • Page 174

    General troubleshooting 4-13 7 turn the ac power switch off. Connect j165 to the lvps then turn the ac power switch on. Verify: p/j165-1 p/j165-2 = +5 vdc? P/j165-3 p/j165-4 = +3.3 vdc? Go to step 10. Go to step 8. 8 check the following parts for fault or damage: ■ lvnc harness assembly ■ motor driv...

  • Page 175: Media-Based Problems

    4-14 phaser 6250 color laser printer service manual media jams and the paper path media-based problems 1. Check that the correct type of media is being used; for the correct media types and weights, see "printer specifications" on page 1-11. The customer should be using a quality laser printer paper...

  • Page 176: Skewed Image

    General troubleshooting 4-15 skewed image 1. The image area is not parallel with the sides of the page but the printer neither jams nor displays an error code. 2. Remove the tray and ensure the paper guides are set correctly. 3. Check that the correct type of media for the tray is being used. 4. Ens...

  • Page 177: Exit Jams

    4-16 phaser 6250 color laser printer service manual 9. Test the fuser motor using service diagnostics. 10. See “jam at fuser jam f” on page 3-19 for troubleshooting fuser jams. Exit jams 1. Ensure the paper is in good condition and is the correct type for the printer. See “media and tray specificati...

  • Page 178: Macintosh Printing Problems

    General troubleshooting 4-17 operating system and application problems print an internal test print from the printer’s front panel to ensure the problem is not printer related. See “print engine test print” on page 5-9. Troubleshooting tips and additional information are also available on the xerox ...

  • Page 179

    4-18 phaser 6250 color laser printer service manual e. In the terminal tool, try using traceroute to determine if you are on the same subnet as your printer. For example: traceroute 13.62.70.112 should produce exactly one hop before completing the trace. Correct as needed, and retry your print job. ...

  • Page 180: Windows Printing Problems

    General troubleshooting 4-19 windows printing problems image never prints 1. Try printing a test page from the printer driver’s properties dialog box. 2. Try printing from another application. 3. Try printing to another network/postscript printer. 4. Try printing from another computer. 5. If the err...

  • Page 181

    4-20 phaser 6250 color laser printer service manual.

  • Page 182: In This Chapter...

    5 chapter print-quality troubleshooting in this chapter... ■ print-quality problems overview ■ front panel test prints ■ service test prints ■ print engine test print ■ print-quality troubleshooting.

  • Page 183

    5-2 phaser 6250 color laser printer service manual 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 troubleshoot print-quality problems, ...

  • Page 184: Imaging Unit

    Print-quality troubleshooting 5-3 defects associated with specific printer components some print-quality problems can be associated with specific assemblies, the most common problems and the associated assemblies are listed below. Also, refer to the specific print-quality troubleshooting procedure f...

  • Page 185: Front Panel Test Prints

    5-4 phaser 6250 color laser printer service manual front panel test prints a variety of test prints are available to aid in determining the quality of output from the printer and to assist in troubleshooting problems. This section shows how to select and analyze all test prints available. From the p...

  • Page 186: Test Print 2: Rgb Test Print

    Print-quality troubleshooting 5-5 test print 2: rgb test print this page consists of 80% solid fill in rgbk bands. Analyzing the test print ■ wrinkling ■ creases ■ roller marks ■ scratches ■ cold offset s6200-224 xerox phaser 6200dp service prints[page 2/3] media type: paper, letter.

  • Page 187: Service Test Prints

    5-6 phaser 6250 color laser printer service manual service test prints test print 3: test pattern sample analyzing the test print 1. Color registration (horizontal): the colored lines should match up as shown below. Perform the color registration procedure. See "horizontal and vertical color registr...

  • Page 188

    Print-quality troubleshooting 5-7 2. Color registration (vertical): the colored lines should match up as shown below. Vertical printing issues are corrected automatically when the color registration page is printed. 3. Uniform rgb: the secondary color squares should be uniformly colored with no mott...

  • Page 189: 600 X 600 Service Test Print

    5-8 phaser 6250 color laser printer service manual 600 x 600 service test print this test print is used to verify margins and color registration. The colors should be aligned vertically and horizontally. S6200-227 black (k) yellow (y) cyan (c) magenta (m) 128 dot 128 dot about 2 mm about 2 mm.

  • Page 190: Print Engine Test Print

    Print-quality troubleshooting 5-9 print engine test print print-quality and engine logic or hardware problems can be easily isolated to either the image processor board or the print engine by running the print engine only test print. 1. Turn printer power off. 2. Remove the image processor board. 3....

  • Page 191: Light Prints

    5-10 phaser 6250 color laser printer service manual print-quality troubleshooting light prints initial actions: ■ verify the printer is not in draft mode. ■ verify the media used is supported by this printer. "media and tray specifications" on page 1-14. Lists correct media types, sizes, and weights...

  • Page 192: Initial Actions

    Print-quality troubleshooting 5-11 light print in only one color only one color; yellow, magenta, cyan, or black, is too light on the printed image. The test print is 25% coverage. Initial actions ■ verify that color calibration has been performed prior to using this troubleshooting procedure. Troub...

  • Page 193

    5-12 phaser 6250 color laser printer service manual 5 check the following pins between the engine control board and the housing assembly bias for continuity, depending on the color affected. J 601deve y contact j 602deve m contact j 603deve c contact j 604deve k contact go to step 6. Replace the hou...

  • Page 194: Blank Prints

    Print-quality troubleshooting 5-13 blank prints the entire image area is blank troubleshooting procedure step check yes no 1 ensure that the laser unit is properly seated in the chassis. Check for any obstructions in the laser beam path between the laser unit and the imaging unit. Seat the laser uni...

  • Page 195

    5-14 phaser 6250 color laser printer service manual black prints with white margin border the entire image area, except the margins, are black troubleshooting procedure step check yes no 1 run the 600 x 600 test print see "print engine test print" on page 5-9. Does the output match the example on pa...

  • Page 196

    Print-quality troubleshooting 5-15 solid dark or dirty prints, no border the prints appear very dirty and brown over the entire page. This print-quality symptom is a composite image of all colors with no margin. This is caused by a charge voltage failure. For information on the imaging unit charge c...

  • Page 197

    5-16 phaser 6250 color laser printer service manual missing band, voids or streaks in a single color or all colors parallel to the leading edge there are areas of the image that are extremely light or missing entirely. These missing areas form bands parallel to the leading edge. Troubleshooting proc...

  • Page 198

    Print-quality troubleshooting 5-17 8 replace the sub-hvps, page 8-87. Does the image quality improve if the sub-hvps is replaced? Complete go to step 9. 9 replace the laser unit, page 8-68. Does the image quality improve if the laser unit is replaced? Complete replace the engine control board, page ...

  • Page 199

    5-18 phaser 6250 color laser printer service manual missing band, voids or streaks in a single color or all colors in direction of paper travel there are areas of the image that are extremely light or missing entirely. These missing areas form bands that run along the paper from the leading edge to ...

  • Page 200

    Print-quality troubleshooting 5-19 repeating and/or random spots spots of toner are randomly scattered across the page or at a fixed repeating interval. Note depending on the type of paper and environmental conditions, some light amount of random background spotting (backgrounding) is normal. The wh...

  • Page 201: Background Contamination

    5-20 phaser 6250 color laser printer service manual background contamination there is toner contamination on all or most of the page. The contamination appears as a very light gray dusting. The printer displays no error code. Before using this procedure, ensure the tekcolor correction is not set to ...

  • Page 202

    Print-quality troubleshooting 5-21 7 replace the laser unit, page 8-68. Does the image quality improve if the laser unit is replaced? Complete go to step 8. 8 repalce the sub-hvps, page 8-87. Does the image quality improve if the sub-hvps is replaced? Complete go to step 9. 9 check j 5011 j13 for co...

  • Page 203

    5-22 phaser 6250 color laser printer service manual residual image, ghosting or hot offset there are faint, ghostly images appearing on the page. The images may be either from a previous page or from the page currently printed. The printer displays no error code. Hot offset: a light image of the pri...

  • Page 204

    Print-quality troubleshooting 5-23 incomplete fusing or cold offset ■ incomplete fusing: the toner is not completely fused to the paper and easily rubs off. ■ cold offset: portions of the image are not fully fused and flake or rub off. Troubleshooting procedure step check yes no 1 is the problem res...

  • Page 205: In The Process Direction

    5-24 phaser 6250 color laser printer service manual mis-registration, color layer not correctly registered in the process direction the four colors of the image are not registered correctly into one image. Initial actions: ■ if the mis-registration is in the horizontal direction, perform the color r...

  • Page 206

    Print-quality troubleshooting 5-25 dirty vertical streaks on the edges of the page simplex print: streaks are on the back side of the page. Duplex print: streaks are on both sides of the page. Note the most likely cause of this artifact is high clay content paper. This component in the paper gums up...

  • Page 207

    5-26 phaser 6250 color laser printer service manual.

  • Page 208: In This Chapter...

    6 chapter adjustments and calibrations in this chapter... ■ calibrations ■ adjustments ■ resetting nvram ■ service diagnostics postscript nvram resets.

  • Page 209: Calibrations

    6-2 phaser 6250 color laser printer service manual calibrations color calibration color calibration procedures adjust the printer for optimal color output. Color settings may need adjustment: ■ on initial printer setup. ■ when toner cartridges and imaging units are replaced. ■ when the printer envir...

  • Page 210: Adjustments

    Adjustments and calibrations 6-3 adjustments horizontal and vertical color registration horizontal color registration this procedure must be performed whenever the laser unit has been removed or replaced. The color registration menu allows you to adjust the printer's cyan, magenta and yellow against...

  • Page 211: Resetting Nvram

    6-4 phaser 6250 color laser printer service manual resetting nvram resetting nvram returns all the image processor board nvram-stored parameters to their factory default values. The print counts and the adobe firmware serial number are not affected by this reset. You can reset the postscript nvram u...

  • Page 212

    Adjustments and calibrations 6-5 restore factory settings (margins) you can reset margin settings to the factory-default values. Caution use caution when resetting your margins to the factory-default settings. Changing these settings back to factory defaults may not be the last-saved settings if you...

  • Page 213

    6-6 phaser 6250 color laser printer service manual resetting postscript setup defaults resetting the postscript setup values resets postscript error information, print- quality mode, tekcolor correction, and image smoothing, to their default values. 1. From the main menu, highlight printer setup and...

  • Page 214

    Adjustments and calibrations 6-7 resetting all printer default settings (postscript nvram) resetting the nvram restores all printer values stored in the ip controller nvram including network, printer setup, job defaults, color, margin, and calibrations to their factory default values. The print coun...

  • Page 215

    6-8 phaser 6250 color laser printer service manual service diagnostics postscript nvram resets resetting the nvram restores all printer values stored in the ip controller nvram including network, printer setup, job defaults, color, margin, and calibrations to their factory default values. The print ...

  • Page 216: In This Chapter...

    7 chapter cleaning and maintenance in this chapter... ■ service preventive maintenance procedure ■ recommended tools ■ cleaning.

  • Page 217: Recommended Tools

    7-2 phaser 6250 color laser printer service manual service preventive 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 the probability...

  • Page 218

    Cleaning and maintenance 7-3 11. Remove and clean the paper trays. 12. Clean all rubber rollers with a clean, lint-free cloth, slightly dampened with cold water..

  • Page 219

    7-4 phaser 6250 color laser printer service manual.

  • Page 220: In This Chapter...

    8 chapter service parts disassembly in this chapter... ■ overview ■ general notes on disassembly ■ removing routine maintenance items and consumables ■ print engine disassembly ■ optional high capacity feeder disassembly ■ optional 500-sheet feeder disassembly.

  • Page 221: Overview

    8-2 phaser 6250 color laser printer service manual overview this section contains the removal and replacement procedures for selected parts of the printer listed in the parts list. Not all replacement procedures are included in this service manual. In most cases, the replacement procedure is simply ...

  • Page 222: General Notes On Disassembly

    Service parts disassembly 8-3 general notes on disassembly preparation before you begin any removal and replacement procedure: 1. Switch off the printer power and disconnect the power cord from the wall outlet. 2. Remove the imaging unit and protect it from exposure to light by covering it with a li...

  • Page 223: Consumables

    8-4 phaser 6250 color laser printer service manual removing routine maintenance items and consumables routine maintenance items include the transfer roller, imaging unit, and fuser assembly. The paper feed rollers are also routine maintenance items, but individual procedures for their removal and re...

  • Page 224: Toner Cartridge Removal

    Service parts disassembly 8-5 2. Open door b. 3. Open door c. 4. Release the lock on each side of the fuser, grasp the green handles and lift the fuser straight up off the mounting studs. Toner cartridge removal caution clean up any toner spills using a type ii toner vacuum only. Never use a damp cl...

  • Page 225: Print Engine Disassembly

    8-6 phaser 6250 color laser printer service manual print engine disassembly dissasembly procedures for the print engine are presented in the following paragraphs and are subdivided by major functional assembly. Covers front cover (pl 1.1.2) 1. Open door b. 2. Remove the two front cover retaining cli...

  • Page 226: Front Panel (Pl 1.1.1)

    Service parts disassembly 8-7 4. Slightly separate the front cover from the printer and remove connector p/j220 from the front panel and p/j 137 from the fuser fan.. 5. Remove the front cover caution reinstall the front cover retaining clips (a) as shown when reinstalling the front cover. Front pane...

  • Page 227: Fuser Fan (Pl 1.1.7)

    8-8 phaser 6250 color laser printer service manual fuser fan (pl 1.1.7) 1. Remove the front cover (page 8-6). 2. Remove the 2 screws securing the fuser fan holder (item #1) to the rear of the front cover and remove the fuser fan holder. 3. Disconnect p/j137 from the fuser fan holder. 4. Release the ...

  • Page 228: Top Main Cover (Pl1.1.9)

    Service parts disassembly 8-9 top main cover (pl1.1.9) 1. Remove the imaging unit and protect it from light. 2. Remove all the toner cartridges. 3. Open door a. 4. Open door c (top image unit cover pl1.1.10). 5. Remove the 2 screws securing the top main cover (item 1) to the printer. 6. Release the ...

  • Page 229

    8-10 phaser 6250 color laser printer service manual image unit top cover (door c) (pl1.1.10) 1. Remove the top main cover (page 8-9). 2. Open door a. 3. Open door c. 4. Remove the left cover (page 8-11). 5. Remove the right and left stud top hinge pins (item #2 pl1.1.21) from the image unit top cove...

  • Page 230

    Service parts disassembly 8-11 right and left side covers (pl1.1.24), (pl1.1.30) 1. Remove the top main cover (page 8-9). 2. Remove 1 screw securing the right side cover (item #1) and/or left side cover (item #2) to the printer. 3. Release the tab at the front of the printer securing the right side ...

  • Page 231: Rear Cover (Pl 1.1.20)

    8-12 phaser 6250 color laser printer service manual rear cover (pl 1.1.20) 1. Remove the right and left side covers. (page 8-11). 2. Raise the rear cover(item #1) slightly to release the 7 tabs securing the cover to the printer and remove the cover. 1.

  • Page 232

    Service parts disassembly 8-13 left and right links (pl 1.1.23) note to disengage the links from the printer without removing the link, release the end of the link from the retaining clip and leave the spring connected to the printer. 1. Remove the right and left side covers (page 8-11). 2. Remove t...

  • Page 233: Tray 1 (Mpt) (Pl1.1.99)

    8-14 phaser 6250 color laser printer service manual tray 1 (mpt) (pl1.1.99) 1. Open tray 1. 2. Flex the right and left side of the tray 1 slide (item #1) (pl 1.1.27) to seperate the base from the slide. 3. With the tray 1 slide at a 90 degree angle, pull the slide out of the printer. 4. To remove th...

  • Page 234

    Service parts disassembly 8-15 front right cover (pl 1.1.25) 1. Remove right and left side covers, see page 8-11. 2. Remove the right side link spring (item #3). 3. Open door a. 4. Remove the link retaining stud and rotate the link out of the way. Then reinsert the stud. 5. Remove the 2 screws secur...

  • Page 235

    8-16 phaser 6250 color laser printer service manual front left cover assembly (pl1.1.29) 1. Remove tray 1 (page 8-14). 2. Remove the front cover (page 8-6). 3. Remove the front right cover (page 8-15). 4. Remove the left link spring (item #2). 5. Open door a. 6. Remove the left link retaining stud (...

  • Page 236

    Service parts disassembly 8-17 10. Release the 2 tabs securing the front left cover to the chute assembly out and remove the front left cover from the printer. Cover assy front 6250-133 rear view.

  • Page 237: Paper Feed

    8-18 phaser 6250 color laser printer service manual paper feed paper feed roller (pl 2.1.2) (routine maintenance item) 1. Pull the paper tray out of the printer. 2. Release the tab securing the feed cover to the paper tray and open the feed cover (item #1). 3. Carefully release the hook securing the...

  • Page 238

    Service parts disassembly 8-19 turn chute assembly (pl3.1.2) 1. Pull the paper tray out of the printer. 2. Push in on the turn chute assembly (item #1) to releae the 2 tabs. 3. Rotate the turn chute assembly 90 degrees downward from the paper feeder. 4. Release the tabs securing the right and left s...

  • Page 239

    8-20 phaser 6250 color laser printer service manual printer chassis/feeder assembly 1. Remove the imaging unit and protect it from exposure to light. 2. Remove the link actuator (page 8-32). 3. Remove the top main cover (page 8-9). 4. Remove the right and left side covers (page 8-11). 5. On the left...

  • Page 240: Replacement Notes

    Service parts disassembly 8-21 9. Using a pz1 posi bit, remove the 4 long screws securing the printer chassis to the feeder assembly. Caution the washers on the long screws are not captive and can easily be dropped into the chassis during removal or replacement. Be careful not to drop the washers wh...

  • Page 241: Replacement Notes

    8-22 phaser 6250 color laser printer service manual paper pick assembly (pl3.3.1) 1. Remove the printer chassis from the feeder assembly (page 8-20). 2. Disconnect p/j471 (yellow) from the paper size switch in the feeder assembly. 3. Carefully free the wires (yellow/blue) from their guides, noting t...

  • Page 242

    Service parts disassembly 8-23 right and left housing (pl 3.2) 1. Remove the paper pick assembly (page 8-22). 2. Remove the 4 screws securing the left/right housing to the bottom plate. 3. Lean the top of the housing in slightly towards the center, and release the 3 retaining hooks from the holes in...

  • Page 243: (Pl3.2.2)

    8-24 phaser 6250 color laser printer service manual temperature/humidity harness (pl3.2.1) and sensor (pl3.2.2) 1. Remove the top main cover(page 8-9). 2. Remove the left side cover (page 8-11). 3. Disconnect p/j2361 (gray) from the printer. 4. Remove the screw securing the temperature/humidity sens...

  • Page 244

    Service parts disassembly 8-25 high-capacity feeder harness (pl3.2.3) 1. Remove the printer chassis from the feeder assembly (page 8-20). 2. Carefully free the hcf harness (item #1) from the wire guides in the right housing. 3. Release the 2 tabs securing the harness connector to the right housing. ...

  • Page 245

    8-26 phaser 6250 color laser printer service manual paper size switch assembly (pl3.2.4) 1. Remove the printer chassis from the paper feeder assembly(page 8-20). 2. Disconnect p/j471 from the paper size switch (item #1). 3. Remove 1 screw securing the paper size switch to the right housing. 4. Rotat...

  • Page 246: Indicator Guide (Pl3.2.10)

    Service parts disassembly 8-27 low paper lever (pl3.2.7), indicator (pl3.2.8) and indicator guide (pl3.2.10) removal - indicator and guide indicator 1. Remove the printer chassis from the paper feeder assembly (page 8-20). 2. Remove the feeder right housing (page 8-23). 3. Grasp the tip of the paper...

  • Page 247: Removal - Low Paper Lever

    8-28 phaser 6250 color laser printer service manual removal - low paper lever 1. Turn the feeder right housing upside down. 2. Push the vertical retainer, securing the right end of the low paper lever towards the outside of the housing while pulling the lever upwards. 3. When the right end releases,...

  • Page 248: Paper Pick Rollers (Pl3.3.3)

    Service parts disassembly 8-29 paper pick rollers (pl3.3.3) 1. Pull the paper tray out of the printer. Note remove and replace the paper pick rollers (item #1) one at a time to maintain the proper orientation. 2. Remove the turn chute assembly (page 8-19). 3. Rotate the feed shaft so that the rubber...

  • Page 249: (Pl3.3.4)

    8-30 phaser 6250 color laser printer service manual no paper actuator (pl3.3.5), no/low paper sensor (pl3.3.4) removal - actuator 1. Remove the printer chassis from the paper feeder assembly (page 8-20). 2. Remove the paper pick assembly (page 8-22) and turn it upside down. 3. Release the hook secur...

  • Page 250: Removal - No Paper Sensor

    Service parts disassembly 8-31 removal - no paper sensor note the sensors are interchangeable. 1. Remove the right paper pick roller to gain access to the p/j472 (blue). 2. Disconnect p/j472 (blue) from the no paper sensor (item #1). 3. Lift up on the clear plastic lock to release 3 tabs securing th...

  • Page 251: Link Actuator (Pl3.3.6)

    8-32 phaser 6250 color laser printer service manual link actuator (pl3.3.6) note perform this procedure from the rear of the printer. 1. Pull the paper tray out of the printer. 2. Remove the paper tray rear cover by pushing in on the left side until the cover comes off the left mounting tab, then re...

  • Page 252: Feed Solenoid (Pl3.3.17)

    Service parts disassembly 8-33 feed solenoid (pl3.3.17) 1. Remove the printer chassis from the paper feeder assembly (page 8-20). 2. Remove the paper pick assembly (page 8-22). 3. Remove 1 screw securing the feed solenoid to the paper pick assembly. 4. Separate the feed solenoid slightly and shift t...

  • Page 253

    8-34 phaser 6250 color laser printer service manual turn clutch assembly (pl3.3.18) 1. Remove the printer chassis from the paper feeder assembly (page 8-20). 2. Remove the paper pick assembly (page 8-22). 3. Release the tab securing the stopper clutch (item #2) to the shaft on the right side of the ...

  • Page 254: Replacement Notes

    Service parts disassembly 8-35 roll turn assembly (pl3.3.20) 1. Remove the printer chassis from the paper feeder assembly (page 8-20). 2. Remove the paper pick assembly (page 8-22). 3. Remove the clutch turn assembly (page 8-34). 4. Release the tab securing the gear feed 2 (item 2#) to the shaft of ...

  • Page 255

    8-36 phaser 6250 color laser printer service manual paper feed roller (routine maintenance item) 1. Pull paper tray out of the printer. 2. Release 1 tab securing the paper feed roller (item #1) to the feed shaft (item #2). 3. Slide the paper feed roller off the left side of the feed shaft. Note the ...

  • Page 256

    Service parts disassembly 8-37 retard roller housing assembly (pl4.1.1) 1. Remove the registration chute assembly (page 8-71). 2. Disconnect p/j19 (blue) from the engine control board. 3. Remove the 3 screws securing the retard roller housing assembly to the printer, lift the left end, and remove th...

  • Page 257: Replacement Notes

    8-38 phaser 6250 color laser printer service manual turn roll (pl 4.1.2), turn clutch (pl 4.1.9), and friction clutch assembly (pl 4.1.4) 1. Remove the retard roller housing assembly (page 8-37) 2. Remove the e-ring securing the turn clutch (item #1) to the shaft and remove the clutch. 3. Remove the...

  • Page 258

    Service parts disassembly 8-39 retard roller assembly (pl4.1.5) 1. Open door a and door c. 2. Remove the imaging unit and protect it from exposure to light. 3. Rotate the retard roller assembly (item #1) up, slide to the right and remove to the left of the printer. 1 6250-246 1 6250-245.

  • Page 259

    8-40 phaser 6250 color laser printer service manual 4. Release the tab securing the retard roller shaft (item #2), raise the right end and remove the retard roller. 6250-166 2.

  • Page 260: Chute Assembly In

    Service parts disassembly 8-41 chute assembly in chute assembly in (pl 5.1.1) 1. Remove the chute assembly out (page 8-47). Note p/j162 is located behind the motor driver board cable retainer. Release the retainer from the chassis to access the connector. 2. On the right side, remove p/j162 from the...

  • Page 261: Ctd (Adc) Sensor (Pl 5.1.11)

    8-42 phaser 6250 color laser printer service manual ctd (adc) sensor (pl 5.1.11) 1. Open door a. 2. Remove the transfer roller assembly (routine maintenance item) (page 8-4). 3. Release the 4 tabs securing the ctd sensor assembly (item #1) to the chute assembly in (item #2) . Caution the ctd sensor ...

  • Page 262

    Service parts disassembly 8-43 toner full sensor (pl 5.1.13) 1. Open door a. 2. Remove the transfer roller assembly (routine maintenance item) (page 8-4). 3. Disconnect p/j142 from the chute assembly in. 4. Release 2 tabs securing the toner full sensor with a small screwdriver. 5. Remove the toner f...

  • Page 263: Replacement Notes

    8-44 phaser 6250 color laser printer service manual fuser drive assembly (pl 5.1.18) 1. Remove the chute assembly out (page 8-47). 2. Remove the chute assembly in (page 8-41). 3. Remove right latch (door a) (page 8-45). 4. Remove the 1 screw securing the fuser ground wire to the fuser drive assembly...

  • Page 264

    Service parts disassembly 8-45 right latch (door a) (pl 5.1.21) 1. Remove the fuser assembly (routine maintenance item) (page 8-4). 2. Remove the front right cover (page 8-15). 3. Open door a. 4. Release the hook on the lower part of the spring (item 4) securing it to the chute assembly in. 5. Relea...

  • Page 265: Left Latch (Pl 5.1.30)

    8-46 phaser 6250 color laser printer service manual left latch (pl 5.1.30) 1. Remove the fuser assembly (page 8-4). 2. Remove the front left cover (page 8-16). 3. Open door a. 4. Release the tab securing left latch (item #2) to the left side of the chute assembly in. 5. Remove the left latch from th...

  • Page 266: Chute Assembly Out

    Service parts disassembly 8-47 chute assembly out chute assembly out (pl6.1.1) 1. Remove the imaging unit (routine maintenance item) (page 8-4) and protect it from exposure to light. 2. Remove the transfer roller (routine maintenance item) (page 8-4). 3. Remove the fuser assembly (routine maintenanc...

  • Page 267

    8-48 phaser 6250 color laser printer service manual 12. On the right side of the printer, disconnect p/j50 and p/j52 from the motor driver board . 13. Free the wiring harness on the right side from the wire guides on the right side of the printer housing. Chute assy out chute assy out left side view...

  • Page 268

    Service parts disassembly 8-49 14. Remove the e-rings (item #1) from the right and left shaft pivots securing the bottom of the chute assembly out to the printer. 15. Open door b and press on the solenoid latch-plate on the left side to release the lower plate assembly. Ensure that the lower plate a...

  • Page 269: Sensor (Pl 6.1.4)

    8-50 phaser 6250 color laser printer service manual output tray full actuator (pl 6.1.5) and full stack sensor (pl 6.1.4) removal - actuator, output tray full 1. Remove the front cover (page 8-6). 2. Deflect the shaft of the actuator output tray full (item #1) from the top portion of the chute assem...

  • Page 270: (Pl 6.1.4)

    Service parts disassembly 8-51 duplex actuator (pl 6.1.13) and duplex sensor (pl 6.1.4) removing the duplex actuator 1. Remove the front left cover (page 8-16). 2. Release the 2 tabs securing the actuator cover, push in and remove the cover from inside the chute assembly out. 3. Release the tab on t...

  • Page 271: Removing The Duplex Sensor

    8-52 phaser 6250 color laser printer service manual removing the duplex sensor 1. Remove the duplex actuator (item #1). 2. Release the 3 tabs securing the duplex sensor and remove the sensor. 3. Disconnect p/j133 from the duplex sensor. 2 1 6250-183 6250-185.

  • Page 272: Removal of The Actuator

    Service parts disassembly 8-53 tray 1 actuator (pl 6.1.37) and tray 1 sensor (pl 6.1.4) removal of the actuator 1. Remove the front left cover (page 8-16). 2. Push down on the tray 1 metal plate and push the actuator in. 3. Slide the actuator (item #2) to the left and remove to the right. 4. Remove ...

  • Page 273: Removal of The Sensor

    8-54 phaser 6250 color laser printer service manual removal of the sensor 1. Remove the tray 1 actuator. 2. Open door b. 3. From the back of the sensor (item #1), release the 3 tabs securing the sensor and remove. 4. Disconnect p/j135 from the tray 1 sensor. 6250-188 1.

  • Page 274

    Service parts disassembly 8-55 static eliminator assembly (pl 6.1.9) 1. Remove the front cover assembly (page 8-6). 2. Remove 1 screw securing both the ground wire and the static eliminator assembly (item #2) to the chute assembly out (item #1). 3. Raise the left end up to clear the locator pin and ...

  • Page 275: Duplex Roller (Pl 6.1.12)

    8-56 phaser 6250 color laser printer service manual duplex roller (pl 6.1.12) 1. Remove the front left cover (page 8-16). 2. Release the tab securing gear 30 (item #4), see "duplex motor drive and gear - transmission route" on page 2-31 and remove the gear. 3. Remove the bearing (item #5) securing t...

  • Page 276

    Service parts disassembly 8-57 latch plate (pl 6.1.17), latch out (pl 6.1.18), latch holder (pl 6.1.19), and latch spring out (pl 6.1.20) 1. Remove the front right cover (page 8-15). 2. Remove the front left cover (page 8-16). 3. Remove the spring out (item #3) from the chute assembly out. 4. Releas...

  • Page 277

    8-58 phaser 6250 color laser printer service manual tray 1 paper pick assembly (pl 6.1.27) (roll feed) 1. Remove the front left cover (page 8-16). 2. Release the tab securing the roll core (item #1) to the shaft and slide right. 3. Push down on the tray 1 metal plate (item #2) and feed roller. 4. Sl...

  • Page 278: Reassembly Notes

    Service parts disassembly 8-59 tray 1 feed solenoid (pl 6.1.40) 1. Remove the chute assembly out (page 8-47). 2. Unhook the n/f tray 1 spring (item #1) from the solenoid stopper (item #2). 3. Disconnect p/j132 (orange wires) from the solenoid and shift the wires out of the cable guides on the chute ...

  • Page 279: Tray 1 Shaft (Pl 6.1.28)

    8-60 phaser 6250 color laser printer service manual tray 1 shaft (pl 6.1.28) 1. Remove the chute assembly out (page 8-47). 2. Remove the spring from the solenoid stopper (item #2). 3. Release the tab securing the solenoid stopper to the shaft and remove. 4. Release the tab on the tray 1 gear (item #...

  • Page 280: Reassembly Notes

    Service parts disassembly 8-61 tray 1 bottom plate (pl 6.1.42) 1. Remove the chute out assembly (page 8-47). 2. Remove the 2 screws securing the plate (item #1) to the chute out assembly. 3. Remove the left and right springs from the tray 1 shaft. Note in the following steps, shift the actuator out ...

  • Page 281: Chute Assembly Exit

    8-62 phaser 6250 color laser printer service manual chute assembly exit chute assembly exit (pl 7.1.1) 1. Remove the front cover (page 8-6). 2. Remove the front left cover (page 8-16). 3. Disconnect p/j131 and shift the harness to the side of the chute assembly out. 4. Remove the 2 screws, the upper...

  • Page 282: Exit Roller (Pl 7.1.4)

    Service parts disassembly 8-63 exit roller (pl 7.1.4) 1. Remove the chute assembly exit (page 8-62). 2. Release the tab securing the gear roll (item #1) to the shaft and remove the gear roll. 3. Remove the bearing from the left side of the shaft of the exit roller (item #2). 4. Remove the e-ring sec...

  • Page 283: Mid Roller (Pl 7.1.5)

    8-64 phaser 6250 color laser printer service manual mid roller (pl 7.1.5) 1. Remove the chute assembly exit (page 8-62) 2. Release the tab securing the gear roll (item #1) and remove the gear. 3. Remove the bearing from the left side of the shaft. 4. Remove the e-ring and bearing (item #2) securing ...

  • Page 284

    Service parts disassembly 8-65 duplex motor assembly (pl 7.1.8) 1. Remove the chute assembly exit (item #1) (page 8-62). 2. Rotate gear 48 (item #2) to access 1 screw securing the duplex motor assembly (item #6) to the chute assembly exit, then remove the other screw. 3. Remove the duplex motor asse...

  • Page 285: Reassembly Notes

    8-66 phaser 6250 color laser printer service manual exit actuator (fuser) (pl 8.1.7) 1. Open door b and remove the fuser assembly. 2. Lift the tab that secures the bearing to the left side of the fuser exit roller shaft and remove the bearing. 3. Move the exit roller slightly out of the way. 4. From...

  • Page 286: Strap (Pl 8.1.13)

    Service parts disassembly 8-67 strap (pl 8.1.13) 1. Open door b. Caution support door b when removing the strap to prevent damage to the unit, and continue to provide support or latch the door when the strap is removed. 2. Turn the top of the strap 90 degrees and remove top end of strap. 3. Push dow...

  • Page 287: Xerographics

    8-68 phaser 6250 color laser printer service manual xerographics laser unit (pl 9.1.1) 1. Remove the toner cartridge holder unit assembly (page 8-77). 2. Remove the rear fan (page 8-102). 3. Disconnect p/j151 from the laser unit. 4. Unhook the springs from the left and right ends of the shaft. Cauti...

  • Page 288

    Service parts disassembly 8-69 housing assembly bias (pl 9.1.4) note the imaging unit must be removed to prevent loss of the biasing buttons. 1. Remove the imaging unit and protect it from exposure to light. 2. Remove the left side cover (page 8-11). 3. Disconnect all the wires routed along the left...

  • Page 289: Replacement Notes

    8-70 phaser 6250 color laser printer service manual caution the biasing buttons fall out easily when touched from inside the printer, see the following drawing for location. Avoid touching the biasing buttons while the housing assembly bias is removed from the printer. Replacement notes caution to a...

  • Page 290

    Service parts disassembly 8-71 chute assembly registration (pl 9.1.6) and housing assembly electric (pl 9.1.11) 1. Remove the imaging unit and protect it from exposure to light. 2. Release the 2 tabs securing the housing assembly electric cover to the printer and lift straight up to remove. 3. Disco...

  • Page 291: Replacement Notes

    8-72 phaser 6250 color laser printer service manual 6. Raise the left side of the registration chute assembly and pull towards the left side of the printer to remove. Replacement notes note ensure the mylar strip (item #1) is not bent or pinched but seated properly in the middle cavity of the regist...

  • Page 292: Removal of Actuator

    Service parts disassembly 8-73 registration sensor actuator (pl 9.1.9) and registration sensor (pl 9.1.8) removal of actuator 1. Remove the chute assembly registration (page 8-71). 2. Shift the actuator (item #1) to the left, lift up on the right side and remove. 3. Remove the actuator spring (item ...

  • Page 293: Removal of Sensor

    8-74 phaser 6250 color laser printer service manual removal of sensor 1. Remove the registration actuator. 2. Disconnect p/j181. 3. Release the 3 tabs securing the sensor to the chute assembly registration and remove the sensor. Chute assy regi 6250-208.

  • Page 294

    Service parts disassembly 8-75 ohp sensor and harness (kit) (pl 9.1.12) 1. Remove the chute assembly registration (page 8-71). 2. Remove the 2 e-rings securing the 2 gears (items #4 & #5) and remove the gears. Note when removing the springs use caution, they spring off the shaft easily. 3. Remove bo...

  • Page 295: Replacement Notes:

    8-76 phaser 6250 color laser printer service manual 7. Raise the left end of the shaft and remove with the right white plastic bearing attached. 8. Pull back on the tabs on the bottom of the chute assembly to remove the ohp sensor cover (item #10). 9. Lift the retaining tab and remove the ohp sensor...

  • Page 296

    Service parts disassembly 8-77 toner cartridge holder assemblies toner cartridge holder unit assembly (pl 10.1) note use only a type ii toner vacuum to remove toner deposits before removing the toner cartridge holder unit (item #1). When removing toner deposits, be careful not to get toner into the ...

  • Page 297

    8-78 phaser 6250 color laser printer service manual 6. Disconnect p/j51 from the motor driver board (item #3). 7. Disconnect p/j144 (yellow top) and p/j145 (gray bottom) from the eeprom board (item #4). 8. Disconnect the third connector down (p/j71) from the connector block on the left side of the p...

  • Page 298: Replacement Notes

    Service parts disassembly 8-79 13. Remove the 8 screws securing the toner cartridge holder unit and carefully remove the unit to the left. Flex the dispenser plate slightly during removal to clear the locator pin and the clearance notch at the front. Note the 4 screws on the right side of the printe...

  • Page 299: (Y) (Pl 10.1.1)

    8-80 phaser 6250 color laser printer service manual toner cartridge holder assembly (y) (pl 10.1.1) (m) (pl 10.1.2) (c) (pl 10.1.3 (k) (pl 10.1.4) 1. Remove the holder toner cartridge assembly unit (page 8-77). Note reinstall the toner cartridges to prevent spillage. The holders need to be removed i...

  • Page 300

    Service parts disassembly 8-81 2. Disconnect the following plug/jacks from each dispenser: ■ y - p/j511 and p/j701 ■ m - p/j512 and p/j702 ■ c - p/j513 and p/j703 ■ k - p/j514 and p/j704 3. Remove the harness from the cable guides on the side of the yellow toner cartridge holder assembly. 4. Remove ...

  • Page 301: And 10.1.22)

    8-82 phaser 6250 color laser printer service manual toner present switch bracket and actuator (pl 10.1.6 and 10.1.22) 1. Remove the imaging unit and protect it from exposure to light. 2. Remove the top main cover, see page 8-9. 3. Remove the left and right side covers, see page 8-11. 4. Remove the r...

  • Page 302

    Service parts disassembly 8-83 11. Carefully pry the tabs securing the toner present switch assembly with a small screwdriver and remove the switch. Left 6250-217.

  • Page 303: Toner Low Sensor (Pl 10.1.5)

    8-84 phaser 6250 color laser printer service manual toner low sensor (pl 10.1.5) 1. Remove the toner cartridge holder assembly of the relevant color following the procedure given for the "toner present switch bracket and actuator (pl 10.1.6 and 10.1.22)" on page 8-82. Note to prevent toner spills, l...

  • Page 304: Replacement Notes

    Service parts disassembly 8-85 crum reader box assembly (pl 10.1.21) 1. Remove the top main cover (page 8-9). 2. Remove the right and left side covers (page 8-11). 3. Remove the rear cover (page 8-12). 4. Disconnect p/j 342 and p/j 3411 from the crum reader box assembly and remove the wires from the...

  • Page 305: Eeprom Board (Pl 10.1.14)

    8-86 phaser 6250 color laser printer service manual eeprom board (pl 10.1.14) 1. Remove the left side cover (page 8-11). Caution the yellow and gray harnesses to the eeprom board contain the same number of pins, but are not interchangeable. Make sure p/j144 (yellow) is connected to the top connector...

  • Page 306

    Service parts disassembly 8-87 sub-high voltage power supply board (pl 10.1.15) 1. Remove the left side cover (page 8-11). 2. Disconnect p/j5011, p/j5030, and p/j5020 from the sub-high voltage power supply board. 3. Remove the 4 screws securing the board to the printer and remove the sub-high voltag...

  • Page 307: Frame and Drive Assemblies

    8-88 phaser 6250 color laser printer service manual frame and drive assemblies left lever plate (pl 11.1.1), lever bracket (pl 11.1.2), lever link (pl 11.1.3), lever drum (pl 11.1.4), and lever spring (pl 11.1.5) 1. Remove the left cover (page 8-11). 2. Remove the top imaging unit cover door c (page...

  • Page 308

    Service parts disassembly 8-89 7. Unhook the top end of each of the four lever springs (item #2) from the arm of the drum lever where it extends through the lever link. 6250-242 4 5 6.

  • Page 309

    8-90 phaser 6250 color laser printer service manual 8. Carefully remove the left link lever (item #4) from the printer chassis together with the springs and the drum levers (item #3). Caution do not accidentally knock out the stud plungers (bias contacts). Note for reassembly ensure the drum levers ...

  • Page 310

    Service parts disassembly 8-91 lever plate right (pl 11.1.7), lever bracket (pl 11.1.2), lever link (pl 11.1.6), lever drum (pl 11.1.4), and lever spring (pl 11.1.5) 1. Remove the right cover (page 8-11). 2. Remove the top imaging unit cover (door c) (page 8-10). 3. Remove the right link spring (pl1...

  • Page 311

    8-92 phaser 6250 color laser printer service manual 8. Unhook the top end of each of the four lever springs (item #2) from the arm of the drum lever where it extends through the lever link. 6 3 5 6250-243.

  • Page 312

    Service parts disassembly 8-93 9. Carefully remove the right link lever (item #3) from the printer chassis together with the springs and the drum levers (item #4). Note for reassembly ensure the drum levers are seated properly on the aligning posts. Note when replacing the lever link, ensure that th...

  • Page 313

    8-94 phaser 6250 color laser printer service manual main drive assembly (pl 11.1.14) 1. Remove the cover top main (page 8-9). 2. Remove the cover front right (page 8-15). 3. Remove the cover right (page 8-11). 4. Remove the link: right (page 8-13). 5. Disconnect the p/j48 from the motor driver board...

  • Page 314

    Service parts disassembly 8-95 developer drive assembly (pl 11.1.13) 1. Remove the right cover (page 8-11) 2. Disconnect connector p/j49 from the motor driver board 3. Remove the motor driver board (page 8-101). 4. Remove the 4 screws securing the developer drive assembly (item #1) and remove. 1 625...

  • Page 315

    8-96 phaser 6250 color laser printer service manual actuator, i/l (pl 11.1.8) and spring, i/l (pl 11.1.9) 1. Remove the right cover (page 8-11) 2. Remove the 4 screws on the motor driver board and set the board to the side. 3. Remove the spring from the actuator. 4. Release the hook securing the act...

  • Page 316

    Service parts disassembly 8-97 earth ground circuit board (pl 11.1.16) 1. Remove the fuser assembly. 2. Remove the transfer roll assembly. 3. Remove the chute assembly registration (page 8-71). 4. Remove the housing assembly retard (page 8-37). Note loosen the screw securing the grounding strap at t...

  • Page 317: Electrical

    8-98 phaser 6250 color laser printer service manual electrical ac switch harness assembly (pl 12.1.11) 1. Remove the top main cover (page 8-9). 2. Remove the right cover (page 8-11). 3. Remove the screw securing the ground wire to the lvps (item #1). 4. Release the tabs securing the harness cable gu...

  • Page 318

    Service parts disassembly 8-99 low-voltage power supply (pl 12.1.10) 1. Remove the imaging unit (routine maintenance item) and protect it from exposure to light. 2. Remove the top main cover (page 8-9). 3. Remove the right and left side covers (page 8-11). 4. Remove the rear cover (page 8-12). Note ...

  • Page 319: Replacement Notes

    8-100 phaser 6250 color laser printer service manual replacement notes note the self tapping screw goes in the upper left corner of the lvps 6250-230

  • Page 320

    Service parts disassembly 8-101 motor driver board (pl 12.1.12) 1. Remove the top main cover (page 8-9). 2. Remove the front right cover (page 8-15). 3. Remove the right cover (page 8-11). 4. Disconnect all the connectors on the motor driver board. 5. Remove the 4 screws securing the motor driver bo...

  • Page 321: Rear Fan (Pl 12.1.2)

    8-102 phaser 6250 color laser printer service manual rear fan (pl 12.1.2) 1. Remove the cover rear (page 8-12). 2. Disconnect p/j166 from the low-voltage power supply board. 3. Carefully shift the harness out of the 4 hooks on the toner cartridge holder assembly. 4. Remove the 2 screws securing the ...

  • Page 322: Card Cage

    Service parts disassembly 8-103 card cage note you do not need to remove the laser unit. Caution remove the chute assembly registration and the housing assembly bias prior to removing the card cage to prevent damaging the bias springs. 1. Remove the chute assembly registration (page 8-71). 2. Remove...

  • Page 323

    8-104 phaser 6250 color laser printer service manual 11. Disconnect p/j 2361 (yellow wires) going to the temperature/humidity sensor. 12. Disconnect p/j 144 (yellow wires) from the eeprom board (pl 10.1.14). 13. At the front of the card cage, remove the two screws from the metal of the card cage, no...

  • Page 324: Replacement Notes

    Service parts disassembly 8-105 16. Carefully slide the card cage free while ensuring that cables do not catch and get damaged. Replacement notes caution when reinstalling the card cage, make sure the chute assembly registration and the housing assembly bias are installed after reinstalling the card...

  • Page 325: Replacement Notes

    8-106 phaser 6250 color laser printer service manual housing assembly contact (pl 12.1.14) 1. Remove the card cage assembly (page 8-103). 2. Release the 2 tabs securing the housing assembly contact to the card cage and remove the housing assembly contact. Replacement notes note insert the rear tab f...

  • Page 326

    Service parts disassembly 8-107 engine control circuit board (pl12.1.1) caution critical printer specific information is stored in the engine nvram. Save this information to the image processor board using the service diagnostic nvram access/mcu nvram store/restore function. Detailed information is ...

  • Page 327: Replacement Notes

    8-108 phaser 6250 color laser printer service manual 6. Disconnect all connectors on the engine control board. 7. Remove the 6 screws securing the engine control board to the card cage and remove the board. Replacement notes note after the engine control board is replaced, nvram data saved prior to ...

  • Page 328

    Service parts disassembly 8-109 caution re-install the engine control board and the card cage prior to installing the chute assembly registration and the housing assembly bias to prevent damaging the bias springs. Caution position the replacement board so that the alignment pin goes through the hole...

  • Page 329: Replacing The Board

    8-110 phaser 6250 color laser printer service manual image processor board (pl12.1.4) caution observe proper esd procedures (page 8-3) when removing any circuit board from the printer. 1. Turn the printer power off. 2. Disconnect any cables attached to the image processor board. 3. Loosen the 2 thum...

  • Page 330: Cover Front (Pl14.2.4)

    Service parts disassembly 8-111 optional high capacity feeder disassembly cover front (pl14.2.4) 1. Remove paper trays 3 and 4. 2. Carefully pry up on the 3 tabs securing the cover front to the frame and remove the cover front. Reassembly note when replacing the cover front note the orientation. Ali...

  • Page 331

    8-112 phaser 6250 color laser printer service manual cover, right (pl14.2.1) and cover, left (pl14.2.3) 1. Remove paper trays 3 and 4. 2. Remove the front covers (page 8-111). 3. Remove the 5 screws securing the cover right and the 5 screws securing the cover left. 4. Holding both ends of the cover,...

  • Page 332

    Service parts disassembly 8-113 turn chute assembly (pl14.3.7) 1. Remove both paper trays from the hcf. 2. Holding the chute asssembly turn, grip at both ends, push it down and release the 2 tabs from the hole in the fame top. 3. Release the tabs securing the chute assembly turn to the tray guide le...

  • Page 333: (Pl14.5.2)

    8-114 phaser 6250 color laser printer service manual tray 3 harness assembly (pl14.5.3), tray 4 harness assembly (pl14.5.4), and hcf plug harness assembly (pl14.5.2) 1. Remove both paper trays from the hcf assembly. 2. Remove the front covers (page 8-111). 3. Remove the cover right (page 8-112). 625...

  • Page 334: Harness Assembly Tray 3

    Service parts disassembly 8-115 harness assembly tray 3 1. Disconnect p/j82 (gray) from the hcf circuit board 2. Remove the harness assembly tray 3. Harness assembly tray 4 1. Disconnect p/j83 (blue) from the power feeder circuit board and remove the harness assembly tray 4. Harness assembly feeder ...

  • Page 335: Replacement Notes

    8-116 phaser 6250 color laser printer service manual circuit board, hcf (pl14.5.1) 1. Remove both paper trays from the hcf. 2. Remove the front covers (page 8-111). 3. Remove the cover right (page 8-112). 4. Disconnect p/j81 from the harness feeder plug assembly. 5. Disconnect p/j82 from the harness...

  • Page 336

    Service parts disassembly 8-117 drive feeder assembly (pl14.5.5) 1. Remove both paper trays from the hcf. 2. Remove the front covers (page 8-111). 3. Remove the right cover (page 8-112). 4. Release the tray 2 harness assembly (gray) from the cable restraints. 5. Disconnect p/j84. 6. Remove the 3 scr...

  • Page 337: Reassembly

    8-118 phaser 6250 color laser printer service manual indicator assembly (pl14.5.9) 1. Remove both paper trays from the hcf. 2. Remove the front covers (page 8-111). 3. Remove the right cover (page 8-112). 4. Push down on the black bearing, on the top of the indicator shaft, lift up on the shaft and ...

  • Page 338: (Pl 14.5.8)

    Service parts disassembly 8-119 right tray guide (pl14.3.5)and low paper lever (pl 14.5.8) guide assembly paper tray right 1. Remove both paper trays from the hcf. 2. Remove the front covers (page 8-111). 3. Remove the right cover (page 8-112). 4. Remove the turn chute assembly (page 8-113) . 5. Rem...

  • Page 339

    8-120 phaser 6250 color laser printer service manual 11. Release the 7 tabs securing the right tray guide to the hcf frame. 12. Carefully remove the low paper lever from the slit in the right tray guide. 6250-275.

  • Page 340

    Service parts disassembly 8-121 13. Remove the guide assembly right by rotating the top in. 14. Repeat steps 11 - 14 to remove the lower guide. 6250-276.

  • Page 341: Left Tray Guide (Pl14.3.3)

    8-122 phaser 6250 color laser printer service manual left tray guide (pl14.3.3) 1. Remove both paper trays from the hcf. 2. Remove the front covers (page 8-111). 3. Remove the left cover (page 8-112). 4. Remove the turn chute assembly (page 8-113). 5. Remove the 5 screws securing the left tray guide...

  • Page 342

    Service parts disassembly 8-123 8. Repeat steps 1 - 7 to remove the lower guide. 6250-278.

  • Page 343: Link Actuator (Pl 14.4.6)

    8-124 phaser 6250 color laser printer service manual link actuator (pl 14.4.6) 1. Remove both paper trays from the hcf. 2. Remove the paper tray rear cover. 3. Reach in through the rear of the printer and spread the tabs of the link actuator apart. 4. Remove the link actuator from the bracket in the...

  • Page 344

    Service parts disassembly 8-125 hcf paper pick assembly (pl14.4.1) 1. Remove the right and left tray guide assemblies (page 8-119) and (page 8-122). 2. Remove the link actuator (page 8-124). 3. Remove the 2 screws securing the paper pick assembly to the right side of the hcf frame. 4. Release 2 tabs...

  • Page 345: Idler Gear (Pl14.5.6)

    8-126 phaser 6250 color laser printer service manual idler gear (pl14.5.6) 1. Remove the tray 4 guide assembly right and left (page 8-119) (page 8-122). 2. Remove the link actuator (page 8-124). 3. Remove the paper pick assembly for tray 4 (page 8-125). 4. Remove the gear idler. Note when replacing,...

  • Page 346

    Service parts disassembly 8-127 no paper, low paper sensor (pl14.5.7) 1. Remove the paper trays. 2. Remove the cover front (page 8-111). 3. Remove the cover right (page 8-112). 4. Remove the turn chute assembly (page 8-113). 5. Remove the indicator assembly (page 8-118). 6. Remove the bracket low pa...

  • Page 347

    8-128 phaser 6250 color laser printer service manual paper size switch assembly (pl14.3.6) 1. Remove the right tray guide assembly (page 8-119). 2. Remove the 1 screw securing the paper size switch to the right guide assembly and remove the switch. 6250-268.

  • Page 348: Replacement Notes

    Service parts disassembly 8-129 casters, locking (pl 14.2.5)/non-locking (pl 14.2.6) 1. Remove both paper trays from the hcf. 2. Turn the hcf upside down to access the casters. 3. For the locking (front) casters only, remove 1 screw securing the guide, caster (item #1) (pl 14.2.8) to the bottom of t...

  • Page 349: Cover Front (Pl15.2.4)

    8-130 phaser 6250 color laser printer service manual optional 500-sheet feeder disassembly cover front (pl15.2.4) 1. Remove paper tray 3. 2. Carefully pry up on the 3 tabs securing the cover front to the frame and remove the cover front. Reassembly note when replacing the cover front note the orient...

  • Page 350: Reassembly

    Service parts disassembly 8-131 cover, right (pl15.2.2) and cover, left (pl15.2.1) 1. Remove paper tray 3. 2. Remove the front covers (page 8-130). 3. Remove the 4 screws securing the cover right and the 4 screws securing the cover left. 4. Holding both ends of the cover, lift the cover and move lef...

  • Page 351

    8-132 phaser 6250 color laser printer service manual turn chute assembly (pl15.3.9) 1. Remove the paper tray from the 500-sheet feeder. 2. Holding the chute asssembly turn, grip at both ends, push it down and release the 2 tabs from the hole in the frame top. 3. Release the tabs securing the chute a...

  • Page 352: Harness Assembly (Pl15.5.2)

    Service parts disassembly 8-133 tray 3 harness assembly (pl15.5.3) and stf plug harness assembly (pl15.5.2) 1. Remove the paper tray from the stf assembly. 2. Remove the front covers (page 8-130). 3. Remove the cover right (page 8-131). 6250-413.

  • Page 353: Harness Assembly Tray 3

    8-134 phaser 6250 color laser printer service manual harness assembly tray 3 1. Disconnect p/j82 (gray) from the stf circuit board 2. Remove the harness assembly tray 3. Harness assembly feeder plug note the wide slot in the middle of the plug faces outward. The tabs on the bottom of j810 can be eas...

  • Page 354: Replacement Notes

    Service parts disassembly 8-135 circuit board, stf (pl15.5.1) 1. Remove the paper tray from the stf. 2. Remove the front covers (page 8-130). 3. Remove the cover right (page 8-131). 4. Disconnect p/j81 from the harness feeder plug assembly. 5. Disconnect p/j82 from the harness assembly tray 3. 6. Di...

  • Page 355

    8-136 phaser 6250 color laser printer service manual drive feeder assembly (pl15.5.5) 1. Removethe paper tray from the stf. 2. Remove the front covers (page 8-130). 3. Remove the right cover (page 8-131). 4. Release the tray 3 harness assembly (gray) from the cable restraints. 5. Disconnect p/j84. 6...

  • Page 356: Reassembly

    Service parts disassembly 8-137 indicator assembly (pl15.5.8) 1. Remove the paper tray from the stf. 2. Remove the front covers (page 8-130). 3. Remove the right cover (page 8-131). 4. Push down on the black bearing, on the top of the indicator shaft, lift up on the shaft and pull out of the hole in...

  • Page 357: (Pl 15.5.7)

    8-138 phaser 6250 color laser printer service manual right tray guide (pl15.3.5)and low paper lever (pl 15.5.7) guide assembly paper tray right 1. Remove the paper tray from the stf. 2. Remove the front covers (page 8-130). 3. Remove the right cover (page 8-131). 4. Remove the turn chute assembly (p...

  • Page 358

    Service parts disassembly 8-139 11. Release the 7 tabs securing the right tray guide to the stf frame. 12. Carefully remove the low paper lever from the slit in the right tray guide. 6250-417.

  • Page 359

    8-140 phaser 6250 color laser printer service manual 13. Remove the guide assembly right by rotating the top in.. 6250-418.

  • Page 360: Left Tray Guide (Pl15.3.3)

    Service parts disassembly 8-141 left tray guide (pl15.3.3) 1. Remove the paper tray from the stf. 2. Remove the front covers (page 8-130). 3. Remove the left cover (page 8-131). 4. Remove the turn chute assembly (page 8-132). 5. Remove the 5 screws securing the left tray guide assembly to the stf fr...

  • Page 361

    8-142 phaser 6250 color laser printer service manual 7. Remove the guide assembly by rotating the top inward. 6250-420

  • Page 362: Link Actuator (Pl 15.4.6)

    Service parts disassembly 8-143 link actuator (pl 15.4.6) 1. Remove the paper tray from the stf. 2. Remove the paper tray rear cover. 3. Reach in through the rear of the stf and spread the tabs of the link actuator apart. 4. Remove the link actuator from the bracket in the stf. 5. Remove the actuato...

  • Page 363

    8-144 phaser 6250 color laser printer service manual stf paper pick assembly (pl15.4.1) 1. Remove the right and left tray guide assemblies (page 8-138) and (page 8-141). 2. Remove the link actuator (page 8-143). 3. Remove the 2 screws securing the paper pick assembly to the right side of the stf fra...

  • Page 364

    Service parts disassembly 8-145 no paper, low paper sensor (pl15.5.6) 1. Remove the paper tray. 2. Remove the cover front (page 8-130). 3. Remove the cover right (page 8-131). 4. Remove the turn chute assembly (page 8-132). 5. Remove the indicator assembly (page 8-137). 6. Remove the bracket low pap...

  • Page 365

    8-146 phaser 6250 color laser printer service manual paper size switch assembly (pl15.3.6) 1. Remove the right tray guide assembly (page 8-138). 2. Remove the 1 screw securing the paper size switch to the right guide assembly and remove the switch. 6250-268.

  • Page 366: In This Chapter...

    9 chapter parts list in this chapter... ■ serial number format ■ using the parts list ■ print engine parts ■ harness assemblies ■ optional high-capacity feeder ■ optional 500-sheet feeder ■ xerox supplies and accessories.

  • Page 367: Serial Number Format

    9-2 phaser 6250 color laser printer service manual 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 model number ■...

  • Page 368: Using The Parts List

    Parts list 9-3 using the parts list 1. No.: the callout number from the exploded part diagram. 2. Part number: the material part number used to order specific parts. Note an asterisk following the part number identifies parts that are unique to the phaser 6250 color laser printer. All other part are...

  • Page 369: Print Engine Parts

    9-4 phaser 6250 color laser printer service manual print engine parts pl 1.1 covers 6250-286.

  • Page 370

    Parts list 9-5 pl 1.1 covers - service parts list no. Part number qty name/description 1. 333-4405-00* 1 control panel (front panel display) 2. 116-1357-00* 1 cover assembly, front (with 3-7) 3. 1 cover, front (ns, part of pl 1.1.2) 4. 1 holder, lever out (ns) 5. 1 lever out (ns) 6. 1 con. Amp 17569...

  • Page 371

    9-6 phaser 6250 color laser printer service manual 32. 116-1592-00* 1 kit, cover front retaining clips 99 116-1377-00* 1 tray 1, (mpt) (with 26 and 27) pl 1.1 covers - service parts list no. Part number qty name/description.

  • Page 372: Pl 2.1 Universal Paper Tray

    Parts list 9-7 pl 2.1 universal paper tray pl 2.1 tray, univeral paper - service parts list id no. Part number qty name/description 1. 116-1378-00* 1 universal paper tray (with 2~6) 2. 116-1331-00 2 paper feed roller kit* *(2 interchangeable rollers per order) 3. 116-1332-00 1 assembly, friction clu...

  • Page 373: Pl 3.1 Paper Feed I

    9-8 phaser 6250 color laser printer service manual pl 3.1 paper feed i 6250-288.

  • Page 374

    Parts list 9-9 pl 3.1 paper feed i - service parts list table id no. Part number qty name/description 1. 116-1335-00 1 cover, feeder, front 2. 116-1336-00 1 assembly, turn chute 3. 116-1491-00* 1 cover, paper tray, rear 4. 116-1338-00 3 block (1 per order) 5. 212-0237-00 4 long screw (m3 x 85) kit (...

  • Page 375: Pl 3.2 Paper Feed II

    9-10 phaser 6250 color laser printer service manual pl 3.2 paper feed ii 6250-289.

  • Page 376

    Parts list 9-11 pl 3.2 paper feed ii - fru parts list table id no. Part number qty name/description 1. 116-1340-00 1 assembly, harness, temperature/humidity (j231~j2361) 2. 116-1341-00 1 sensor, temperature/humidity 3. 116-1342-00 1 asssembly, harness, lta (hcf) (j210~p810) 4. 116-1343-00 1 assembly...

  • Page 377: Pl 3.3 Paper Feed III

    9-12 phaser 6250 color laser printer service manual pl 3.3 paper feed iii 6250-290

  • Page 378

    Parts list 9-13 pl 3.3 paper feeder iii - service parts list id no. Part number qty name/description 1. 116-1352-00 1 assembly, paper pick (with 2~5 & 7~23) 2. 1 shaft, feed 1 (ns) 3. 116-1353-01 2 paper pick roller kit (2 per order) 4. 116-1354-00 1 sensor, (no paper, low paper) 5. 116-1355-00 1 ac...

  • Page 379

    9-14 phaser 6250 color laser printer service manual pl 4.1 housing assembly retard 6250-291.

  • Page 380

    Parts list 9-15 pl 4.1 assembly, housing retard - service parts list table id no. Part number qty name/description 1. 116-1492-00* 1 assembly, housing retard (with 2~13) 2. 1 roll, turn (ns) 3. 1 shaft, retard (ns) 4. 1 assembly, friction clutch (ns) 5. 116-1371-00 1 assembly, retard roll 6. 1 holde...

  • Page 381: Pl 5.1 Chute Assembly In

    9-16 phaser 6250 color laser printer service manual pl 5.1 chute assembly in 6250-292.

  • Page 382

    Parts list 9-17 pl 5.1 chute assembly, in - service parts list table id no. Part number qty name/description 1 116-1493-00* 1 chute assembly, in (with 2~30) 2 116-1381-00 1 assembly, wiring 2nd btr (j5020)(transfer roller) 3 116-1382-00 1 spring, 2nd btr 4 116-1383-00 1 shaft, btr in 5 116-1384-00 1...

  • Page 383: Pl 6.1 Chute Assembly Out

    9-18 phaser 6250 color laser printer service manual pl 6.1 chute assembly out 6250-293.

  • Page 384

    Parts list 9-19 pl 6.1 chute assembly, out - service parts list table id no part number qty name/description 1. 116-1591-00* 1 assembly, chute out (with 2~43 & pl 7.1) 2. 116-1411-00 1 assembly, harness, front 2 3. 116-1593-00* 1 assembly, harness, front panel 4. 116-1413-00 3 sensor, (dup jam, full...

  • Page 385

    9-20 phaser 6250 color laser printer service manual 32. 33. 34. 35. 116-1433-00 1 plate, out mpt 36. 116-1434-00 1 sensor, spring mpt 37. 116-1435-00 1 actuator, mpt 38. 116-1436-00 1 solenoid stopper 39. 116-1437-00 1 solenoid, spring 40. 116-1438-00 1 feed solenoid, mpt 41. 1 chute, out (ns) 42. 1...

  • Page 386

    Parts list 9-21 (this page intentionally left blank).

  • Page 387: Pl 7.1 Chute Assembly Exit

    9-22 phaser 6250 color laser printer service manual pl 7.1 chute assembly exit 6250-294.

  • Page 388

    Parts list 9-23 pl 7.1 chute assembly, exit - service parts list table id no. Part number qty name/description 1. 116-1595-00* 1 chute assembly, exit (with 2~13) 2. 2 gear roll (ns) 3. 2 bearing earth (ns) 4. 1 roll, exit (ns) 5. 1 roll, mid (ns) 6. 1 chute, exit lower (ns) 7. 2 bearing (ns) 8. 1 as...

  • Page 389

    9-24 phaser 6250 color laser printer service manual pl 8.1 transfer roller & fuser assembly (rmis) 6250-295.

  • Page 390

    Parts list 9-25 pl 8.1 transfer roller and fuser - service parts list table id no. Part number qty name/description 1. 1a 1b 115r00029* 115r00030* 1 1 110 v fuser, phaser 6250 (with 7 and 8) 220 v fuser, phaser 6250 (with 7 and 8) 2. - - - - - - 3. - - - - - - 4. - - - - - - 5. - - - - - - 6. - - - ...

  • Page 391: Pl 9.1 Xerographics

    9-26 phaser 6250 color laser printer service manual pl 9.1 xerographics 6250-296.

  • Page 392

    Parts list 9-27 pl 9.1 xerographics - service parts list table id no. Part number qty name/description 1. 116-1597-00* 1 laser unit 2. 116-1452-00 2 spring, ros (1 per order) 3. 108r00591* 1 imaging unit, phaser 6250 4. 116-1453-00 1 bias housing assembly 5. 116-1454-00 8 plunger, stud (biasing butt...

  • Page 393

    9-28 phaser 6250 color laser printer service manual pl 10.1 holder toner cartridge assembly 6250-497.

  • Page 394

    Parts list 9-29 note ** when a new eeprom board is installed in the printer, the crum data written to the eeprom makes it unique to that printer. The eeprom board cannot be re-used in another printer. Pl 10.1 toner cartridge holder unit assemblies - service parts list id no. Part number qty name/des...

  • Page 395

    9-30 phaser 6250 color laser printer service manual pl 11.1 frame and drive assemblies 6250-297.

  • Page 396

    Parts list 9-31 pl 11.1 frame and drive assemblies - service parts list table id no. Part number qty name/description 1. 1 lever, plate left (ns) 2. 116-1471-00 2 lever, bracket (1 per order) 3. 116-1472-00 1 lever, link , left 4. 116-1473-00 8 lever, drum (1 per order) 5. 116-1474-00 8 lever, sprin...

  • Page 397: Pl 12.1 Electrical

    9-32 phaser 6250 color laser printer service manual pl 12.1 electrical s6200-240

  • Page 398

    Parts list 9-33 pl 12.1 electrical - service parts list table id no. Part number qty name/description 1 116-1612-00* 1 circuit board, engine control 2 116-1488-00 1 rear fan 3 116-1489-00 2 harness, clamp guide (1 per order) 4 4a 4b 4c 4d 650-4271-01* 163-1459-00 163-1500-00 163-1501-00 163-1502-00 ...

  • Page 399: Pl 13.1

    9-34 phaser 6250 color laser printer service manual pl 13.1 harness assemblies 6250-299.

  • Page 400

    Parts list 9-35 pl 13.1 - harness assemblies - service parts list table id no. Part number qty name/description 1. 116-1616-00* 1 assembly, harness, lvnc (j165-61) 2. 116-1500-00 1 assembly, harness, drv 1 (j11-j41) 3. 116-1617-00* 1 assembly, harness, drv 2 (j12-j42) 4. 116-1502-00 1 assembly, harn...

  • Page 401: Pl 14.1 Paper Trays 3 & 4

    9-36 phaser 6250 color laser printer service manual optional high-capacity feeder pl 14.1 paper trays 3 & 4 pl 14.1 tray 3 & 4, univeral paper - service parts list table id no. Part number qty name/description 1. 116-1378-00* 1 universal paper tray (with 2~6) 2. 116-1331-00 2 paper feed roller kit**...

  • Page 402

    Parts list 9-37 pl 14.2 high-capacity feeder covers pl 14.2 high-capacity feeder covers- service parts list table id no. Part number qty name/description 1. 116-1510-00 1 cover, left 2. 3. 116-1511-00 1 cover, right 4. 116-1512-00 3 cover, front (1 per order) 5. 116-0009-00 2 casters, locking (1 per...

  • Page 403: Assembly

    9-38 phaser 6250 color laser printer service manual pl 14.3 high-capacity feeder guides and turn chute assembly 6250-483.

  • Page 404

    Parts list 9-39 pl 14.3 high-capacity feeder guides and chute - service parts list table id no. Part number qty name/description 1. Guide assembly, left (with 3 and 8) (ns) 2. Guide assembly, right (with 5 and 6) (ns) 3. 116-1515-00 2 guide, tray left (1 per tray) 4. 5. 116-1516-00 2 guide, tray rig...

  • Page 405

    9-40 phaser 6250 color laser printer service manual pl 14.4 paper pick assembly trays 3 & 4 6250-484.

  • Page 406

    Parts list 9-41 pl 14.4 paper pick assembly trays 3 & 4 - service parts list table id no. Part number qty name/description 1. 116-1517-00 1 paper pick assembly, lta (with 2~5, 7~23) 2. 1 shaft, feed 1 (ns) 3. 116-1353-01 2 paper pick roller kit (2 per order) 4. 116-1354-00 1 sensor, no paper, low pa...

  • Page 407: Motor

    9-42 phaser 6250 color laser printer service manual pl 14.5 high-capacity feeder harness, board and motor 6250-485.

  • Page 408

    Parts list 9-43 pl 14.5 high-capacity feeder harness, board, motor - service parts list table id no. Part number qty name/description 1. 116-1622-00* 1 circuit board, lower feeder 2. 116-1519-00 1 assembly, opt feeder plug 3. 116-1623-00* 1 assembly, harness, tray 3 4. 116-1521-00 1 assembly, harnes...

  • Page 409: Optional 500-Sheet Feeder

    9-44 phaser 6250 color laser printer service manual optional 500-sheet feeder pl 15.1 paper tray 3 pl 15.1 tray 3, univeral paper - service parts list table id no. Part number qty name/description 1. 116-1378-00* 1 universal paper tray (with 2~6) 2. 116-1331-00 2 paper feed roller kit** **(2 interch...

  • Page 410

    Parts list 9-45 pl 15.2 500-sheet feeder covers pl 15.2 500-sheet feeder covers- service parts list table id no. Part number qty name/description 1. 1 cover, left (ns) 2. 1 cover, right (ns) 3. 1 indicator, paper (1per order) (ns) 4. 2 cover, front (1 per order) (ns) 5. 116-1626-00* 4 kit, feet (4 f...

  • Page 411: Assembly

    9-46 phaser 6250 color laser printer service manual pl 15.3 500-sheet feeder guides and turn chute assembly 6250-428.

  • Page 412

    Parts list 9-47 pl 15.3 500-sheet feeder guides and chute - service parts list table id no. Part number qty name/description 1. Guide assembly, left (with 3 and 4) (ns) 2. Guide assembly, right (with 5 and 6) (ns) 3. 116-1515-00 1 guide, tray left 4. 116-1351-00 1 paper tray stopper 5. 116-1516-00 1...

  • Page 413

    9-48 phaser 6250 color laser printer service manual pl 15.4 paper pick assembly tray 3 6250-429.

  • Page 414

    Parts list 9-49 pl 15.4 paper pick assembly tray 3 - service parts list table id no. Part number qty name/description 1. 116-1517-00 1 paper pick assembly, lta (with 2~5, 7~23) 2. 1 shaft, feed 1 (ns) 3. 116-1353-01 2 paper pick roller kit (2 per order) 4. 116-1354-00 1 sensor, no paper, low paper 5...

  • Page 415

    9-50 phaser 6250 color laser printer service manual pl 15.5 500-sheet feeder harness, board and motor pl 15.5 500-sheet feeder harness, board, motor - service parts list table id no. Part number qty name/description 1. 116-1622-00* 1 circuit board, lower feeder 2. 116-1519-00 1 assembly, opt feeder ...

  • Page 416

    Parts list 9-51 xerox supplies and accessories repair kits, world kits and repacking kits description part number kit, gear, paper feed 116-1367-00 kit, bush, exit chute 116-1596-00* kit, ohp sensor with harness 116-1459-00 kit, registration sensor actuator and spring 116-1627-00* kit, printer feet ...

  • Page 417

    9-52 phaser 6250 color laser printer service manual cable pwr aust 240 v, 96l 161-0066-11 cable assy swiss 220/240 v, 50 hz 161-0154-00 cable assy pwr. Danish, 250 v 161-0240-00 cable assy pwr, prc 161-0304-00 power, 240 v, argentina 161-0307-00 upgrade kits and options description part number inter...

  • Page 418

    Parts list 9-53 cyan toner cartridge, standard-capacity cyan toner cartridge, high-capacity 106r00668* 106r00672* black toner cartridge, standard-capacity black toner cartridge, high-capacity 106r00671* 106r00675* routine maintenance items description part number imaging unit, phaser 6250 108r00591*...

  • Page 419

    9-54 phaser 6250 color laser printer service manual phaser glossy coated paper, a, 100 sheets 016-1704-00 phaser glossy coated paper, a4 100 sheets 016-1705-00 phaser color printing labels, a, 30 per, 100 sheets 016-1812-00 phaser color printing labels, a, 6 per, 100 sheets 016-1813-00 phaser color ...

  • Page 420

    Parts list 9-55 phaser digital photo paper, a4, 50 sheets 016-2010-00 phaser premium postcards, letter (8.5 x 11 in.), 100 sheets 103r01016 phaser premium postcards, a4 (210 x 297mm), 100 sheets 103r01017 phaser glossy trifold brochure, letter (8.5 x 11 in.), 100 sheets 103r01018 phaser glossy trifo...

  • Page 421

    9-56 phaser 6250 color laser printer service manual.

  • Page 422: In This Chapter...

    10 chapter wiring diagrams in this chapter... ■ plug/jack locator maps ■ print engine wiring diagrams ■ printer options wiring diagrams.

  • Page 423: Plug/jack Locator Maps

    10-2 phaser 6250 color laser printer service manual plug/jack locator maps use the table and maps in this section to locate specific plug/jack (p/j) connectors within the printer. To find the location of a p/j within the printer: 1. Locate the p/j connector number in the first column of the p/j loca...

  • Page 424

    10-3 42 2 motor driver board engine control board 47 2 connects: motor driver board, paper pick assembly ( no paper sensor, low paper sensor, solenoid feed, clutch turn) and paper size switch 48 2 motor driver board main drive assembly 49 2 motor driver board developer drive assembly 50 2 connects: ...

  • Page 425

    10-4 phaser 6250 color laser printer service manual 140 3 connects: engine control board, crum harness assembly, toner full sensor harness assembly, eeprom circuit board. 141 3 eeprom harness assembly chute assembly, in (toner full sensor) 142 2 chute assembly in (toner full sensor) eeprom harness a...

  • Page 426

    10-5 342 1 crum reader board motor driver board 471 4 paper size switch assembly motor driver board 472 4 no paper sensor motor driver board 473 4 low paper sensor motor driver board 474 4 feed solenoid motor driver board 475 4 clutch turn assembly motor driver board 511 1 holder assembly mq-y (tone...

  • Page 427: Map 1

    10-6 phaser 6250 color laser printer service manual map 1 * fpc = front panel connector 6250-306 fpc*.

  • Page 428: Map 2

    10-7 map 2 6250-307.

  • Page 429: Map 3

    10-8 phaser 6250 color laser printer service manual map 3 6250-308.

  • Page 430: Map 4

    10-9 map 4 6250-309.

  • Page 431

    10-10 phaser 6250 color laser printer service manual high-capacity feeder plug/jack locator table p/j no. Connect to... Other end connected to... 81 circuit board, lower feeder assembly, harness hcf-plug 82 circuit board, lower feeder tray 3 harness assembly 83 circuit board, lower feeder tray 4 har...

  • Page 432: Map 5

    10-11 map 5 6250-487.

  • Page 433

    10-12 phaser 6250 color laser printer service manual 500-sheet feeder plug/jack locator table p/j no. Connect to... Other end connected to... 81 circuit board, lower feeder assembly, harness stf-plug 82 circuit board, lower feeder tray 3 harness assembly 83 circuit board, lower feeder not connected ...

  • Page 434: Map 6

    10-13 map 6 6250-431.

  • Page 435: Print Engine Wiring Diagrams

    10-14 phaser 6250 color laser printer service manual print engine wiring diagrams notations used in wiring diagrams m plug clutch/solenoid motor optical sensor jack 6250-499.

  • Page 436: Main Wiring Diagram

    10-15 main wiring diagram sensor no toner(y) pl10.1.5 front panel pl1.1.1 image processor board pl12.1.4 harness assy ac sw pl12.1.11 s-hvps pl10.1.15 plate assy dispenser l pl10.1.13 no paper sensor pl3.3.4 switch assy size pl3.2.4 motor driver board pl12.1.12 p/j47 engine control board pl12.1.1 p/...

  • Page 437: Power Supplies

    10-16 phaser 6250 color laser printer service manual power supplies lvps pl12.1.10 p/j163 1 p/j163 2 motor driver board pl12.1.12 p/j60 1 p/j60 2 +24vdc rtn p/j41 17 18 engine control board pl12.1.1 p/j11 24 23 i/l +24vdc i/l +24vdc 35 i/l switch 6 i/l_open interlock +24vdc p/j41 19 20 p/j11 22 21 r...

  • Page 438: Paper Tray 2

    10-17 paper tray 2 p/j472 3 engine control board pl12.1.1 p/j12 15 14 13 motor driver board pl12.1.12 p/j42 16 17 18 p/j47 1 2 4 3 +3.3vdc switch assy size pl3.2.4 tray2 size0 switch on(l)+3.3vdc tray2 size1 switch on(l)+3.3vdc sg tray2 size2 switch on(l)+3.3vdc p/j471 4 3 1 2 no paper sensor pl3.3....

  • Page 439: Drive Section

    10-18 phaser 6250 color laser printer service manual drive section engine control board pl12.1.1 deve f/h p/j11 1 2 3 4 5 motor driver board pl12.1.12 p/j41 40 39 38 37 36 deve cw/ccw deve clock xdeve ena da_devemot p/j49 1 2 3 interlock +24vdc deve motor control developer drive assy pl11.1.13 deve_...

  • Page 440: Developer Section 1

    10-19 developer section 1 engine control board pl12.1.1 p/j12 27 motor driver board pl12.1.12 p/j42 4 p/j342 4 p/j51 14 tcru_y tcru_y sensed(l)+3.3vdc 26 5 3 15 tcru_m tcru_m sensed(l)+3.3vdc 25 6 2 16 tcru_c tcru_c sensed(l)+3.3vdc 28 3 13 5 1 sg 17 tcru_k tcru_k sensed(l)+3.3vdc sensor no toner (y...

  • Page 441: Developer Section 2

    10-20 phaser 6250 color laser printer service manual developer section 2 engine control board pl12.1.1 p/j11 25 26 27 28 motor driver board pl12.1.12 p/j41 16 15 14 13 p/j51 1 2 3 4 5 interlock +24vdc toner motor(y) control holder assy y pl10.1.1 i/l +24vdc tmot_y_a tmot_y_b tmot_y_xa tmot_y_xb p/j5...

  • Page 442: Fuser Assembly

    10-21 fuser assembly note:p/j numbers within the fuser block are all internal to the fuser assembly. P/j161 1 2 harness assy ac sw pl12.1.11 heater control p/j162 4 1 lvps pl12.1.10 fuser assy pl8.1.1 j232 4 j232 3 2 1 p321 4 3 2 1 ac n 100v ac l heater thermostat engine control board pl12.1.1 p/j13...

  • Page 443: Laser Unit

    10-22 phaser 6250 color laser printer service manual laser unit engine control board pl12.1.1 laser unit pl9.1.1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 p/j15 20 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 p/j151 1 sg scanner motor on(l)+5vdc rtn i/l +24vdc sos sensed(l) +3.3vdc scanner...

  • Page 444: Xerographics 1

    10-23 xerographics 1 engine control board pl12.1.1 p/j140 13 12 11 p141 1 j141 3 p/j142 1 2 3 2 2 3 1 sensor toner full pl5.1.13 +5vdc toner full sensed(h)+3.3vdc sg p/j13 12 13 14 15 16 p1361 5 j1361 1 4 2 3 3 2 4 1 5 p/j136 5 4 3 2 1 ctd sensor (adc) assy pl5.1.11 adc vout +5vdc sg adc monitor gle...

  • Page 445: Xerographics 2

    10-24 phaser 6250 color laser printer service manual xerographics 2 engine control board pl12.1.1 p/j13 22 23 24 25 26 27 28 29 30 31 32 sub-hvps pl10.1.15 p/j5011 11 10 9 8 7 6 5 4 3 2 1 i/l +24vdc agnd 3.0v_ref sg hv_ref_btr_p hv_ref_btr_m hv_ref_dts btr_p on(l)+24vdc btr_m on(l)+24vdc dts on(l)+2...

  • Page 446: Paper Feed

    10-25 paper feed engine control board pl12.1.1 p/j13 1 2 3 p139 11 j139 1 p/j133 3 2 1 10 2 9 3 dup jam sensor pl6.1.4 pull up +3.3vdc +3.3vdc sg dup jam sensed(l)+3.3vdc p/j13 4 5 6 p139 8 j139 4 p/j134 3 2 1 7 5 6 6 full stack sensor pl6.1.4 pull up +3.3vdc sg full stack sensed(h)+3.3vdc +3.3vdc p...

  • Page 447: Image Processor Board

    10-26 phaser 6250 color laser printer service manual image processor board engine control board pl12.1.1 p/j14 1 60 image processor board pl12.1.4 p/j22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 p/j221 p/j168 n/c 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 p220 1 2 3 4 5 6 7 8 9 10 j...

  • Page 448

    10-27 printer options wiring diagrams high capacity feeder main wiring diagram drive assy feeder pl14.5.5 no paper sensor (t3) pl14.4.4 paper size switch (t3) pl14.3.6 lower feeder board pl14.5.1 engine control board pl12.1.1 low paper sensor (t3) pl14.5.7 p/j823 solenoid feed (t3) pl14.4.17 clutch ...

  • Page 449: Drive Section (Hcf)

    10-28 phaser 6250 color laser printer service manual drive section (hcf) engine control board pl12.1.1 fdr a p/j21 20 21 22 23 13 lower feeder board pl14.5.1 p/j81 7 6 5 4 14 fdr b fdr xa fdr xb da_fdrmot p/j84 3 4 1 2 5 6 interlock +24vdc feeder motor control feeder drive assembl y pl14.5.5 i/l +24...

  • Page 450: Paper Tray 3

    10-29 paper tray 3 p/j822 3 engine control board pl12.1.1 p/j21 16 15 14 lower feeder board pl14.5.1 p/j81 11 12 13 p/j82 1 2 4 3 +3.3vdc paper size switch (t ray3) pl14.3.6 tra y2 size0 switch on(l)+3.3vdc tra y2 size1 switch on(l)+3.3vdc sg tra y2 size2 switch on(l)+3.3vdc p/j821 4 3 1 2 no p aper...

  • Page 451: Paper Tray 4

    10-30 phaser 6250 color laser printer service manual paper tray 4 p/j832 3 engine control board pl12.1.1 p/j21 19 18 17 lower feeder board pl14.5.1 p/j81 8 9 10 p/j83 1 2 4 3 +3.3vdc paper size switch (t ray4) pl14.3.6 tra y3 size0 switch on(l)+3.3vdc tra y3 size1 switch on(l)+3.3vdc sg tra y3 size2...

  • Page 452

    10-31 500-sheet feeder main wiring diagram drive assy feeder single pl15.5.5 no paper sensor (t3) pl15.4.4 paper size switch (tray 3) pl15.3.6 lower feeder board pl15.5.1 engine control board pl12.1.1 low paper sensor (t3) pl15.5.6 p/j823 solenoid feed (t3) pl15.4.17 clutch assy turn (t3) pl15.4.18 ...

  • Page 453: Drive Section (Stf)

    10-32 phaser 6250 color laser printer service manual drive section (stf) engine control board pl12.1.1 fdr a p/j21 20 21 22 23 13 lower feeder board pl15.5.1 p/j81 7 6 5 4 14 fdr b fdr xa fdr xb da_fdrmot p/j84 3 4 1 2 5 6 interlock +24vdc feeder motor control feeder drive assy (single) pl15.5.5 i/l...

  • Page 454: Paper Tray 3

    10-33 paper tray 3 p/j822 3 engine control board pl12.1.1 p/j21 16 15 14 lower feeder board pl15.5.1 p/j81 11 12 13 p/j82 1 2 4 3 +3.3vdc paper size switch(t ray3) pl15.3.6 tra y3 size0 switch on(l)+3.3vdc tra y3 size1 switch on(l)+3.3vdc sg tra y3 size2 switch on(l)+3.3vdc p/j821 4 3 1 2 no p aper ...

  • Page 455

    10-34 phaser 6250 color laser printer service manual.

  • Page 456: Contents...

    A appendix appendix contents... ■ printer status codes.

  • Page 457: Printer Status Codes

    A-2 phaser 6250 color laser printer service manual printer status codes printer status codes that appear in the service usage profile are defined in the following table. The code listings are generally in numerical order although some errors without assigned codes are interspersed in the list. Refer...

  • Page 458

    A-3 81 engine communication failure 83 engine nvram failure 86 cyan toner cartridge failure 87 magenta toner cartridge failure 88 yellow toner cartridge failure 89 black toner cartridge failure 90 replace cyan toner cartridge 91 replace magenta toner cartridge 92 replace yellow toner cartridge 93 re...

  • Page 459

    A-4 phaser 6250 color laser printer service manual 172 wrong paper type: load tray [2] with [size] [type] 173 wrong paper type: load tray [3] with [size] [type] 174 paper not available: load tray [4] with [size] [type] 178 output tray full 179 cyan toner cartridge empty 180 magenta toner cartridge e...

  • Page 460: Numerics

    Service manual index – 1 index numerics 600 x 600 service test print , 5-8 a ac power supply troubleshooting , 4-11 ac switch harness assembly , 8-98 actuator, i/l , 8-96 adjustments , 6-3 b background contamination , 5-20 bias housing assembly , 8-69 black prints with white margin border , 5-14 bla...

  • Page 461

    Phaser 6250 color laser printer index – 2 e earth ground circuit board , 8-97 eeprom board , 8-85 electrical , 2-41 , 9-32 electrical specifications , 1-13 electrostatic discharge (esd) precautions , 1-vii engine control circuit board , 8-107 engine firmware failure , 3-71 engine nvram error , 3-75 ...

  • Page 462

    Service manual index – 3 imaging unit firmware failure , 3-72 imaging unit is at end of life , 3-38 imaging unit removal , 8-4 incomplete fusing or cold offset , 5-23 indicator assembly , 8-137 indicator assembly, feeder , 8-118 inoperable printer troubleshooting , 4-9 insert tray or tray missing , ...

  • Page 463

    Phaser 6250 color laser printer index – 4 no paper, low paper sensor , 8-127 , 8-145 no/low paper sensor , 8-30 non-phaser 6250 fuser , 3-78 non-xerox imaging unit , 3-79 o operating system and application problems , 4-17 optional high capacity feeder disassembly , 8-111 optional high-capacity feede...

  • Page 464

    Service manual index – 5 removal - full stack sensor , 8-50 removing rmis and consumables , 8-4 removing routine maintenance items and consumables , 8-4 removing the duplex actuator , 8-51 repeating and/or random spots , 5-19 replace fuser or fuser is at end of life , 3-42 replace imaging unit , 3-3...

  • Page 465

    Phaser 6250 color laser printer index – 6 (rmis) , 9-24 transfer roller and fuser assembly , 2-33 transfer roller assembly control , 2-11 transfer roller is at end of life , 3-40 transfer roller removal , 8-4 tray 1 (mpt) , 8-14 tray 1 actuator , 8-53 tray 1 bottom plate , 8-61 tray 1 feed solenoid ...

  • Page 467

    071-0869-00