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  5. Maintenance Manual

Oki C710 Maintenance Manual

Summary of C710

  • Page 1

    Maintenance manual 072710c c710/mps710

  • Page 2

    Copyright information copyright © 2010 by oki data. All rights reserved disclaimer every effort has been made to ensure that the information in this document is complete, accurate, and up-to- date. The manufacturer assumes no responsibility for the results of errors beyond its control. The manufactu...

  • Page 3

    43856301th rev.3 2 / oki data confidential document revision history rev.No date corrected items person in charge no. Page description of change 1 2008-05-07 issue csfp11 n. Sunaga 2 2008-11-25 61, 73 addition of “warning”, etc. Ep5 t. Sugiyama 3 2009-01-09 drawing maintenance ep5 y. Fujisawa rev.No...

  • Page 4

    43856301th rev.3 3 / oki data confidential this manual provides an overview of method for maintaining the c710n. This manual is intended for maintenance staff. For more information about how to operate the c710n, please refer to user 's manual. Note! • manual may be revised and updated at any time w...

  • Page 5

    43856301th rev.3 4 / oki data confidential index 1. Configuration ........................................................................... 6 1.1 system configuration ............................................................................................ 7 1.2 the configuration of printer ......

  • Page 6

    43856301th rev.3 5 / oki data confidential 5. Maintenance menu ................................................................ 91 5.1 system maintenance menu (for maintenance engineer) ................................... 92 5.2 maintenance utilities ....................................................

  • Page 7: Configuration

    Oki data confidential 1. Configuration 1.1 system configuration .......................................................................7 1.2 the configuration of printer .............................................................8 1.3 optional parts ...................................................

  • Page 8

    43856301th rev.3 7 / oki data confidential 1.Configuration 1.1 system configuration environmental humidity feeder clutch hopping clutch paper-feeding /moving motor feeder clutch hopping clutch paper-feeding /moving motor 20mhz centronics eep rom cc1 asic cif2 asic hdd lan usb cu pcb flash rom option...

  • Page 9

    43856301th rev.3 8 / oki data confidential 1.Configuration 1.2 the configuration of printer air flow fig 1-2 the parts in the c710n are shown as below. • electrophotography process mechanism • paper feed path • control part (cu part/ pu part) • operator panel • power part (high-voltage part/low-volt...

  • Page 10

    43856301th rev.3 9 / oki data confidential 1. Configuration 1.3 optional parts the optional parts for this printer are shown as below. (1) optional tray(second tray/ third tray) (2) duplex unit (3) optional memory (4) built-in hard disk (standard built-in hard disk, data protection kit a1).

  • Page 11

    43856301th rev.3 10 / oki data confidential 1. Configuration 1.4 specifications division item dimension width 435mm depth 536mm height 389mm weight about 28kg width of print width of print letter size, vertical print speed engine speed (a4) 30ppm(color) 32ppm(mono) print start first print time 8sec(...

  • Page 12

    43856301th rev.3 11 / oki data confidential 1. Configuration division item operation life printer operation life 600,000 pieces a4 transvers direction, 5years print duty (m=l/12, a=l/12/5) max 100,000 pages / month average 6,000 pages/ month mtbf (2.3% duty) unvailable mpbf 50,000 pages mttr within ...

  • Page 13

    43856301th rev.3 12 / oki data confidential 1. Configuration division item control panel lcd resolution 128×64 dot graphic panel paper size is not displayed led (color) 2 (green×1, dark umbar×1) switch 8 status switch/ sensor paper out have paper low none toner low have (y, m, c, k) cover open have ...

  • Page 14

    43856301th rev.3 13 / oki data confidential 1. Configuration 1.5 specification of interface 1.5.1 specification of usb interface 1.5.1.1 general of usb interface (1) spec. Usb (support hi speed usb ) (2) transmission mode full speed (maximum 12mbps 0.25%) high speed(maximum 480mbps 0.05%) (3) power ...

  • Page 15

    43856301th rev.3 14 / oki data confidential 1. Configuration 1.5.2 specification of network interface 1.5.2.1 general of network interface spec. Network protocol tcp/ip sepc. Network layer arp, ip, icmp, ipv6 transfer layer tcp, udp application layer lpr, por t9100, ftp, http, https, ipp, snmpv1/v3,...

  • Page 16

    43856301th rev.3 15 / oki data confidential 1. Configuration 1.5.3 specification of parallel interface 1.5.3.1 general of parallel interface spec. Ieee1284-1994 conforming parallel interface 1.5.3.2 connector and cable of parallel interface (1) connector printer side : 36-pole connector (female) 57l...

  • Page 17: Operating Instructions

    Oki data confidential 2. Operating instructions 2.1 electrophotographic processing mechanism .................................17 2.2 printing process .............................................................................21.

  • Page 18

    43856301th rev.3 17 / oki data confidential 2. Operating instructions (1) electrophotographic processing the general of electrophotography process is described as below. 1. Charging the voltage is impressed to ch roller, and the surface of opc drum is electrified. 2. Exposure led head irradiates lig...

  • Page 19

    43856301th rev.3 18 / oki data confidential 2. Operating instructions (4) development the toner adheres to the electrostatic latent image on the surface of the drum, and the electrostatic latent image is changed into the toner image. 1. The sponge roller makes the toner adhere to the developing roll...

  • Page 20

    43856301th rev.3 19 / oki data confidential 2. Operating instructions -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ -+ - - - id unit waste toner area toner cartridge drum cleaning blade (6) fusing when the paper passes through the heat roller and backup roller unit, heat and pressure are applied to the toner ima...

  • Page 21

    43856301th rev.3 20 / oki data confidential 2. Operating instructions (9) belt cleaning the toner left on the transport belt is cleaned up by the belt cleaning blade, and all residual toner is collected in the waste toner box of the transport belt unit. Belt waste toner box transport belt belt clean...

  • Page 22

    43856301th rev.3 21 / oki data confidential 2. Operating instructions 2.2 printing process the paper fed from tray 1 or tray 2, tray.3 is transferred by feeder roller, resister roller l, and transfer roller. It is transferred by mpt paper feed roller and resister roller u when the paper is fed from ...

  • Page 23

    43856301th rev.3 22 / oki data confidential 2. Operating instructions (1) paper feed from 1st tray 1. As shown in fig.2-1, while the solenoid is set as on, the paper-feeding motor is rotated (counter clockwise) to transfer the paper until the in1 sensor is turned on. (when the solenoid is turned on,...

  • Page 24

    43856301th rev.3 23 / oki data confidential 2. Operating instructions (3) transport belt 1. When the transport belt motor is rotated in the direction of the arrow, the transport belt is driven. As for the belt unit, a transfer roller is set over under each color drum. The belt is caught and installe...

  • Page 25

    43856301th rev.3 24 / oki data confidential 2. Operating instructions (4) updown operation of id unit 1. The up and down operation of the id unit is done by driving the liftup motor. 2. Fig. 2-6 shows the operation of each id unit when color printing. When the liftup motor is rotated (counter clockw...

  • Page 26

    43856301th rev.3 25 / oki data confidential 2. Operating instructions (5) fuse unit and paper delivery 1. The fuse unit and the delivery roller are driven by the dc motor as shown in fig. 2-8. When the fuse motor is rotated (counter clockwise), the heat roller will begin to rotate. The heat roller m...

  • Page 27

    43856301th rev.3 26 / oki data confidential 2. Operating instructions general of color blur correction the color blur correction is operated by reading the pattern for correction printed on the belt with a sensor set in the sensor shutter under the belt unit. The pattern is detected by this sensor, ...

  • Page 28

    43856301th rev.3 27 / oki data confidential 2. Operating instructions error-confirming method and error-solving method use the color blur correction test function in self-diagnostic mode to confirm the error. (see 5.3.1.6) error solving method • calibration(l or r), dynamicrange(l or r) check 1: whe...

  • Page 29

    43856301th rev.3 28 / oki data confidential 2. Operating instructions general of the density correction the density correction is operated by reading the pattern for correction printed on the belt with a sensor set in the sensor shutter under the belt unit. Density correction auto-start timing • the...

  • Page 30

    43856301th rev.3 29 / oki data confidential 2. Operating instructions error-confirming method and error-solving method use the density correction test function in self-diagnostic mode to confirm the error. (see 5.3.1.7) error solving method • calibration err, dens sensor err check 1: when the above ...

  • Page 31

    43856301th rev.3 30 / oki data confidential 2. Operating instructions counter spec total printed page number mpt printed page number tray 1 printed page number tray 2 printed page number tray 3 printed page number color-printed page number mono-printed page number description total printed page numb...

  • Page 32

    43856301th rev.3 31 / oki data confidential 2. Operating instructions a4/letter conversion table the paper is counted up as this sheet. Paper size simplex duplex letter 1 2 executive 1 2 legal14 1 2 legal13.5 1 2 legal13 1 2 a4 1 2 a5 1 2 a6 1 - b5 1 2 com-9 1 - com-10 1 - monarch 1 - dl 1 - c5 1 - ...

  • Page 33: Set Up

    Oki data confidential 3. Set up 3.1 notes and precautions ...................................................................33 3.2 unpack method .............................................................................34 3.3 setting method ..........................................................

  • Page 34

    43856301th rev.3 33 / oki data confidential 3. Set up • do not set it in any high-temperature locations or near any heat sources. • do not set it in a place where the chemical reaction may occur (laboratory etc.). • do not set it near any liquid that may ignite such as alcohol and thinner. • do not ...

  • Page 35

    43856301th rev.3 34 / oki data confidential 3. Set up gripe (four gripes on all sides) 3.2 unpack method personal injuries may occur. Because the weight of the printer is approximately 33kg (in a state of packing), it needs more than two adults to lift it up. • take out the gripe on each side as sho...

  • Page 36

    43856301th rev.3 35 / oki data confidential 3. Set up 3.3 setting method • set the printer under these conditions. Surrounding environment: : 10~32 surrounding humidity: : 20~80%rh (relative humidity) highest wet bulb temperature: : 25 • protect the printer from dew formation. • use the humidifier o...

  • Page 37

    43856301th rev.3 36 / oki data confidential 3. Set up 3.4 list of equipments and accessories • make sure that the appearance of the equipment is not damaged or dirty etc. • make sure that the following accessories are supplied with your printer. • if you are missing any of these accessories, contact...

  • Page 38

    43856301th rev.3 37 / oki data confidential 3. Set up 3.5 assembling method 3.5.1 assemble the main body of the printer remove the protective materials. (1) peel off the desiccant and the protection tape (four places) on the printer. (2) peel off the paper on the front of printer. (3) peel off the p...

  • Page 39

    43856301th rev.3 38 / oki data confidential 3. Set up (6) pull the retainer out in the direction of the arrow (1). Return the paper cassette to the main body of the printer. (7) press down the open button, and open the top cover. (8) remove the stopper (orange) when pressing down the lever of the fu...

  • Page 40

    43856301th rev.3 39 / oki data confidential 3. Set up set the image drum cartridge. (1) take the image drum cartridge (four) out slowly. Note! • the image drum (green cylinder) is very fragile. Please pay special attention to handling it. • do not expose the image drum cartridge to direct sunshine a...

  • Page 41

    43856301th rev.3 40 / oki data confidential 3. Set up (5) return the image drum cartridge back to the printer. (6) close the top cover. Note! If the message of [please exchange the toner] on the control panel doesn't disappear indefinitely, please make sure that the lever of the toner cartridge is f...

  • Page 42

    43856301th rev.3 41 / oki data confidential 3. Set up (3) flex the paper back and forth. Do not fold or crease the paper. Straighten the edges on a level surface. (4) place the paper in the cassette with the side to be printed facing down. Notes! • place the paper with the top of the page nearest th...

  • Page 43

    43856301th rev.3 42 / oki data confidential 3. Set up set the paper in multi-paper tray. (1) open the multi-paper tray, and open the paper supporter. (2) match the manual insertion guide to the size of the paper. (3) flex the paper back and forth. Straighten the edges on a level surface. (4) place t...

  • Page 44

    43856301th rev.3 43 / oki data confidential 3. Set up 3.5.2 cable connect power condition • keep the following items. Ac voltage : 110~127v ± 10%/ 220~240v ± 10% frequency of the power supply : 50hz or 60hz ± 2hz • use the voltage adjusting transformer etc. When the power supply is unstable. • the m...

  • Page 45

    43856301th rev.3 44 / oki data confidential 3. Set up [shutdown / restart] button o i turn the power off. Note! If you turn off the power without properly shutting down, it may cause damage to the printer. Please follow the following procedure to turn the power off. (1) press down the [return] switc...

  • Page 46

    43856301th rev.3 45 / oki data confidential 3. Set up tab tab hole in the bottom hole in the bottom of the printer tab hole in the bottom of the printer 3.5.3 optional part installation and confirmation (1) installation of the optional tray unit (second/ third tray) it is a traditional paper tray fo...

  • Page 47

    43856301th rev.3 46 / oki data confidential 3. Set up print the setting content with following the procedure in chapter 3.6. Confirm the content of [tray 2] is display in header part. (1)-4. Print the setting content and confirm if the option tray unit is installed properly. (1)-5. Set the number of...

  • Page 48

    43856301th rev.3 47 / oki data confidential 3. Set up for windows pcl xps printer driver for windows vista, click on [start] => [control panel] => [printer]. For windows xp, click on [start] => [control panel] => [printer and other hardware] => [printers and faxes]. For windowsserver 2003, click on ...

  • Page 49

    43856301th rev.3 48 / oki data confidential 3. Set up (2) installation of duplex unit this unit is used for printing on two sides of paper. Note! For two-sides printing, it is recommended to add expansion memory. For details, see "expansion memories." (2)-1. Turning off the printer power and disconn...

  • Page 50

    43856301th rev.3 49 / oki data confidential 3. Set up notes! • the operation cannot be guaranteed when using an unspecified product. Please use oki product. • it is recommended to add 256mb optional memory when long size printing. • the slot for memory is one slot. (3) add the optional memory. It is...

  • Page 51

    43856301th rev.3 50 / oki data confidential 3. Set up (3)-3. Remove the side cover. (3)-4. Install the memory. Screw side cover loose the screw (one place). Remove the side cover. Pull it outward to remove while holding the upper edge of the side cover to lift. Notes! • do not touch any electrical p...

  • Page 52

    43856301th rev.3 51 / oki data confidential 3. Set up (3)-5. Install the side cover. (3)-6. Connect the power cord and printer cable to the printer, and turn the power on. Note! If the message [service call031:fatal error] is displayed, please reinstall the memory. Screw top cover front cover side c...

  • Page 53

    43856301th rev.3 52 / oki data confidential 3. Set up (4)-1.Turn the power of printer off, and pull out the power cord. Please turn off the power with following the procedure in chapter 3.5.2 [turn the power off]. Notes! • if you turn off the power without properly shutting down, it may cause damage...

  • Page 54

    43856301th rev.3 53 / oki data confidential 3. Set up insert the tab of the built-in hard disk into the slot on the printer. Fix the disk with screws (2 places). (4)-4. Install the built-in hard disk. Push the connector into the slot until a slight click is heard. (4)-6. Connect the power cord and p...

  • Page 55

    43856301th rev.3 54 / oki data confidential 3. Set up (4)-8. Set [hard disk] by printer driver note! The authority of the computer administrator is required. For windows ps printer driver (for windows xp) for windows vista, click on [start] => [control panel] => [printer]. For windows xp, click on [...

  • Page 56

    43856301th rev.3 55 / oki data confidential 3. Set up for macintosh when the optional device has been added into in macintosh before installing the printer driver, the device information is gotten automatically. Please finish the following procedure to set up the optional device, if you want to add ...

  • Page 57

    43856301th rev.3 56 / oki data confidential 3. Set up 3.6 setting content print (configuration) to confirm the printer operates normally, please print the [configuration]. (1) set a4 paper in tray. (2) press the button for several times so that [printer information] is displayed, and press down the ...

  • Page 58

    43856301th rev.3 57 / oki data confidential 3. Set up 3.7 connecting method note! Please refer to user’s manual for operation environment. Prepare for usb cable notes! • the printer cable is not included. Provide the usb2.0 cable for special user. • when connecting the cable in [hi-speed] mode of us...

  • Page 59

    43856301th rev.3 58 / oki data confidential 3. Set up note! Refer to user’s manual for operation environment. Prepare for ethernet cable note! The ethernet cable and hub is not included in printer. Provide the ethernet cable and hub for special user. Network interface connector turn the printer and ...

  • Page 60

    43856301th rev.3 59 / oki data confidential 3. Set up 3.8 user used paper confirmation load the paper used by user, set the media type/weight, print the setting content/demo, and confirm if the toner is chipped off. Type thickness settings of control panel [thickness of paper] settings of printer dr...

  • Page 61: Component Replacement

    Oki data confidential in this chapter, the procedures for replacement of part and assembly and unit are described. The replacement procedure is described by removal of the parts. Please install the new parts with following the replacement procedure in reverse order. The parts (such as , )shown in th...

  • Page 62: Warning

    43856301th rev.3 61 / oki data confidential 4. Component replacement 4.1 precautions on component replacement (1) remove the ac cord and the interface cable before replacing the parts. (a) remove the ac cord according to the following procedure. Switch the power switch of printer off “o”. Disconnect...

  • Page 63

    43856301th rev.3 62 / oki data confidential 4. Component replacement [maintenance tool] the required tools for replacing the pcb and the unit are shown in table 4-1-1. Table 4-1-1 maintenance tools no. Maintenance tools amount purpose note 1 no. 2-200 magnetic driver 1 3 - 5mm screw 2 no. 3-100 driv...

  • Page 64

    43856301th rev.3 63 / oki data confidential 4. Component replacement 4.2 method of component replacement in this chapter, the replacement of parts and assemblies is described by the disassemble figures. 4.2.1 belt unit (1) open the top cover. (2) remove the id unit . (3) rotate the lock lever (blue,...

  • Page 65

    43856301th rev.3 64 / oki data confidential 4. Component replacement 4.2.2 fuser unit (1) open the top cover. (2) push up the fix lever of fuser unit in the direction of arrow, and remove the fuser unit . Top cover fix lever of fuser unit (blue) fix lever of fuser unit (blue) 4.2.3 left side cover (...

  • Page 66

    43856301th rev.3 65 / oki data confidential 4. Component replacement 4.2.4 right side cover (1) open the top cover. (2) open the feeder unit. (3) loose the screw and remove the right side cover . 4.2.5 faceup tray (1) draw out the duplex unit . (2) open the faceup tray in the direction of arrow, and...

  • Page 67

    43856301th rev.3 66 / oki data confidential 4. Component replacement 4.2.6 rear cover (1) open the faceup tray. (2) remove the two screws (silver). (3) as shown in fig 2, insert the minus driver into the hole a to disengage the claw a (2 place). (4) disengage the claw b (2 places) and pull the upper...

  • Page 68

    43856301th rev.3 67 / oki data confidential 4. Component replacement 4.2.8 control pcb (1) open the top cover. (2) remove the right side cover. (see section 4.2.4) (3) remove the rear cover. (see section 4.2.6) (4) remove the eight screws (silver), remove the connector and disengage the claw a to ta...

  • Page 69

    43856301th rev.3 68 / oki data confidential 4. Component replacement 4.2.9 print engine controller pcb (1) remove the plate shield assy (pcl). (see section 4.2.8(1)-(3)) (2) remove all connectors and two screws (silver) to take the print engine controller pcb out. Dchea t relay power option hvolt be...

  • Page 70

    43856301th rev.3 69 / oki data confidential 4. Component replacement toner sensor pcb front sensor cable 1st paper end cable hoppng motor cable solenoid cable belt idup motor cable option cable high voltage relay fuser motor cable low voltage pow unit hook on connector (230v) ac 100v or 120v plug on...

  • Page 71

    43856301th rev.3 70 / oki data confidential 4. Component replacement 4.2.11 top cover (1) remove the top cover assy. (see section 4.2.10) (2) remove ten screws (black), and remove the top cover . 4.2.12 control panel assy (1) open the top cover. (2) insert the minus driver into the upper side of the...

  • Page 72

    43856301th rev.3 71 / oki data confidential 4. Component replacement 4.2.13 board prg/ lcd (1) remove the control panel assy. (see section 4.2.12) (2) remove the screws (2 places), remove the connector and cable of lcd and remove the board prg . (3) remove the screws (2 places), and remove the lcd ..

  • Page 73

    43856301th rev.3 72 / oki data confidential 4. Component replacement (8) remove the lever lock , compression spring , torsion spring , button switch , cable assy from the frame panel . ⑧ ⑦ ⑤ ③ ⑥ ④ frame panel assy 4.2.14 frame panel assy (1) open the top cover. (2) open the feeder unit. (3) remove t...

  • Page 74: Warning

    43856301th rev.3 73 / oki data confidential 4. Component replacement 4.2.15 low voltage power supply/low voltage fan/ hopping motor/ fuse motor air claw d claw e cn3 prn pcb power connector ac switch fuser i/f connector low-voltage power supply cn1 cn2 cn6 for cn6 short plug note! Cn6: a connector u...

  • Page 75

    43856301th rev.3 74 / oki data confidential 4. Component replacement 4.2.16 guide eject assy/ color resist assy/ board-pry (1) remove the left side cover, right side cover, rear cover, top cover assy. (see section 4.2.3, 4.2.4, 4.2.6, 4.2.10 ) (2) remove the print engine controller pcb, control pcb ...

  • Page 76

    43856301th rev.3 75 / oki data confidential 4. Component replacement 4.2.17 fan(fuser) / belt motor/ high-voltage board/ cover open switch (1) remove the left side cover. (see section 4.2.3) (2) remove the screw (silver) and connector, and remove the belt motor . (3) remove the connector, and rotate...

  • Page 77

    43856301th rev.3 76 / oki data confidential 4. Component replacement 4.2.19 feeder unit/ board-rsf/mpt hopping roller/ frame assy separator/ cover front (1) open the top cover. (2) remove the plate shield and remove the connector. (see section 4.2.8) (3) disengage the claws of stay l and stay r , sl...

  • Page 78

    43856301th rev.3 77 / oki data confidential 4. Component replacement 4.2.20 board-prz liftup motor/ hopping motor/ solenoid/ paper end sensor (1) remove the left side cover, right side cover, rear cover, top cover unit, feeder unit. (see section 4.2.3, 4.2.4, 4.2.6, 4.2.10, 4.2.19) (2) remove the pr...

  • Page 79

    43856301th rev.3 78 / oki data confidential 4. Component replacement side plate assy 4.2.21 feed roller (1) remove the cassette. (2) remove the latch and remove the feed roller (2 pieces) . Latch.

  • Page 80

    43856301th rev.3 79 / oki data confidential 4. Component replacement 4.2.22 shaft eject assy (fu)/ shaft eject assy(fd/ eject sensor (1) remove the eject assy. (see section 4.2.16) (2) disengage the claws (2 places), and disassemble the assy into guide eject lower and guide eject upper . (3) remove ...

  • Page 81

    43856301th rev.3 80 / oki data confidential 4. Component replacement 4.3 oiling spots class spreading amount (cc) w(mm) sample s a b c d e f 0.0005 0.003 0.005 0.01 0.03 0.05 0.1 1.24 2.25 2.67 3.37 4.86 5.76 7.26 w this chapter shows the oiling spots. Do not oil the other spots that are not shown h...

  • Page 82

    43856301th rev.3 81 / oki data confidential 4. Component replacement em-30l class c latch claw patching parts em-30l class c shaft slit side surface em-30l class c gear tooth surfaces and end surfaces em-30l class c gear bottom surfaces em-30l class a sliding surfaces em-30l class a posts em-30l cla...

  • Page 83

    43856301th rev.3 82 / oki data confidential 4. Component replacement holder-gear-a em-30l class c spread molykote (em-30l) evenly all around on the patching parts. Hp-300 class b spread a small amount of hp-300 all around on the patching parts. Spring-planet-heat holder-gear-planet gear-idle-planet-...

  • Page 84

    43856301th rev.3 83 / oki data confidential 4. Component replacement -2 plate-assy.-side r em-30l class f spread a heavy amount of molykote (em-30l) on gear tooth surfaces for more than 120 degree. Em-30l class c spread molykote (em-30l) evenly on end surface. Em-30l class c spread molykote (em-30l)...

  • Page 85

    43856301th rev.3 84 / oki data confidential 4. Component replacement -4 plate-assy.-side r em-30l class a spread a small amount of molykote (em-30l) on the patching parts. Em-30l class c spread molykote (em-30l) evenly on the gear tooth surfaces of the patching part. Gear-liftupr-z32 gear-liftuplink...

  • Page 86

    43856301th rev.3 85 / oki data confidential 4. Component replacement plate-assy.-side l (5) em-30l class a spread a small amount of molykote (em-30l) on the patching parts. Link-liftup-l em-30l class a spread a small amount of molykote (em-30l) on the patching parts. Gear-liftup-z32 post-gearidle-l ...

  • Page 87

    43856301th rev.3 86 / oki data confidential 4. Component replacement fuser assy guide-assy. -eject-u gear-idle-(z21) plate-side-r-caulking (fuser) gear-fuser-(z35) em-30l class c spread hp-300 evenly on the patching parts. Lever-release do not spread the grease on these gears. Do not spread the grea...

  • Page 88

    43856301th rev.3 87 / oki data confidential 4. Component replacement -1 printer unit-px741 em-30l class c spread molykote (em-30l) evenly on the front end of terminals. Grease spreading area plate-contact-tr plate-driver-pu(caulking) em-30l class c spread molykote (em-30l) evenly on the post. Gear-i...

  • Page 89

    43856301th rev.3 88 / oki data confidential 4. Component replacement em-30l class c spread molykote (em-30l) evenly on the patching parts. Panmotoroil class c use a brush to spread the pan motor oil evenly over the area where the compression coil in torsion spring is made. Cover-assy.-top plate-ss.S...

  • Page 90

    43856301th rev.3 89 / oki data confidential 4. Component replacement cover-sensor-c.Regist em-30l class a spread a small amount of molykote (em-30l) on the patching parts. (total 8 places on both sides) plate-sensor-c.Regist gear assy.-shutter do not touch the surface of cover-sensor-c.Regist with m...

  • Page 91

    43856301th rev.3 90 / oki data confidential 4. Component replacement do not touch this area with grease. Grease spreading method roller-assy. -bias(fu)c cassette-assy-px741 shaft-liftup shaft-liftup plate-receive plate-receive em-30l class b apply a small amount of molykote(em-30l) to sliding portio...

  • Page 92: Maintenance Menu

    Oki data confidential 5. Maintenance menu adjustment of this printer can be performed from the maintenance utilities by entering the corresponding menu from the keyboard of the operator panel. This printer contains the maintenance menu in addition to the normal operation menus. Select an appropriate...

  • Page 93

    43856301th rev.3 92 / oki data confidential 5. Maintenance menu 5.1 system maintenance menu (for maintenance engineer) while pressing the menu+ and menu- keys, turn on the power to enter the maintenance menu. The menu indications are shown in english only regardless of the destination of the printer...

  • Page 94

    43856301th rev.3 93 / oki data confidential 5. Maintenance menu 5.2 maintenance utilities the maintenance utilities enables user to perform the adjustment shown in table 5-2. Details of the maintenance utilities are available in the following documents. (1) maintenance utilities operation manual: 42...

  • Page 95

    43856301th rev.3 94 / oki data confidential 5. Maintenance menu item adjustment contents maintenance utilities operation manual item number operation on the operator panel (item number corresponds to that of the maintenance manual.) 12 destination pnp information setting sets/verifies the printer (c...

  • Page 96

    43856301th rev.3 95 / oki data confidential 5. Maintenance menu 5.3 maintenance menu functions 5.3.1 self-diagnostic mode this section describes the self-diagnostic level 0 and level 1 respectively. 5.3.1.1 operation panel the following description on operating the self-diagnostic is premised on the...

  • Page 97

    43856301th rev.3 96 / oki data confidential 5. Maintenance menu test print print execute test pattern test cassette *1 page color duplex*1 [menu+] level1 (1) how to select the menu items menu items can be selected by pressing either [menu+] or [menu-] key, and executed by pressing [enter]. Xxxxx xxx...

  • Page 98

    43856301th rev.3 97 / oki data confidential 5. Maintenance menu 5.3.1.2 ordinary self-diagnostic mode (level 1) menu items of the ordinary self-diagnostic mode are shown below. Item self-diagnostic menu adjustment contents maintenance utilities 1 switch scan test switch scan entry sensor check and s...

  • Page 99

    43856301th rev.3 98 / oki data confidential 5. Maintenance menu 5.3.1.3 switch scan test this self-diagnostic menu is used to check the entry sensor and the switch. 1. Enter the self-diagnostic mode (level 1) and press the menu+, menu- key until "switch scan" is displayed in the upper row of the dis...

  • Page 100

    43856301th rev.3 99 / oki data confidential 5. Maintenance menu table 5-3 switch scan details asterisk mark (*) is displayed in the lower row of display area. * 1: “l” is displayed when the cover is opened. Display area, upper row 1 2 3 4 details display area, lower row details display area, lower r...

  • Page 101

    43856301th rev.3 100 / oki data confidential 5. Maintenance menu 5.3.1.4 motor clutch test this self-diagnostic menu is used to test the motor and clutch. 1. Enter the self-diagnostic mode (level 1) and press the menu+, menu- key until "switch scan" is displayed in the upper row of the display area....

  • Page 102

    43856301th rev.3 101 / oki data confidential 5. Maintenance menu table 5-4 unit name display drive restriction condition remarks id motor to be driven when all of the id (k/y/m/c) are removed. − belt motor to be driven when all of the id (k/y/m/c) are removed. − fuser_rls − − regist motor − − t1 hop...

  • Page 103

    43856301th rev.3 102 / oki data confidential 5. Maintenance menu 5.3.1.5 test print this self-diagnostic menu is used to print the test pattern that is built inside pu. Other test patterns are stored in the controller. This test print cannot be used to check the print quality. Diagnosis for the abno...

  • Page 104

    43856301th rev.3 103 / oki data confidential 5. Maintenance menu 4. While the message "print execute" that is set by the operation specified in step 2 is being displayed, press the enter key and the test print is executed with the setting value that has been set by steps 2 and 3. Pressing the cancel...

  • Page 105

    43856301th rev.3 104 / oki data confidential 5. Maintenance menu • during printing, the following messages are displayed. P=*** w=*** p : number of test print copies (unit: copies) w : print waiting time (unit: second) • displays are switched by pressing the menu+ key. T=*** u=***[###] h=***%l=***[#...

  • Page 106

    43856301th rev.3 105 / oki data confidential 5. Maintenance menu • displays are switched by pressing the menu+ key. Tr1:k**y**m**c** tr2:k**y**m**c** trl : transfer voltage parameter vtr1 table id number [unit: hex) tr2 : transfer voltage parameter vtr2 table id number [unit: hex) • displays are swi...

  • Page 107

    43856301th rev.3 106 / oki data confidential 5. Maintenance menu 5.3.1.6 color registration correction test this self-diagnostic menu item is used for the color registration error adjustment and to investigate cause of the error of a printer. If the color registration error is recognized by the colo...

  • Page 108

    43856301th rev.3 107 / oki data confidential 5. Maintenance menu 4. Repeat steps 2 and 3 as required. 5. Pressing the [back] terminates the test. (returns to the status of step 1.) color registration correction test items display details reg adj execute executing the color registration correction re...

  • Page 109

    43856301th rev.3 108 / oki data confidential 5. Maintenance menu when the [cancel] key is pressed while test is in progress (while the [on line] lamp is lighting), the screen returns to the state of step 2. > the same as the key operations of step 2. During execution of dens adj execute. > setup of ...

  • Page 110

    43856301th rev.3 109 / oki data confidential 5. Maintenance menu 5.3.1.8 consumable item counter display this self-diagnostic menu is used to display the consumption status of the consumable items. 1. Enter the ordinary self-diagnostic mode and press the menu+, menu- key until "consumable status" is...

  • Page 111

    43856301th rev.3 110 / oki data confidential 5. Maintenance menu 5.3.1.9 number of print copies counter display this self-diagnostic menu is used to display status of the number of copies of a printer. 1. Enter the ordinary self-diagnostic mode and press the menu+, menu- key until "printer status" i...

  • Page 112

    43856301th rev.3 111 / oki data confidential 5. Maintenance menu 5.3.1.11 self-diagnostic function setting this self-diagnostic menu is used to set valid/invalid of the error detection by the various sensors. The error detection can be made invalid or valid for locating source of abnormality. Howeve...

  • Page 113

    43856301th rev.3 112 / oki data confidential 5. Maintenance menu 5.3.1.12 led head serial number display this self-diagnostic menu item is used to check whether the downloaded led head data matches the serial number of the actual led head. 1. Enter the self-diagnostic mode (level 1) and press the me...

  • Page 114

    43856301th rev.3 113 / oki data confidential 5. Maintenance menu 5.3.3 functions of keys at power on functions of the respective keys when the printer power is turned on are displayed below. Each of the following keys becomes valid if the key is kept pressed until "ram check" is displayed in the upp...

  • Page 115

    43856301th rev.3 114 / oki data confidential 5. Maintenance menu 5.4 setups upon completion of part replacement 2. When access to the eeprom of the board to remove is impossible: if the service call 104 (engine eeprom error) is displayed on the operator panel with the board that user is going to rem...

  • Page 116

    43856301th rev.3 115 / oki data confidential 5. Maintenance menu (2) switching to the shipping mode when the engine control board is replace with the new engine control board, the new board has been set in the factory working mode. Therefore, it should be switched to the shipping mode. • switch the ...

  • Page 117

    43856301th rev.3 116 / oki data confidential 5. Maintenance menu 5.5 density control manual setting when a printer is shipped from the factory, the automatic density correction mode has been set in "automatic". If a printer is used after the density correction mode is set to "manual", density may ch...

  • Page 118

    43856301th rev.3 117 / oki data confidential 5. Maintenance menu 5.6 printer boot menu list while pressing the set button, turn on the power to display the boot menu. Memo to display the boot menu, entry of password is required. Default value of password is "aaaaaa". Category item setting value func...

  • Page 119: Periodic Maintenance

    Oki data confidential 6. Periodic maintenance 6.1 cleaning ......................................................................................119 6.2 how to clean the led lens array .................................................120 6.3 how to clean the pickup roller ..............................

  • Page 120

    43856301th rev.3 119 / oki data confidential 6. Periodic maintenance clean inside and outside of the printer with clean dry cleaning cloth and small vacuum cleaner (hand cleaner) as required. Note! Be careful not to touch the image drum terminals, the led lens array and the led head connectors. 6.1 ...

  • Page 121

    43856301th rev.3 120 / oki data confidential 6. Periodic maintenance 6.2 how to clean the led lens array if the white banding, white stripe (white drop-out, light printing) in the vertical direction occurs on the print surface, clean the led lens array. Perform cleaning of the led head. If any light...

  • Page 122

    Oki data confidential 43856301th rev.3 121 / 6. Periodic maintenance (3) wipe the lens surface (at the four positions) of the led head with soft tissue paper gently and lightly. Note! Do not use the solvents such as methyl alcohol or thinner for cleaning the led head lens because they can damage the...

  • Page 123

    43856301th rev.3 122 / oki data confidential 6. Periodic maintenance 6.3 how to clean the pickup roller if the vertical banding in the vertical direction occurs on the print surface, clean the pickup roller. Note! Be sure to use a soft cloth or the like for cleaning the pickup roller. Otherwise, the...

  • Page 124

    43856301th rev.3 123 / oki data confidential 6. Periodic maintenance 6.4 how to clean inside of printer clean inside of the printer. Toner can adhere to the metal shaft located in between the fuser and the cyan image drum cartridge depending on the print patter. Perform cleaning of inside of the pri...

  • Page 125

    Oki data confidential 43856301th rev.3 124 / 6. Periodic maintenance (4) remove the fuser unit. Personal injuries may occur. The fuser unit gets very hot. Be very careful not to touch the fuser unit with your hands. If it got hot, stop the work and wait until it cools down. After it has cooled down,...

  • Page 126

    Oki data confidential 7. Troubleshooting and repair procedure 7.1 before starting the repair work ....................................................126 7.2 confirmation items before taking corrective action against abnormalities ..................................................................126...

  • Page 127

    43856301th rev.3 126 / oki data confidential 7. Troubleshooting and repair procedure 7.1 before starting the repair work (1) confirm the basic check/inspection points described in user’s manual. (2) get the information/status from client at the time when the trouble has occurred as much in details a...

  • Page 128

    43856301th rev.3 127 / oki data confidential 7. Troubleshooting and repair procedure 7.5 troubleshooting method when a trouble occurs in this printer, perform troubleshooting by following the steps described below. 7.5.1 lcd message list initializing panel display (the mark indicates no message in t...

  • Page 129

    43856301th rev.3 128 / oki data confidential 7. Troubleshooting and repair procedure panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details program update mode off off indicates that the printer has entered in the dedicated mode for upgrading the nic pro...

  • Page 130

    43856301th rev.3 129 / oki data confidential 7. Troubleshooting and repair procedure normal panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure ready to start printing. On off indicates that a printer is in the on line status. − off l...

  • Page 131

    43856301th rev.3 130 / oki data confidential 7. Troubleshooting and repair procedure panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure deleting data (buffer full) blink varies indicates that canceling a job is in progress because th...

  • Page 132

    43856301th rev.3 131 / oki data confidential 7. Troubleshooting and repair procedure warning panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure %color% amount of toner becomes scarce. Varies on (blink) (off) indicates that amount of ...

  • Page 133

    43856301th rev.3 132 / oki data confidential 7. Troubleshooting and repair procedure panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure %color% image drum is reaching near life end. Varies on (off) indicates that the image drum is re...

  • Page 134

    43856301th rev.3 133 / oki data confidential 7. Troubleshooting and repair procedure panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure %color% replace the image drum. Varies on indicates that the image drum has reached end of life. ...

  • Page 135

    43856301th rev.3 134 / oki data confidential 7. Troubleshooting and repair procedure panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure density calibration error varies on sensor adjustment error because the pu firmware does not noti...

  • Page 136

    43856301th rev.3 135 / oki data confidential 7. Troubleshooting and repair procedure panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure ***flash error varies varies pu flash error (error has occurred during re-writing of the pu firmw...

  • Page 137

    43856301th rev.3 136 / oki data confidential 7. Troubleshooting and repair procedure panel display (the mark indicates no message in the upper row.) on line lamp inspection lamp details remedial measure feed paper. Multipurpose tray %media_size% press the on line button. On off indicates that the pr...

  • Page 138

    43856301th rev.3 137 / oki data confidential 7. Troubleshooting and repair procedure display on operator panel on line lamp inspection lamp contents code nnn change paper of the multipurpose tray. Insert the %media_size% %media_type% and press the on line switch. For details, see on-line help. Off b...

  • Page 139

    43856301th rev.3 138 / oki data confidential 7. Troubleshooting and repair procedure display on operator panel on line lamp inspection lamp contents code nnn wait for a while. Network initialization is in progress. Varies varies indicates the network initialization is in progress. Error (online) ins...

  • Page 140

    43856301th rev.3 139 / oki data confidential 7. Troubleshooting and repair procedure display on operator panel on line lamp inspection lamp contents code nnn replace the toner. %errcode%: the %color% toner is for printer of another manufacturer. Off blink indicates the toner cartridge is not for use...

  • Page 141

    43856301th rev.3 140 / oki data confidential 7. Troubleshooting and repair procedure display on operator panel on line lamp inspection lamp contents code nnn open the rear cover. %errcode%: paper jam off blink indicates that jam has occurred in the vicinity of duplex unit. Error 370: duplex reversal...

  • Page 142

    43856301th rev.3 141 / oki data confidential 7. Troubleshooting and repair procedure display on operator panel on line lamp inspection lamp contents code nnn close the cover. %errcode%: rear cover is open. Off blink indicates that the cover is open. Error 316: duplex unit cover. Error 316 wait for a...

  • Page 143

    43856301th rev.3 142 / oki data confidential 7. Troubleshooting and repair procedure display on operator panel on line lamp inspection lamp contents code nnn service call %errcode%:fatal error * off blink indicates that a fatal error has occurred. For detailed contents, refer to "service calls list"...

  • Page 144

    43856301th rev.3 143 / oki data confidential 7. Troubleshooting and repair procedure display cause error details remedial measure restart the printer. 072: error. Xx engine i/f error. I/f error between pu and cu is the cu assembly installed normally? Does the printer recover from the error when the ...

  • Page 145

    43856301th rev.3 144 / oki data confidential 7. Troubleshooting and repair procedure display cause error details remedial measure service call 123: error environment humidity is abnormal./ humidity sensor is not connected. Does this error recur? Yes turn off the power of the printer and back on. Rep...

  • Page 146

    43856301th rev.3 145 / oki data confidential 7. Troubleshooting and repair procedure display cause error details remedial measure service call 160: error~ 163: error toner sensor detection error. (160=y, 161=m, 162=c, 163=k) this error does not occur with the default settings. Is the toner cartridge...

  • Page 147

    43856301th rev.3 146 / oki data confidential 7. Troubleshooting and repair procedure display cause error details remedial measure re-start the printer. 203: error 204: error 207: error 208: error 214: error foc: error fff: error cu program error (the error numbers 203 through 214 do not occur under ...

  • Page 148

    43856301th rev.3 147 / oki data confidential 7. Troubleshooting and repair procedure display cause error details remedial measure xxxxxxxxxxxxxxxx crc check ng ( ) crc check error of the pu downloaded data the crc check error is detected upon completion of the pu data downloading (pu firmware, custo...

  • Page 149

    43856301th rev.3 148 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2 preparation for troubleshooting note! When replacing the pu board, read the eeprom chip contents of the old board first, and copy them to the new board upon completion of the replacement. (refer to section 5.4...

  • Page 150

    43856301th rev.3 149 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (1) lcd display error memo for the numbers from 1 through 26 after name of the respective connectors, refer to section 7.5.2 (19) "wiring diagram". (1-1) lcd does not display anything. Check item check work a...

  • Page 151

    43856301th rev.3 150 / oki data confidential 7. Troubleshooting and repair procedure check item check work action to be taken at ng (1-1-5) lsi operation check i/f signal supplied from the pu board to the operator panel board. Check if the signal is output to the ope connector of the pu board or not...

  • Page 152

    43856301th rev.3 151 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (2) abnormal operations of printer after the power is turned on (2-1) any operation does not start at all. Check item check work action to be taken at ng (2-1-1) check the peripherals of the power supplies pr...

  • Page 153

    43856301th rev.3 152 / oki data confidential 7. Troubleshooting and repair procedure check item check work action to be taken at ng (2-2-3) check the jumping phenomena of gear tooth. (abnormal load of the consumable item) operating conditions of the respective motors check if operations of the respe...

  • Page 154

    43856301th rev.3 153 / oki data confidential 7. Troubleshooting and repair procedure (3) paper jams when paper jams occur or paper remains in the printer, "paper jam", or "paper remain" is displayed on the operation panel. By pressing the help button, a method to remove the paper is displayed, remov...

  • Page 155

    43856301th rev.3 154 / oki data confidential 7. Troubleshooting and repair procedure pull the tray. Paper jam [tray name] pull the tray. Paper remains. [tray name] when the above messages are displayed. Tray1 is applied here as an example. (1) pull the displayed tray. (2) remove paper. (3) return th...

  • Page 156

    43856301th rev.3 155 / oki data confidential 7. Troubleshooting and repair procedure open the cover. Paper jam front cover open the cover. Paper remains. Front cover when the above messages are displayed. (1) open the multipurpose tray. (2) push up the center handle (blue), to open the front cover. ...

  • Page 157

    43856301th rev.3 156 / oki data confidential 7. Troubleshooting and repair procedure open the cover. Paper jam top cover open the cover. Paper remains. Top cover when the above messages are displayed. (1) open the top cover. (2) touch the screw with a hand to discharge static. (3) 2uninstall the fou...

  • Page 158

    43856301th rev.3 157 / oki data confidential 7. Troubleshooting and repair procedure jam release lever (b) if you do not see the top edge of paper pull up the jammed paper slowly while pushing the jam release lever of the fuser unit. (c) if paper is jammed in the fuser unit pull the lock levers (2 l...

  • Page 159

    43856301th rev.3 158 / oki data confidential 7. Troubleshooting and repair procedure check the duplex unit. Paper jam check the duplex unit. Paper remains. When the above messages are displayed. (1) hold and press down the jam release lever of the duplex print unit to open the duplex print unit cove...

  • Page 160

    43856301th rev.3 159 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (3) paper feed jam (error code 391: 1st tray) (3-1) jam occurs immediately after the power is turned on. (1st tray) check item check work action to be taken at ng (3-1-1) check condition of the paper running ...

  • Page 161

    43856301th rev.3 160 / oki data confidential 7. Troubleshooting and repair procedure check item check work action to be taken at ng (3-2-4) check the system connection paper feed motor drive cable check the connection condition of the cable. Check if the connector is connected in the half- way only ...

  • Page 162

    43856301th rev.3 161 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (4) feed jam (error code 380) (4-1) jam occurs immediately after the power is turned on. Check item check work action to be taken at ng (4-1-1) check condition of the paper running path paper running path of ...

  • Page 163

    43856301th rev.3 162 / oki data confidential 7. Troubleshooting and repair procedure check item check work action to be taken at ng (4-2-4) check the system connection paper feed motor drive cable check the connection condition of the cable. Check if the connector is connected in the half- way only ...

  • Page 164

    43856301th rev.3 163 / oki data confidential 7. Troubleshooting and repair procedure (5-2) jam occurs immediately after paper feed is started. (multipurpose tray) check item check work action to be taken at ng (5-2-1) check condition of the paper running path paper running path of the multipurpose t...

  • Page 165

    43856301th rev.3 164 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (6) paper running jam (error code 381:) (6-1) jam occurs immediately after the power is turned on. Check item check work action to be taken at ng (6-1-1) check condition of the running path. Paper running pat...

  • Page 166

    43856301th rev.3 165 / oki data confidential 7. Troubleshooting and repair procedure check item check work action to be taken at ng (6-2-4) check the system connection paper feed motor drive cable, id motor drive cable, belt motor drive cable, id up motor drive cable, fuser motor drive cable check t...

  • Page 167

    43856301th rev.3 166 / oki data confidential 7. Troubleshooting and repair procedure (6-4) jam occurs immediately after paper has reached the fuser. Check item check work action to be taken at ng (6-4-1) motor operation check fuser motor confirm that the fuser motor works normally by using the motor...

  • Page 168

    43856301th rev.3 167 / oki data confidential 7. Troubleshooting and repair procedure check item check work action to be taken at ng (7-1-4) check the system connection signal cable for relay board, exit sensor cable check that ffc is normally inserted at the relay connector of the pu board and at th...

  • Page 169

    43856301th rev.3 168 / oki data confidential 7. Troubleshooting and repair procedure (7-3) paper unloading jam occurs in the middle of paper running path. Check item check work action to be taken at ng (7-3-1) motor operation check fuser motor confirm that the fuser motor works normally by using the...

  • Page 170

    43856301th rev.3 169 / oki data confidential 7. Troubleshooting and repair procedure (8-2) two-sided printing jam occurs during taking in the paper into duplex unit. Check item check work action to be taken at ng (8-2-1) solenoid operation check duplex solenoid confirm that the duplex solenoid works...

  • Page 171

    43856301th rev.3 170 / oki data confidential 7. Troubleshooting and repair procedure (8-4) two-sided printing jam occurs during transporting paper inside the duplex unit. Check item check work action to be taken at ng (8-4-1) sensor lever operation check dup-r, dup-f sensor lever remove the duplex u...

  • Page 172

    43856301th rev.3 171 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (10) id unit up/down error (service call 140 to 143) (10-1) error occurs during the up movement of the id unit check item check work action to be taken at ng (10-1-1) check the mechanical load during the up m...

  • Page 173

    43856301th rev.3 172 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (11) fuser unit error (error 170 to 177) (11-1) error occurs immediately after the power is turned on. Check item check work action to be taken at ng (11-1-1) thermistor is defective note) upper thermistor, l...

  • Page 174

    43856301th rev.3 173 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (12) motor fan error (error code 122, 127, 128, 918, 051) (12-1) the low voltage power supply fan does not rotate immediately after the power is turned on. Check item check work action to be taken at ng (12-1...

  • Page 175

    43856301th rev.3 174 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (13) print speed is slow. (performance is low.) (13-1) print speed decreases. Check item check work action to be taken at ng (13-1-2) media weight setting media weight that is specified for the print check if...

  • Page 176

    43856301th rev.3 175 / oki data confidential 7. Troubleshooting and repair procedure check item check work action to be taken at ng (14-1-2) check the system connection check the system connection from the pu board to the option tray board (v7y pcb). Check that the cable between the pu board option ...

  • Page 177

    43856301th rev.3 176 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (16) toner cartridge cannot be recognized. (error code 540, 541, 542, 543) (16-1) error caused by the consumable items. Check item check work action to be taken at ng (16-1-1) consumable items installation co...

  • Page 178

    43856301th rev.3 177 / oki data confidential 7. Troubleshooting and repair procedure (16-3) error caused by the defective mechanism check item check work action to be taken at ng (16-3-1) mechanical load applied to the id unit id unit check if a heavy mechanical load is being applied to the id unit ...

  • Page 179

    43856301th rev.3 178 / oki data confidential 7. Troubleshooting and repair procedure 7.5.2. (18) humidity sensor error (error code 123) (18-1) humidity sensor error check item check work action to be taken at ng (18-1-1) check the system connection connection between the pu board and operator panel ...

  • Page 180

    43856301th rev.3 179 / oki data confidential 7. Troubleshooting and repair procedure hvolt fuser motor (dc) belt motor id motor (dc) id up motor rfid antenna board-pol toner-low sensor toner-low sensor toner-low sensor toner-low sensor paper-end sensor cover open switch internal temperature thermist...

  • Page 181

    43856301th rev.3 180 / oki data confidential 7. Troubleshooting and repair procedure 7.5.3 troubleshooting the abnormal images a overall faded-out blurred b stain on white print c entirely white d black banding/ black streaking in vertical direction e cyclic abnormality f white banding/ white streak...

  • Page 182

    43856301th rev.3 181 / oki data confidential 7. Troubleshooting and repair procedure 7.5.3.(1) color has faded-out and blurred entirely. (refer to figure 7-2a.) (1-1) color are faded-out and blurred. Check item check work action to be taken at ng (1-1-1) toner remaining amount of toner check if the ...

  • Page 183

    43856301th rev.3 182 / oki data confidential 7. Troubleshooting and repair procedure 7.5.3.(2) stain on white print (refer to figure 7-2b.) (2-1) stain on white print (partial stain) check item check work action to be taken at ng (2-1-1) id unit exposure of drum to light is the drum left in a circum...

  • Page 184

    43856301th rev.3 183 / oki data confidential 7. Troubleshooting and repair procedure 7.5.3.(3) white print (refer to figure 7-2c.) (3-1) white print over entire page check item check work action to be taken at ng (3-1-1) toner condition remaining amount of toner confirm that sufficient amount of ton...

  • Page 185

    43856301th rev.3 184 / oki data confidential 7. Troubleshooting and repair procedure 7.5.3.(4) black banding/black streaking in vertical direction (4-1) thin vertical line (with color) (refer to figure 7-2d.) check item check work action to be taken at ng (4-1-1) id unit condition filming of the id ...

  • Page 186

    43856301th rev.3 185 / oki data confidential 7. Troubleshooting and repair procedure 7.5.3.(6) heavy color registration error (6-1) display of the message "color adjustment is in progress" appears only short time. Check item check work action to be taken at ng (6-1-1) result of color registration er...

  • Page 187

    43856301th rev.3 186 / oki data confidential 7. Troubleshooting and repair procedure ground charge roller developer roller toner feed roller figure 7-3.

  • Page 188

    43856301th rev.3 187 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4 network troubleshooting (1) print cannot be activated from utilities. Check item check work action to be taken at ng (1) check the link lamp check if the link lamp (green) is illuminating or not. Check if the ...

  • Page 189

    43856301th rev.3 188 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.1.1 is the certificate created? Log-on in as the administrator, and select "security" "encryption (ssl/tls)". If the following screen is displayed, certificate of the printer is not created yet. (the same scre...

  • Page 190

    43856301th rev.3 189 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.1.3 check version number of the web browser check version number of the web browser in use. How to check version number. For internet explorer launch the browser and select "help" "version information". Recomm...

  • Page 191

    43856301th rev.3 190 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.1.4 confirm encryption strength of a printer version display of the browser that is confirmed by section "7.5.4.1.3 check version number of the web browser" has description on encryption strength of the browse...

  • Page 192

    43856301th rev.3 191 / oki data confidential 7. Troubleshooting and repair procedure 5. Check the "encryption strength". 6. Set the "encryption strength" to "weak" and press the "apply" button. 7. Check the setup contents, and press "ok". 9. If the printer is displayed in the printer list, the setup...

  • Page 193

    43856301th rev.3 192 / oki data confidential 7. Troubleshooting and repair procedure solution: set the encryption strength to "weak". How to change encryption strength with telnet note! Telnet cannot be used if it remains in the default setting. To change the encryption strength, telnet must be set ...

  • Page 194

    43856301th rev.3 193 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.2 print operation is not possible if print operation is not possible by using the encrypted ipp printer, check the followings. Establish connection by "https://. 1) if the printer setting page is displayed, th...

  • Page 195

    43856301th rev.3 194 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.3 cannot create certificate when certificate cannot be created, the following causes are probable. Take an appropriate measure by referring to the following items. * required input items are not fully entered ...

  • Page 196

    43856301th rev.3 195 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.4.2 "network card is initialized" if network card is initialized (to default setup) while creation of certificate of certifying authority is in progress (during the period starting from creation of csr up unti...

  • Page 197

    43856301th rev.3 196 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.5 other questionnaires other probable questionnaires are described below. 7.5.4.5.1 time required for creation of certificate it takes several ten seconds for creation of certificate. 7.5.4.5.2 communication t...

  • Page 198

    43856301th rev.3 197 / oki data confidential 7. Troubleshooting and repair procedure 2. Press the "general" tab of the displayed certificate information, and press "install certificate" button. 3. The "certificate import wizard" is displayed. Install certificate in accordance with the displayed proc...

  • Page 199

    43856301th rev.3 198 / oki data confidential 7. Troubleshooting and repair procedure 7.5.4.6 restrictions when using internet explore 7 several restrictions are imposed when using internet explore 7. This is because security restriction became more severe in ie7. 7.5.4.6.1 warning indication when ss...

  • Page 200

    43856301th rev.3 199 / oki data confidential 7. Troubleshooting and repair procedure if the following error is issued, check the corresponding fuse of the cu control board, pu control board and high voltage power supply board. (refer to table 7-6.) table 7-6 fuse error 7.6 fuse check fuse name error...

  • Page 201

    43856301th rev.3 200 / oki data confidential 7. Troubleshooting and repair procedure 7.7 paper cassette switches versus paper size correspondence table dial display size bit no. Tray1~3 1 2 3 4 cassette: none h h h h legal 14" h l h l legal 13.5" h l h h legal 13" l l l h letter l l l l executive l ...

  • Page 202

    43856301th rev.3 201 / oki data confidential 7. Troubleshooting and repair procedure ide bus ide bus cu board hdd conversion board dpk-a1 7.8.1 data protection kit-a1 (dpk-al) overview purpose: by encrypting data to be stored in hdd, data is protected from eavesdropping even when hdd is stolen. Meth...

  • Page 203

    43856301th rev.3 202 / oki data confidential 7. Troubleshooting and repair procedure specification for safety: • if the data protection kit-a1 is removed from printer or swapped by others, it is informed to user as a warning. (error processing) • program download and eeprom read-out are prohibited s...

  • Page 204

    43856301th rev.3 203 / oki data confidential 7. Troubleshooting and repair procedure error processing flow when error 252, 253, 256 has occurred (hdd related error - ) error display error contents error 252 data protection kit-a1 does not exist. Error 253 user’s data protection kit-a1 does not exist...

  • Page 205

    43856301th rev.3 204 / oki data confidential 7. Troubleshooting and repair procedure error processing flow when error 250, 257 has occurred (hdd related error - ) error display error contents error 250 hdd data damage or hardware failure error 257 hdd data damage or hardware failure step 1 250: does...

  • Page 206: Connection Diagrams

    Oki data confidential 8. Connection diagrams 8.1 resistance value check ...............................................................206 8.2 parts location ...............................................................................210 8.3 f/w version number .......................................

  • Page 207

    43856301th rev.3 206 / oki data confidential 8. Connection diagrams 8.1 resistance value check unit electrical circuit diagram, connection part outside view resistance value transport belt motor m 1 2 3 4 between pin-1 and pin-2: 3.4 Ω between pin-3 and pin-4: 3.4 Ω id motor f1 across both ends of f...

  • Page 208

    43856301th rev.3 207 / oki data confidential 8. Connection diagrams unit electrical circuit diagram, connection part outside view resistance value id up/down motor m 1 2 3 4 between pin-1 and pin-2: 6.1 Ω between pin-3 and pin-4: 6.1 Ω fuser unit motor across both ends of ip1: 1 Ω or less ip1.

  • Page 209

    43856301th rev.3 208 / oki data confidential 8. Connection diagrams unit electrical circuit diagram, connection part outside view resistance value feed motor m 1 2 3 4 between pin-1 and pin-2: 3.4 Ω between pin-3 and pin-4: 3.4 Ω both-sided print motor m 1 2 3 4 between pin-1 and pin-2: 2.4 Ω betwee...

  • Page 210

    43856301th rev.3 209 / oki data confidential 8. Connection diagrams unit electrical circuit diagram, connection part outside view resistance value fuser unit b - 6 upper roller heater #1 upper roller heater #2 a - 6 b - 1 a - 1 thermostat upper thermistor b - 4 b - 5 lower thermistor a - 2 a - 3 fra...

  • Page 211

    43856301th rev.3 210 / oki data confidential 8. Connection diagrams 8.2 parts location (1) print engine controller pcb (pu pcb) component side r47 c21 r45 r46 r43 r41 r98 c20 r42 r38 r39 osc ic7 r54 13 14 1 2 21 22 23 24 1 2 rfid stkfl 1 1 3 5 cp4 ic8 fet1 fet2 fet3 r7 r8 r9 r34 r35 r33 r30 r24 r25 ...

  • Page 212

    43856301th rev.3 211 / oki data confidential 8. Connection diagrams soldering side r619r617 r616 r615 r607 c539 c540 c562 c563 c565 c564 ic501 r620 r621 c542 c544 c541 d504 r542 r538 c516 c515 r536 r540 rm501 c543 r584 r583 r581 r580 r579 r578 r577 r573 r614 c569 r605 rm502 q507 c527 c531 c521 c520 ...

  • Page 213

    43856301th rev.3 212 / oki data confidential 8. Connection diagrams (2) main controller pcb component side cent cp6 fet1 fet2 th1 th2 fet3 fet4 clkout mpuci thrmd2 thrmd1 dbw o aa ck ts ta c1 rm75 rm76 rm77 r6 r7 rm78 2 1 50 49 200 42 hddpo wer pu735 16 1 199 41 39 ide kgnd kvdd rsrv dbg r139 r167 r...

  • Page 214

    43856301th rev.3 213 / oki data confidential 8. Connection diagrams soldering side bf505 r701 c758 c726 c759 r704 rm590 rm585 rm588 r767 r824 c920 38 39 64 1 128 rm586 c807 rm564 r798 rm587 r705 rm565 rm563 rm569 rm554 rm591 rm544 ic505 ic504 ig502 rm559 rm562 c787 c828 cc501 c692 rst501 c859 rm538 ...

  • Page 215

    43856301th rev.3 214 / oki data confidential 8. Connection diagrams (4) rellay pcb component side soldering side fuser s1 c1 exit c2 lcr j1 cp1 dens rcr puif 8 1 4 1 24 1 5 1 4 1 3 1 (3) host usb pcb(tbi pcb) component side soldering side pciif rm2 rm3 rm1 cp2 gnd1 osc1 c9 osc2 bf3 ic3 r3 c5 c6 c4 c...

  • Page 216

    43856301th rev.3 215 / oki data confidential 8. Connection diagrams (6) both-sided printing control pcb component side soldering side main1 1 j11 13 j8 j9 j20 cp2 sns03 sns12 1 1 6 6 j24 j21 j18 osc j3 j26 j2 j4 j12 j13 j25 j19 j17 j1 j31 j32 j33 j29 j27 j6 j7 j10 j28 j5 j15 j16 j30 j34 j35 1 1 3 1 ...

  • Page 217

    43856301th rev.3 216 / oki data confidential 8. Connection diagrams (7) second tray control pcb soldering side main1 main2 1 j11 13 14 1 j8 j9 j20 cp2 sns03 sns12 1 1 6 6 j24 j21 j18 osc j3 j26 j2 j4 j12 j13 j25 psz j19 5 1 j17 j1 j31 j32 j33 j29 j27 j6 j7 j10 j28 j5 j15 j16 j30 j34 j35 1 1 3 1 4 cl...

  • Page 218

    43856301th rev.3 217 / oki data confidential 8. Connection diagrams (8) control panel pcb (9) toner low sensor pcb sw1 sw0 led2 led1 sw7 sw6 sw2 cn3 hsns 1 sw3 sw5 sw4 cn1 j501 j502 j558 r501 r502 r505 r506 r507 r508 r535 r504 j503 th501 q501 q503 j518 r511 j523 r512 r517 r513 r514 j527 j537 r518 r5...

  • Page 219

    43856301th rev.3 218 / oki data confidential 8. Connection diagrams (10) entrance sensor pcb wr in2 in 1 cn r1 r2 5 1 (11) color adjustment sensor pcb (12) high-voltage power supply pcb c710dn s n s c n c e a k cn4 cn2 cn3 cn1 tr-k tr-m tr-y tr-c.

  • Page 220

    43856301th rev.3 219 / oki data confidential to the po wer connector of the pu pcb note : 100v system shor ting plug is mounted. 230v system shor ting plug is not mounted. Shor ting plug f or cn6 to the fuser unit i/f connector cn3 cn6 cn2 cn1 8. Connection diagrams (13) low-voltage power supply pcb...

  • Page 221

    43856301th rev.3 220 / oki data confidential 8. Connection diagrams (15) transfer belt unit fuse transfer belt unit (for consumable parts) transfer belt unit relay pcb contactor point contactor point fuse.

  • Page 222

    43856301th rev.3 221 / oki data confidential 8. Connection diagrams 8.3 f/w version number 8.3.1 rom control number rom nameplate version number fill-out version date cu f/w 43965201fy01 nic f/w 43965201fy02 loader 43436808fy01 * remarks rev. File rev. Nic f/w web page file rev. Rev. File rev. 1 200...

  • Page 223

    43856301th rev.3 222 / 222 oki data confidential 8. Connection diagrams 8.3.2 rom version check and display (1) perform the menu map printing and confirm that the f/w version number has been upgraded. (2) fill out the rom label that is attached to the location shown below in accordance with the down...