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Oki C9200 Maintenance Manual

Manual is about: Oki Printer User Manual

Summary of C9200

  • Page 1

    41388601th rev.6 1 / 142 oki data confidential c9400/c9200 color led page printer maintenance manual oda/oel/int 2002-12-10 rev.6.

  • Page 2

    41388601th rev.6 2 / oki data confidential 1 2000-12-05 issue em3 murakami 2 2000-12-13 8 correction of errors in k yamazaki the parts list 3 2001-05-15 cn11 kasuya 4 2001-10-12 k yamazaki 5 2002-11-27 k yamazaki 6 2002-12-10 np34 ueda rev.No. Date no. Corrected items page description of change pers...

  • Page 3: Preface

    41388601th rev.6 3 / oki data confidential preface this maintenance manual provides procedures and techniques for the troubleshooting, maintenance, and repair of c9400/c9200. This manual is written for maintenance personnel, but it should always be accompanied with the c9400/ c9200 user’s manual for...

  • Page 4

    41388601th rev.6 4 / oki data confidential contents 1. Specifications ............................................................................................ 6 1.1 basic system configuration ............................................................................................. 6 1.2 prin...

  • Page 5

    41388601th rev.6 5 / oki data confidential 3. Adjustment .................................................................................................... 62 3.1 maintenance menu and its functions ............................................................................ 62 3.2 short plug setti...

  • Page 6

    41388601th rev.6 6 / oki data confidential job offset m m m m m m m led head j unction board pulse motors engine controller lo w-v oltage p o w er unit fuser unit high-v oltage p o w er unit 2nd/3rd t ra y / large-capacity tr a y duple x unit belt unit , switches and ther mistors> p aper carr ier se...

  • Page 7

    41388601th rev.6 7 / oki data confidential 1.2 printer engine specifications the inside of the printer is composed of the followings: • electrophotographic processor • paper paths • controller block (cu and pu) • operator panel • power units (high-voltage unit and low-voltage unit) figure 1-2 shows ...

  • Page 8

    41388601th rev.6 8 / oki data confidential 1.3 option configuration the followings are available as options on c9400/c9200. (1) 2nd tray/ 3rd tray (2) duplex unit (3) large-capacity tray (4) expansion memory 64/128/256mb (5) internal hard disk (6) ethernet board.

  • Page 9

    41388601th rev.6 9 / oki data confidential (7) finisher unit (for c9400/c9200 oel/int version) 1.4 specifications (1) dimensions height: 460mm width: 666mm length: 626mm (2) weight 72kg (3) paper type: ordinary paper and transparencies (recommended: ml ohp01) size: postal card, legal 13" or 14", exe...

  • Page 10

    41388601th rev.6 10 / oki data confidential temperature (ºf) remark temperature (ºc) operating 50 to 89.6 10 to 32 17 to 27ºc (temperatures to assure full color print quality) non-operating 32 to 109.4 0 to 43 power-off storage (max. One year) -14 to 109.4 -10 to 43 with drum and toner transport (ma...

  • Page 11

    41388601th rev.6 11 / oki data confidential 2. Parts replacement this section describes the procedure for replacing the parts, assemblies and units in the field. The replacing procedure is given for detachment. To attach, use the reverse procedure. 2.1 precautions in replacing parts (1) before repla...

  • Page 12

    41388601th rev.6 12 / oki data confidential no. No. 1-100 philips screwdriver q' ty place of use remarks service tools 1 2 3 4 5 6 8 no. 2-200 philips screwdriver, magnetized no. 3-100 screwdriver no. 5-200 screwdriver digital multimeter pliers handy cleaner led head cleaner p/n 4pb4083-2248p001 1 1...

  • Page 13

    41388601th rev.6 13 / oki data confidential 2.2 parts layout figure 2.1.

  • Page 14

    41388601th rev.6 14 / oki data confidential figure 2.2 [top cover assy].

  • Page 15

    41388601th rev.6 15 / oki data confidential figure 2.3 [printer unit-1/2].

  • Page 16

    41388601th rev.6 16 / oki data confidential figure 2.4 [printer unit-2/2].

  • Page 17

    41388601th rev.6 17 / oki data confidential figure 2.5 [cassette guide assy (l), (r)].

  • Page 18

    41388601th rev.6 18 / oki data confidential figure 2.6.

  • Page 19

    41388601th rev.6 19 / oki data confidential a b c d e a b c d e figure 2.7 [duplex unit].

  • Page 20

    41388601th rev.6 20 / oki data confidential 2.3 replacing parts this section describes how to replace the parts and assemblies illustrated below. 41531301 41515110 print engine controller pwb (2.3.22) 41502304 × 4 led assy (2.3.2) 40737401 power-unit ac-dc switching (115v) (2.3.34) 40737501 power-un...

  • Page 21

    41388601th rev.6 21 / oki data confidential 2 1 1 1 2.3.1 top cover (1) open the top cover assy. (2) remove the nine screws 1 to detach the top cover 2 ..

  • Page 22

    41388601th rev.6 22 / oki data confidential 1 3 4 4 3 2 2.3.2 led assy/ led assy spring (1) open the top cove 1 . (2) remove the three cables, and unhook the led assy 2 at the two places to demount it (the two springs 3 become detached together with the led assy 2 ). (3) detach the led connector 4 ....

  • Page 23

    41388601th rev.6 23 / oki data confidential 8 4 1 7 6 3 1 5 2 2 2.3.3 top cover unit (1) remove the top cover (see section 2.3.1). (2) remove the rear cover (see section 2.3.12). (3) remove the front cover (see section 2.3.11). (4) remove the electrical chassis (see section 2.3.21). (5) unscrew the ...

  • Page 24

    41388601th rev.6 24 / oki data confidential 7 6 2 1 4 c 0 9 9 a b 3 2 d 8 2.3.4 control panel assy/ control panel bezel/ led control pwb/ toner sensor/ stack full sensor/ control panel tape harness/ eject roller (1) detach the control panel bezel 1 . (2) remove the screws 2 to demount the control pa...

  • Page 25

    41388601th rev.6 25 / oki data confidential 3 1 1 2 4 4 2.3.5 top cover handle/ tope cover latch/ top cover latch spring (1) remove the two screws 1 to detach the top cover handle 2 and disengage the top cover latch 3 (the two top cover latch springs 4 become detached)..

  • Page 26

    41388601th rev.6 26 / oki data confidential 1 1 1 1 2 2.3.6 eject guide assy (1) remove the seven screws 1 to detach the eject guide assy 2 ..

  • Page 27

    41388601th rev.6 27 / oki data confidential 5 4 2 1 5 3 5 5 2.3.7 cassette assy/ blind cover/ side cover r assy (1) detach the cassette assy 1 . (2) disengage the blind cover 2 at the two places to detach it. (3) unscrew the two screws to remove the stopper 4 . (4) disengage the claw on the left sup...

  • Page 28

    41388601th rev.6 28 / oki data confidential 1 1 1 2.3.8 feed rollers (1) remove the cassette. (2) unlatch and demount the feed rollers 1 ..

  • Page 29

    41388601th rev.6 29 / oki data confidential 1 1 2 2.3.9 left side cover (1) remove the four screws 1 to detach the left side cover 2 ..

  • Page 30

    41388601th rev.6 30 / oki data confidential 1 2 2 2.3.10 face-up tray (1) open the face-up tray in the arrow direction and move the links 2 out of engagement (at two places each of the links) to detach the face-up tray 1 ..

  • Page 31

    41388601th rev.6 31 / oki data confidential 4 4 2 3 4 4 4 1 2.3.11 front cover (1) open the top cover 1 . (2) disengage the claws and remove the blind cover 2 . (3) unscrew the six screws 4 to detach the front cover 3 ..

  • Page 32

    41388601th rev.6 32 / oki data confidential 1 2 4 3 3 2.3.12 rear cover (1) open the top cover 1 , (2) remove the five screws 3 and 4 to detach the rear cover 2 ..

  • Page 33

    41388601th rev.6 33 / oki data confidential 1 2 3 6 5 6 4 5 engagement engagement 8 3 8 1 2.3.13 multipurpose tray assy/ multipurpose tray cover assy/ links/ multipurpose tray top cover/ multipurpose tray drive gear (1) remove the rear cover (see section 2.3.12). (2) remove the front cover (see sect...

  • Page 34

    41388601th rev.6 34 / oki data confidential 1 2.3.14 drum contact assys (1) insert a flatblade screwdriver between the printer case and the drum contact assy 1 to demount the drum contact assy..

  • Page 35

    41388601th rev.6 35 / oki data confidential 1 1 2 4 3 2.3.15 registration roller assy (a)/ registration drive gear (a) (1) remove the front cover (see section 2.3.11). (2) remove the rear cover (see section 2.3.12). (3) remove the multipurpose tray (see section 2.3.13). (4) unscrew the four screws 1...

  • Page 36

    41388601th rev.6 36 / oki data confidential 1 1 2 1 2.3.16 registration roller assy (b) (1) remove the cassette assy. (2) remove the front cover (see section 2.3.11). (3) remove the rear cover (see section 2.3.12). (4) remove the electrical chassis (see section 2.3.21). (5) remove the registration c...

  • Page 37

    41388601th rev.6 37 / oki data confidential 7 3 6 4 1 2 6 5 2.3.17 registration clutch, registration motor assy (1) remove the left side cover (see section 2.3.9). (2) remove the electrical chassis (see section 2.3.21). (3) remove the connector and the e ring 1 , then screws 3 and 4 , and then the e...

  • Page 38

    41388601th rev.6 38 / oki data confidential 1 3 2 air direction 2.3.18 cooling fan (1) unhook the connector 1 , and remove the screws 2 and the cooling fan 3 ..

  • Page 39

    41388601th rev.6 39 / oki data confidential 1 1 3 4 1 2 2 2.3.19 color registration sensor assy (1) remove the two screws 1 and the three connectors to demount the color registration sensor assy 2 . (2) remove the earth plate b 3 ..

  • Page 40

    41388601th rev.6 40 / oki data confidential 1 main chassis (l side) 2 2 2.3.20 duplex guide assy (1) unlatch and demount the duplex guide assy 1 . (2) remove the springs 2 ..

  • Page 41

    41388601th rev.6 41 / oki data confidential 2 1 1 1 6 6 6 6 6 4 4 5 9 8 3 7 air direction 2.3.21 electrical chassis/ electrical chassis cooling fan (1) unscrew the five screws 1 and two screws 2 to remove the plate a 3 . (2) unscrew the thirty-one screws 4 to remove the shield plate b 5 . (3) remove...

  • Page 42

    41388601th rev.6 42 / oki data confidential 1 1 2 2.3.22 printer engine controller pwb (1) remove the rear cover (see section 2.3.12). (2) remove the electrical chassis and the electrical cooling fan (see section 2.3.21). (3) remove the five screws 1 and all the connectors to demount the printer eng...

  • Page 43

    41388601th rev.6 43 / oki data confidential 4 4 4 3 3 4 3 4 5 1 2 3 3 2.3.23 printer unit chassis (1) unscrew the screw 1 and remove the ac switch assy 2 . (2) remove the four black screws 3 and six screws 4 to detach the printer unit chassis 5 ..

  • Page 44

    41388601th rev.6 44 / oki data confidential 1 main chassis 2.3.24 entrance cassette sensor actuator (1) remove the printer unit chassis (see section 2.3.12). (2) turn over the main chassis. (3) remove the two clamps with tweezers to demount the entrance cassette sensor actuator 1 ..

  • Page 45

    41388601th rev.6 45 / oki data confidential 1 2 2.3.25 entrance sensor pwb (1) remove the registration roller assy (b) (see section 2.3.16). (2) remove the two screws 1 to demount the entrance sensor pwb 2 ..

  • Page 46

    41388601th rev.6 46 / oki data confidential 2 1 2.3.26 entrance mt sensor actuator and entrance belt sensor actuator (1) remove the entrance sensor pwb (r71) (see section 2.3.25). (2) unlatch and detach the entrance mt sensor actuator 1 . (3) unlatch and detach the entrance belt actuator 2 ..

  • Page 47

    41388601th rev.6 47 / oki data confidential b 0 0 a 9 9 5 7 1 8 4 3 1 2 c 2.3.27 main motor fan/ fuser eject roller (1) unscrew the two screws 1 to remove the fan assy 2 . (2) unscrew the fuser eject roller contact 4 . (3) remove the fuser drive gear 5 . (4) unscrew the fuser drive gear assy 8 . (5)...

  • Page 48

    41388601th rev.6 48 / oki data confidential 1 2 2.3.28 eject sensor assy (1) remove the fuser eject roller (see section 2.3.27). (2) remove the screw 1 and connector 2 to demount the (red/blue) eject sensor assy 2 ..

  • Page 49

    41388601th rev.6 49 / oki data confidential 3 1 2 2.3.29 fuser latching handle (l) (1) remove the latching handle spring 1 . (2) unscrew the fuser latching handle (l) 2 , 3 ..

  • Page 50

    41388601th rev.6 50 / oki data confidential 2 3 1 1 2.3.30 belt motor assy (1) remove the fuser latching handle (r) (see section 2.3.21). (2) unscrew the two screws 1 to detach the two connector 2 . (3) demount the belt motor assy 3 ..

  • Page 51

    41388601th rev.6 51 / oki data confidential 3 1 2 2.3.31 fuser latching handle (r) (1) remove the printer unit chassis (see section 2.3.23). (2) remove the e ring 1 . (3) remove the fuser latching handle spring 2 to detach the fuser latching handle (r) 3 ..

  • Page 52

    41388601th rev.6 52 / oki data confidential 1 2 1 2.3.32 main motor assy (1) remove the belt motor assy (see section 2.3.30). (2) remove all the connector. (3) remove the two screws 1 to demount the main motor assy 2 ..

  • Page 53

    41388601th rev.6 53 / oki data confidential 4 2 1 3 2.3.33 contact assy/ side plate assy (1) remove the printer unit chassis (see section 2.3.23). (2) remove the four screws 1 to detach the side plate assy 2 . (3) remove the three screws 3 to detach the contact assy 4 ..

  • Page 54

    41388601th rev.6 54 / oki data confidential 1 3 8 a 2 7 6 5 0 9 0 0 2 2 b 2.3.34 low voltage power supply (1) remove the printer unit chassis (see section 2.3.23). (2) unhook the connector 1 . (3) remove the eight screws 2 to demount the low voltage power supply 5 ..

  • Page 55

    41388601th rev.6 55 / oki data confidential 2 2 1 3 2.3.35 high voltage power supply (1) remove the contact assy (see section 2.3.33). (2) unhook the connector of the high voltage power supply 1 . (3) remove the two screws 2 to detach the high voltage power supply 1 and the tape harness 3 ..

  • Page 56

    41388601th rev.6 56 / oki data confidential 8 3 3 6 7 5 1 9 0 1 4 2 2.3.36 main feed assy (1) remove the printer unit chassis (see section 2.3.23). (2) remove the low voltage power supply and high voltage power supply (see sections 2.3.34 and 2.3.35). (3) unscrew the five screws 1 to remove the lowe...

  • Page 57

    41388601th rev.6 57 / oki data confidential 3 2 2.3.37 fuser unit (1) open the top cover 1 . (2) push the right and left fuser levers (blue) 2 in the arrow direction to detach the fuser unit 3 ..

  • Page 58

    41388601th rev.6 58 / oki data confidential 1 2 3 2.3.38 belt unit (1) open the top cover 1 . (2) remove the i/d unit. (3) push the lever (blue) 2 in the arrow direction, raise the handle (blue) and detach the belt unit 3 ..

  • Page 59

    41388601th rev.6 59 / oki data confidential 1 3 2 5 4 2.3.39 duplex unit (1) remove the cassette assy, the front cover and the front cover inner buffle. (2) unlatch the rear at the right and left and pull the duplex unit 1 toward the front..

  • Page 60

    41388601th rev.6 60 / oki data confidential 1 1 3 5 4 2 2.3.40 cu assy (1) pulling out control board 1. Loosen the two screws 1 . 2. Pull the control board 2 out. 3. Place the control board 2 on a flat table. (2) detaching fan 1. Remove the connector 3 . 2. Remove the two screws 4 . 3. Detach the fa...

  • Page 61

    41388601th rev.6 61 / oki data confidential 8 c 0 d 9 0 h b c e 0 a 0 f a 6 g f 6 7 41848502 (board assy.-cu[maintenance]) attached screw. (3) demounting swa board 1. Remove the three screws 6 and screw 7 to detach the fan bracket 8 . 2. Remove the screw 9 and four screws 0 to detach the plate suppo...

  • Page 62

    41388601th rev.6 62 / oki data confidential 3. Adjustment adjustments are carried out by key operations on the operator panel. The maintenance menu is included in the general menu of this printer. Choose the maintenance menu for adjustment. 3.1 maintenance menu and its functions the general menu has...

  • Page 63

    41388601th rev.6 63 / oki data confidential 3.2 short plug settings the swa board has two short plugs that can be set as follows: short plug (we1) sets flash rom dimm to connect we signals. (1-2 short: disconnects we signals; 2-3 short: connects we signals.) the factory-shipped short plug is set to ...

  • Page 64

    41388601th rev.6 64 / oki data confidential 3.4 adjustment after part replacement adjustment to be implemented after each part replacement is described below. Adjustment and correction of color registration are always required for each part replacement. * note: when the eeprom of the pu (k73 board) ...

  • Page 65

    41388601th rev.6 65 / oki data confidential 3.5 color balance adjustment color balance has been adjusted appropriately when a printer is shipped from the plant. However, it may be out of the appropriate balance during use. In such a case, color balance should be modified. Note: density of each color...

  • Page 66

    41388601th rev.6 66 / oki data confidential.

  • Page 67

    41388601th rev.6 67 / oki data confidential 3.6 eeprom replacement after swa board and k73 board replacement when replacing the swa board or k73 board, the eeprom used by the user must be removed and re-mounted on the new board (to deliver the user setting and font installment information to the new...

  • Page 68

    41388601th rev.6 68 / oki data confidential 4. Regular maintenance 4.1 parts to be replaced regularly it is recommended that a user should replace the parts below regularly according to the replacement standard. (if not replaced, print quality is not assumed or it may result in a failure.) part name...

  • Page 69

    41388601th rev.6 69 / oki data confidential 5. Troubleshooting procedures 5.1 tips for troubleshooting (1) check the basic check points covered in the user’s manual. (2) gather as much information on the problem from the customer as possible. (3) perform inspections in conditions close to those in w...

  • Page 70

    41388601th rev.6 70 / oki data confidential 5.4 preparation for troubleshooting (1) operator panel display the failure status of this printer is indicated on the lcd (liquid crystal display) of the operator panel. Take the proper corrective action according to the message displayed on the lcd. 5.5 t...

  • Page 71

    41388601th rev.6 71 / oki data confidential 5.5.1 lcd message list the printer indicates a service call error message on the lcd as shown below, detecting an unrecoverable error. Service call nnn : error note: nnn is an error code. When the service call message is displayed, the error information co...

  • Page 72

    41388601th rev.6 72 / oki data confidential service call 040: error cu eeprom error can the printer recover from the error by replacing the eeprom on the cu board? Yes no replace the eeprom. (settings of the user must be restored on the new.) replace the swa board. (the eeprom needs replacement.) se...

  • Page 73

    41388601th rev.6 73 / oki data confidential table 5-1-1 operator alarms (3/6) service call 125: error error detected at the mt home position. 1) is the error message displayed? 2) does the error repeat? Yes yes turn off/on the printer. Replace the mt. Service call 130: error temperature rise at the ...

  • Page 74

    41388601th rev.6 74 / oki data confidential table 5-1-1 operator alarms (4/6) install new drum 350: y drum life 351: m drum life 352: c drum life 353: k drum life end of the id unit life. 26,000 or more copies printed. Is it displayed soon after the id unit replacement? Yes no confirm the life of th...

  • Page 75

    41388601th rev.6 75 / oki data confidential table 5-1-1 operator alarms (5/6) check duplex 372: paper jam paper jam detectedd uring paper feed from the duplex unit. 1) does misfeed occur in the duplex unit? Yes no remove the misfed paper and close the cover. Check the duplex unit, or replace it. Ope...

  • Page 76

    41388601th rev.6 76 / oki data confidential table 5-1-1 operator alarms (6/6) load *** papers 491~495: no paper in the tray * (*** = a4, b5 etc.) no paper in the cassette 1, 2, 3, 4 or 5 detected. 1) no paper in the specified cassette? 2) does the paper out sensor operate normally? Yes no load paper...

  • Page 77

    41388601th rev.6 77 / oki data confidential s/c-121 ac sw s/c-unspecified s/c-121 s/c-120 s/c-51 fan#5 fan#1 fan#2 fan#3 fan#4 equipment plane view notice: s/c---> service call s/c-121 heater exhaust power supply unit high-voltage power supply s/c-121 s/c-122 cuboaud pu heater s/c 120 121 122 descri...

  • Page 78

    41388601th rev.6 78 / oki data confidential jam 06 jam 03 punch punch unit invert path staple path accumulator paper feed knob jam 02 jam 01 jam 05 jam 07 jam 04 a k q a h e f g b c d b m n sensor switch roller motor paper path o p c d l f g j e r h i upper cover (no sensor) lower cover bin 1 (face ...

  • Page 79

    41388601th rev.6 79 / oki data confidential 5.5.2 lcd message troubleshooting (1) lcd message the message on the lcd (liquid crystal display) tells the problem situation of the printer. Implement the appropriate troubleshooting base on the message. No. Problem flowchart number 1 the printer does not...

  • Page 80

    41388601th rev.6 80 / oki data confidential 1 the printer does not work normally after turned on. • turn off the printer, wait a few seconds, then turn it on again. • is displayed on the lcd (for about 1 second)? • no is the ac cable connected correctly? No connect the ac cable correctly. ▼ • yes is...

  • Page 81

    41388601th rev.6 81 / oki data confidential 2 -1 paper input jam (1st tray) • does the jam occur soon after the printer is turned on? • yes is the paper jammed at the entrance cassette sensor or the entrance mt sensor ? * mt : multipurpose tray yes remove the jammed paper. ▼ • no do the sensor lever...

  • Page 82

    41388601th rev.6 82 / oki data confidential 2 -2 paper input jam (multipurpose tray (mt)) • does the paper jam occur immediately after the printer is powered on? • yes is the paper jammed at the entrance cassette sensor or the entrance mt sensor ? Yes remove the paper jam. ▼ • no does the lever of t...

  • Page 83

    41388601th rev.6 83 / oki data confidential a 2 -3 paper feed jam • does the paper jam occur immediately after the printer is powered on? • yes is the paper jammed at the entrance belt sensor? Yes remove the jammed paper. ▼ • no does the lever of the write sensor work right? No replace the lever of ...

  • Page 84

    41388601th rev.6 84 / oki data confidential 2 -4 paper eject jam • does the paper jam occur immediately after the printer is powered on? • yes is the paper jammed at the ejection sensor? Yes remove the jammed paper. ▼ • no does the lever of the ejection sensor operate normally? No replace the ejecti...

  • Page 85

    41388601th rev.6 85 / oki data confidential 2 -5 duplex jam • does the paper jam occur immediately after the printer is turned on? • yes is the paper jammed at the in sensor, rear sensor or front sensor in the duplex unit? Yes remove the jammed paper. ▼ • no do the in sensor, rear sensor and front s...

  • Page 86

    41388601th rev.6 86 / oki data confidential 3 paper size error • is paper in the specified size used? No use paper that complies with the specification. Yes is the paper jammed at the entrance mt sensor or at the paper width sensor? Yes remove the jammed paper. ▼ • yes does the lever of the entrance...

  • Page 87

    41388601th rev.6 87 / oki data confidential 4 image drum unit (idu) up/down error • turn off the printer, wait a few seconds, then turn it on again. • does each drum unit rotate properly while printing? • no is the resistance of the idu motor at the rated value (approx. 4.0 Ω )? No replace the defec...

  • Page 88

    41388601th rev.6 88 / oki data confidential 5 fuser unit error • does the fuser error occur immediately after the printer is turned on? • yes does the heat roller thermistor have a open or short circuit? (see figure 5.1.) (at room temperature 0 ° c~ 43 ° c, approx. 190 ~ 980 Ω ) yes replace the fuse...

  • Page 89

    41388601th rev.6 89 / oki data confidential 6 fan motor error • does the fan of the low-voltage power supply unit rotate after the printer is turned on? • yes does the error recur after the fan of the low-voltage power supply unit has been replaced? • yes replace the low-voltage power supply unit. ▼...

  • Page 90

    41388601th rev.6 90 / oki data confidential printout problem flowchart no. Light or blurred images, or images in inappropriate color tone (figure 5.2- a ) 1 dark background (figure 5.2- b ) 2 no images on print output (figure 5.2- c ) 3 band/stripes in black or color in the longitudinal direction (f...

  • Page 91

    41388601th rev.6 91 / oki data confidential 1 light or blurred images or images in inappropriate color tone on the whole printout area (figure 5.2- a ) • is toner low? (is the message "toner low" displayed?) yes supply toner. ▼ • no is the specified paper used? No use the specified paper. ▼ • yes is...

  • Page 92

    41388601th rev.6 92 / oki data confidential 2 dark background (figure 5.2- b ) • was each id exposed to external light for a long time? Yes replace the id unit. Note: reset the counter after replacement. ▼ • no are the rollers in the fuser unit contaminated? Yes replace the fuser unit. ▼ • no adjust...

  • Page 93

    41388601th rev.6 93 / oki data confidential 3 blank paper (figure 5.2- c ) • is each led head assembly connected to the junction board (y71 pwb) and engine board (k73 pwb)correctly? No check the cable connection the led assembly with the junction board (y71 pwb) and engine board. ▼ • yes is +3.8v su...

  • Page 94

    41388601th rev.6 94 / oki data confidential 4 band/stripes in black or color in the longitudinal direction (figure 5.2- d ) • is each led head assembly connected to the junction board (y71 pwb) correctly? No connect the led head assembly to the junction board correctly. ▼ • yes check the cable conne...

  • Page 95

    41388601th rev.6 95 / oki data confidential 5 band/stripes in white or irregular color in the longitudinal direction (figure 5.2- f ) • is each led head lens contaminated? Yes clean the led head lens. ▼ • no is each led head assembly connected to the junction board (y71 pwb) correctly? No connect th...

  • Page 96

    41388601th rev.6 96 / oki data confidential 6 poor fusing (images are blurred or peeled off when touched with a hand.) • is the specified paper used? No use the proper paper. ▼ • yes is the contact of the fuser unit connected correctly? No connect the contact of the fuser unit properly. ▼ • yes are ...

  • Page 97

    41388601th rev.6 97 / oki data confidential 7 cyclical printout defects (figure 5.2- e ) note: after replacement of the id unit, fuser unit or belt cassette unit, the corresponding counter must be reset in the user maintenance mode. Cycle defective part solution 94.3 mm image drum replace the id uni...

  • Page 98

    41388601th rev.6 98 / oki data confidential 8 missing characters • is each led head lens contaminated? Yes clean the lens of led head. ▼ • no is each led head assembly connected to the junction board (y71 pwb) correctly? No check the cable connection, and connect the led head to the junction board c...

  • Page 99

    41388601th rev.6 99 / oki data confidential 9 color misalignment • is any of the following gears broken? (gear assy of id unit, multipurpose tray, belt unit and belt motor) yes replace the broken gear assembly. ▼ • no is each led head unit connected to the junction board (y71 pwb) correctly? No conn...

  • Page 100

    41388601th rev.6 100 / oki data confidential 0 printout colors different from the original • is each led head lens contaminated? Yes clean the led head lens. ▼ • no is each led head assembly connected to the junction board (y73 pwb) correctly? No check the cable connection (between each led head and...

  • Page 101

    41388601th rev.6 101 / oki data confidential figure 5.3 ground charge roller developing roller toner supply roller.

  • Page 102

    41388601th rev.6 102 / oki data confidential 6. Wiring diagram 6.1 resistance check unit circuit diagram illustration resistance between pins 1 and 2: 7.9 Ω between pins 3 and 4: 7.9 Ω between pins 1 and 2: 2.4 Ω between pins 3 and 4: 2.4 Ω between pins 1 and 2: 2.4 Ω between pins 3 and 4: 2.4 Ω tra...

  • Page 103

    41388601th rev.6 103 / oki data confidential unit circuit diagram illustration resistance between pins 1 and 2: 2.4 Ω between pins 3 and 4: 2.4 Ω between pins 1 and 2: 2.4 Ω between pins 3 and 4: 2.4 Ω between pins 1 and 2: 7.9 Ω between pins 3 and 4: 7.9 Ω main motor (c) main motor (b) mt resistrat...

  • Page 104

    41388601th rev.6 104 / oki data confidential yellow orange black black yellow orange black brown m 1 2 3 4 unit circuit diagram illustration resistance between pins 1 and 2: 7.9 Ω between pins 3 and 4: 7.9 Ω between pins 1 and 2: 23 Ω between pins 3 and 4: 23 Ω between pins 1 and 2: 7.9 Ω or 8.4 Ω b...

  • Page 105

    41388601th rev.6 105 / oki data confidential unit circuit diagram illustration resistance geared motor low-voltage absorption cu low-voltage ejection fuser fan - cn-1 + m cn-2 red black +32 v 1 fanalm-n 3 0 v 2 m yellow red black +32 v 1 fanalm-n 3 0 v 2 m yellow.

  • Page 106

    41388601th rev.6 106 / oki data confidential c d e f a b unit circuit diagram illustration resistance a 1 upper roller 1 2 lower roller b thermostat thermostat heater between pins a and b: between pins c and d: 231.4k Ω between pins e and f: 231.4k Ω (at 25 ° c) 2 between pins a and b: between pins ...

  • Page 107

    41388601th rev.6 107 / oki data confidential 6.2 parts layout on boards (1) print engine controller pwb (k73) cpufl1 fsens optn joden pa r ttemp rsns duplex ducov psize hvolt power bel tsns cuif tr10p reg bel thet shutter hopff frpucl rcl id co v opn.

  • Page 108

    41388601th rev.6 108 / oki data confidential (2) main controller pwb: swa puif fan 3 84 84 84 1 1 1 85 168 c 1 85 168 b 85 168 a dimm 84 2 85 168 168 168 168 84 1 85 1 85 1 85 1 1 84 3 84 4 sdram rom cent usb 2 3 18 36 1 19 1 4 pcicu a1 b1 c1 a36 b36 c36 ide 1 2 49 50

  • Page 109

    41388601th rev.6 109 / oki data confidential (3) led control pwb (y71-2 pwb) po wer stuck cpo w2 mpo w2 ypo w2 tnrsnsc tnrsnsm tnrsnsy optn kpo w 2 tnrsnsk pa n e l (4) duplex control pwb (v73- pwb) sns0 main1 sns1 cl1 cl2 m oto r (5) control panel pwb (x71- pwb) sw4 sw8 sw3 sw7 sw2 sw6 sw1 sw5.

  • Page 110

    41388601th rev.6 110 / oki data confidential (6) n71-pwb joden (7) entrance sensor pwb (r71- pwb) hum wrsns insns1 insns2 tnr fsns (8) paper size sensing pwb pxc (b73- pwb) cn11 sw1 sw2 sw3 sw4 (9) sensor pwb (a73-pwb) (10) option i/f pwb (c73-pwb) lift hop cn1 main1 savif.

  • Page 111

    41388601th rev.6 111 / oki data confidential figure 7-1-1/3 5 15 21 21 21 21 21 21 21 21 26 28 30 31 21 21 42 21 21 1 2 8 20 14 12 11 19 19 19 19 19 19 19 19 19 19 19 13 23 17 17 17 17 17 17 17 6 22 7 4 3 9 41 25 24 7. Parts list 7.1 printer unit parts list.

  • Page 112

    41388601th rev.6 112 / oki data confidential a b a b c c c 16 19 17 c 19 18 18 17 17 10 figure 7-1-2/3.

  • Page 113

    41388601th rev.6 113 / oki data confidential 38 26 34 33 40 44 39 32 35 36 37 27 board assy.-cu(maintenance) 34 [41848502] consists of a set of a bracket to support motor fan 37 (41410201), a sheet metal to secure pcb assy-swa 26 (41716819, 41716820), a gasket bonded to that sheet metal, and screws ...

  • Page 114

    41388601th rev.6 114 / oki data confidential no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 q’ty /unit 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 20 2 24 1 31 1 1 1 1 1 patrs no. 41481201 41484905 41484906 41353701 41277901 41276401 41749602 41277401 41484201 41276501 41484601 41...

  • Page 115

    41388601th rev.6 115 / oki data confidential no. 24 25 q’ty /unit 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 patrs no. 41514705 41514706 41514707 41514708 41514709 41514710 41514711 41514712 41514721 41514722 41514723 41514724 41515205 41515206 41515207 41515208 41515209...

  • Page 116

    41388601th rev.6 116 / oki data confidential table 7-1-3/3 no. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 q’ty /unit 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 (1) (1) (1) (1) (1) 1 1 1 1 1 1 1 1 1 2 1 patrs no. 41716819 41716820 8164323m0000 41469504 41437418 41437414 41437410 41437419 414374...

  • Page 117

    41388601th rev.6 117 / oki data confidential figure 7-2 16 16 16 3 9 10 7 8 3 3 3 3 3 3 3 2 2 2 2 15 18 18 14 12 13 5 1 4 11 17 6.

  • Page 118

    41388601th rev.6 118 / oki data confidential no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 q’ty /unit 1 4 4 8 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 4 1 1 19 parts no. 41484401 41502301 41502302 40861001 41257902 41349801 41487101 41487103 41514103 41514104 41514101 41514102 41514102 41514101 41703701...

  • Page 119

    41388601th rev.6 119 / oki data confidential figure 7-3-1/2 12 22 39 39 39 39 37 37 40 1 1 2 4 6 24 39 27 25 26 39 39 39 39 19 3 16 11 9 39 7 5 18 17 10 13 8 42 21 23 20

  • Page 120

    41388601th rev.6 120 / oki data confidential 37 37 37 33 37 37 37 37 37 37 29 27 28 37 30 37 38 37 37 34 32 35 41 43 31 37 36 figure 7-3-2/2.

  • Page 121

    41388601th rev.6 121 / oki data confidential no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 q’ty /unit 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 parts no. 41189701 41483201 41483301 40845401 41628401 41187101 41483401 41483701 4149100...

  • Page 122

    41388601th rev.6 122 / oki data confidential no. 33 34 35 36 37 38 39 40 41 42 43 q’ty /unit 1 1 1 1 1 1 26 1 29 2 1 1 1 parts no. 41303401 41303501 40737601 2381018p0002 2381003p0030 41500101 4pb4013-3100p006 psw4-8c 4pb4083-2500p008 41346301 41589501 40197103 41431602 remarks eco-c9400-070 name pw...

  • Page 123

    41388601th rev.6 123 / oki data confidential 9 12 11 11 11 11 11 11 11 11 12 12 12 12 12 12 12 12 12 12 8 1 7 10 10 10 7 7 7 9 figure 7-4-1/2.

  • Page 124

    41388601th rev.6 124 / oki data confidential 6 5 4 18 2 12 2 2 3 13 12 12 12 12 12 12 13 12 17 13 16 15 12 12 figure 7-4-2/2.

  • Page 125

    41388601th rev.6 125 / oki data confidential no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 q’ty /unit 1 1 1 1 1 1 1 1 1 4 1 1 1 4 27 18 4 2 1 3 1 parts no. 41481301 41481701 41766501 41488401 41529101 41713601 41685401 41515701 41503001 41502601 41515801 41844101 2201000p0140 4pb4013-3101p006 4pb...

  • Page 126

    41388601th rev.6 126 / oki data confidential a b c d e a b c d e 2 3 3 1 3 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 3 3 figure 7-5.

  • Page 127

    41388601th rev.6 127 / oki data confidential table 7-5 no. 1 2 3 4 q’ty /unit 1 1 1 2 21 9 parts no. 41178201 41178203 41178207 4pb4043-4718p001 4pb4083-2500p008 4pb4013-3100p006 remarks oda oel aps name duplex unit duplex unit duplex unit screw (sp3 × 10) screw (t3 × 8) screw (m3 × 6) per 500 - - -...

  • Page 128

    41388601th rev.6 128 / oki data confidential 20 24 25 1 7 7 7 7 9 23 22 21 9 19 figure 7-6-1/2.

  • Page 129

    41388601th rev.6 129 / oki data confidential figure 7-6-2/2 4 6 3 12 12 12 12 12 12 17 13 16 15 18 12 6 5 2 12 2 2 12 12 * * * * * * * * * * * these parts are not attached to the lowest tray..

  • Page 130

    41388601th rev.6 130 / oki data confidential no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 q’ty /unit 1 1 1 3 3 1 1 1 1 1 1 1 4 1 4 27 18 4 2 1 3 1 1 1 1 1 1 1 1 1 1 1 1 parts no. 41481301 41546901 41546903 41481701 41766501 41488401 41529101 41635101 41515701 41515801 418441...

  • Page 131

    41388601th rev.6 131 / oki data confidential 7.2 c9400/c9200 finisher for oel/int parts layout no. 1 2 3 4 5 part no. 41999549 41999555 41999556 41999558 41999559 name left panel upper left panel lower assy cover t cover f cover r 3 4 1 2 5.

  • Page 132

    41388601th rev.6 132 / oki data confidential 1 3 staple unit 3-a stapler 3-b cover staple b 3-c cover staple a 2 3, 3-a, 3-b, 3-c, 3-d, 3-e.

  • Page 133

    41388601th rev.6 133 / oki data confidential no. 1 2 3 3-a 3-b 3-c 3-d 3-e part no. 41999552 41999554 41999572 41999573 41999574 41999575 41999576 name left panel upper decurl assy staple unit stapler cover staple b cover staple a lever b staple cartridge 3-d lever b 3-e staple cartridge.

  • Page 134

    41388601th rev.6 134 / oki data confidential no. 1 2 3 4 part no. 41999517 41999520 41999523 41999577 name punch drive assy spring b spring i cover-pwb-a 2 1 3 4.

  • Page 135

    41388601th rev.6 135 / oki data confidential no. 1 2 part no. 41999514 41999515 41999516 41999521 name punch unit assy(2 holes) punch unit assy(3 holes) punch unit assy(4 holes) exit guide straight assy 1 2.

  • Page 136

    41388601th rev.6 136 / oki data confidential no. 1 2 3 part no. 41999553 41999504 41999530 name power supply plate assy bracket i assy gear(z16) 1 2 3.

  • Page 137

    41388601th rev.6 137 / oki data confidential no. 1 2 3 part no. 41999529 41999548 41999551 name upper side harness assy pwb plate assy pwb-a assy 1 2 3 dup switch 1 2 3 4 2 holes 3 holes 4 holes no punch ds-1:on ds-2:off ds-1:off ds-2:on ds-1:on ds-2:on ds-1:off ds-2:off * set dup switch on pwb-a as...

  • Page 138

    41388601th rev.6 138 / oki data confidential no. 1 2 3 4 5 6 7 8 9 10 11 12 part no. 41999506 41999508 41999519 41999533 41999534 41999537 41999538 41999540 41999541 41999542 41999544 41999546 name tension d assy hook r assy timing belt a wire spring c electric drive clutch pully pully t56 timing be...

  • Page 139

    41388601th rev.6 139 / oki data confidential no. 1 2 3 4 5 6 part no. 41999505 41999507 41999509 41999535 41999536 41999539 name hook f assy upper limit sensor assy elevate motor assy timing belt 60s3m408 solenoid assy flange 3 4 1 6 2 5.

  • Page 140

    41388601th rev.6 140 / oki data confidential no. 1 2 3 part no. 41999510 41999511 41999513 name exit guide invert assy gate roller f 2 1 3.

  • Page 141

    41388601th rev.6 141 / oki data confidential no. 1 2 part no. 41999531 41999569 name tractor motor putting roller 2 1.

  • Page 142

    41388601th rev.6 142 / 142 oki data confidential no. 1 2 3 4 5 part no. 41999501 41999502 41999503 41999524 41999525 name jogging assy guide stack assy center guide assy dust box plate assy edging t 3 4 1 2 5.