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Oki C9300 Series Maintenance Manual

Manual is about: C9300/C9500 User's Guide: Windows

Summary of C9300 Series

  • Page 1

    41956001th rev.1 1 / 220 oki data confidential c9500 /c9300 color led page printer maintenance manual oda/oel/int 2002-10-23 rev.1.

  • Page 2

    41956001th rev.1 2 / oki data confidential 1 2002-10-23 rev.No. Date no. Corrected items page description of change person in change document revision history.

  • Page 3: Preface

    41956001th rev.1 3 / oki data confidential preface this maintenance manual provides procedures and techniques for the troubleshooting, maintenance, and repair of c9500/c9300. This manual is written for maintenance personnel, but it should always be accompanied with the c9500/ c9300 user’s manual for...

  • Page 4: Contents

    41956001th rev.1 4 / oki data confidential contents 1. Specifications ............................................................................................ 7 1.1 basic system configuration ............................................................................................. 7 1.2 prin...

  • Page 5

    41956001th rev.1 5 / oki data confidential 3.3.17 registration roller assy (b) ............................................................................. 72 3.3.18 registration clutch / registration motor assy .................................................. 73 3.3.19 id cooling fan ..............

  • Page 6

    41956001th rev.1 6 / oki data confidential 5. Regular maintenance .................................................................................. 126 5.1 parts replaced regularly ............................................................................................ 126 5.2 cleaning ...........

  • Page 7

    41956001th rev.1 7 / oki data confidential m m m m m m m m led head centronics i/f usb i/f 2 × option slots junction board pulse motor engine control low v oltage power unit fuser unit high v oltage power unit 2nd/3rd t ray high capacity t ray duplex unit belt unit thermistors> paper size sensor (4 ...

  • Page 8

    41956001th rev.1 8 / 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 9

    41956001th rev.1 9 / oki data confidential 1.3 option configuration the followings are available as options on c9500/c9300. (1) 2nd tray/ 3rd tray note: don’t use one for c9200/c9400 (2) duplex unit (3) high-capacity tray (4) expansion memory 64/128/256/512mb (5) internal hard disk (6) ethernet boar...

  • Page 10

    41956001th rev.1 10 / oki data confidential (7) finisher unit (8) simplified color copy unit * equipped with exclusive auto feeder (9) dual-purpose finisher and copy unit table, and copy unit extension rack color copy unit extension rack dual-purpose finisher and copy unit table (10) 2nd/3rd tray un...

  • Page 11

    41956001th rev.1 11 / oki data confidential 1.4 specifications (1) external dimensions height: 460mm width: 666mm length: 626mm (2) weight 72 kg (3) paper type: ordinary paper and transparencies (recommended: ml ohp01) size: postal card, legal 13" or 14", executive, a4, a5, b5, a6, a3 a3-nobi, b4 (o...

  • Page 12

    41956001th rev.1 12 / oki data confidential temperature ( º f) remark temperature ( º c) operating 50 to 89.6 10 to 32 17 to 27 º c (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 transpo...

  • Page 13

    41956001th rev.1 13 / oki data confidential 2. Operation description c9500/c9300, a tandem color electrophotographic page printer, adopts technologies such as 4992-led array, opc, dry single-component non-magnetic developing, roller transfer and heat- compression fusing. The printing method is black...

  • Page 14

    41956001th rev.1 14 / oki data confidential 1200dpi exit pendf ohp1 ffpos pend pnend black red white blue humidity tempature green r c l r s n s power psize hvolt jo d e n f s e n s t r 1 o p r e g b e lt h e t duplex pcb-k7n parttemp shutter f a n 1 c o v o p n jo b o f f id hopff frpucl f e e d ho...

  • Page 15

    41956001th rev.1 15 / oki data confidential cab le f1 this side is the cutting corner. 6p 13p 7p blue snso main1 white 1 13 61 7p white cl1 2 1 cl2 3 1 m oto r 4 1 pcb-v7x motor main2 1 14 3p 3p cable 4 pickupclutch 4p 6p sns1 6 3 sns2 1 4 sns3 1 1 pnend cab le 6 cab le 2 cab le 10 geard motor cab l...

  • Page 16

    41956001th rev.1 16 / oki data confidential cab le f1 this side is the cutting corner. 6p 13p 7p blue snso main1 white 1 13 61 7p white cl1 2 1 cl2 3 1 m oto r 4 1 pcb-v7x motor main2 1 14 3p 3p cable 4 pickupclutch 4p 6p sns1 6 3 sns2 1 4 sns3 gddc 1 2 1 1 pnend cab le 6 cab le 2 cab le 10 geard mo...

  • Page 17

    41956001th rev.1 17 / oki data confidential 2.1 main control board (tig-pwb) figure 2.2 provides the block diagram of the main control board (tig-pwb). 3 pu-cu 200 pin c2516 eeprom v ideo data k, y , m, c v ideo i/f from pu pu-cu i/f t o c2 lsi to pu pu-cu command i/f to pu panel i/f a [31:0] sub bu...

  • Page 18

    41956001th rev.1 18 / oki data confidential (1) cpu the cpu is 64-bit bus risc processor powerpc750cxe, which receives an input of 100mhz (=bus clk) and operates at 450mhz or 600mhz. (2) secondary cache sram powerpc750cxe has its cache only inside of it. Speed: same as cpu core clk speed capacity: p...

  • Page 19

    41956001th rev.1 19 / oki data confidential figure 2.3 the engine control block (pu) is controlled by the engine control board (k7n pwb) which consists of a cpu (msm66q577), general lsi chip (dcon, mcon), flash rom, eeprom, sram, sdram and pulse motor drivers (see figure 2.3). (1) cpu this, a 16-bit...

  • Page 20

    41956001th rev.1 20 / oki data confidential 2.3 power units there are a low-voltage power unit, which consists of an ac filter circuit, low-voltage power circuit and heater driver circuit, and high-voltage power unit which organizes a high-voltage power circuit. (1) low-voltage power unit this circu...

  • Page 21

    41956001th rev.1 21 / oki data confidential 2.4 mechanical processes figure 2.4 shows the mechanical processes of the printer. Figure 2.4 paper eject roller pape ejection (face down) power supply charging roller cleaning blade heat roller paper eject roller fusing backup roller control signals led h...

  • Page 22

    41956001th rev.1 22 / oki data confidential 2.4.1 electrophotographic process (1) electrophotographic process the following is the outline of electrophotographic process: 1 charging dc voltage is applied to the charging roller and the surface of the opc drum is negatively and evenly charged. 2 expos...

  • Page 23

    41956001th rev.1 23 / oki data confidential (3) exposure the negatively charged surface of the opc drum is radiated with light from the led head. The negative charge of the radiated portions of the drum surface attenuates in response to the intensity of the light and a latent electrostatic image res...

  • Page 24

    41956001th rev.1 24 / oki data confidential 2 the developing blade removes excess toner from the developing roller and a thin layer of remaining toner is formed on the developing roller. 3 the toner is drawn by the latent electrostatic image at the contact portion between the opc drum and the develo...

  • Page 25

    41956001th rev.1 25 / oki data confidential (7) cleaning non-fused, residual toner on the opc drum is scraped with the cleaning blade and collected in the waste toner area of the toner cartridge. Cleaning blade waste toner box (8) cleaning residual toner on the transfer belt is scraped with the clea...

  • Page 26

    41956001th rev.1 26 / oki data confidential 2.4.2 paper running process figure 2.5 shows how paper moves in the c9500/c9300. Figure 2.5 paper route face-down stacker transfer roller backup roller high-voltage power supply heat roller eject roller eject roller low-voltage power supply 4 x led heads 4...

  • Page 27

    41956001th rev.1 27 / oki data confidential (1) paper loading from 1st tray 1. The paper loading motor runs (ccw), the paper loading clutch is engaged and, until the entrance cassette sensor is turned on, paper is advanced (the on/off operations of the paper loading clutch control the pickup roller)...

  • Page 28

    41956001th rev.1 28 / oki data confidential (2) paper loading from option tray 1. The paper loading motor runs (cw), the paper loading clutch is engaged and, until the carrier sensor on a tray which sits atop a loading tray is turned on, paper is advanced. 2. After the paper turns the carrier sensor...

  • Page 29

    41956001th rev.1 29 / oki data confidential (3) paper loading from multipurpose tray (mt) 1. The release lever usually pushes down the hopping plate to a position to turn the micro sw on (figure 2.8-a). 2. The running of the motor in the (a) direction drives the mt feed roller, causing the cam to tu...

  • Page 30

    41956001th rev.1 30 / oki data confidential (4) carrier belt 1. The running of the carrier belt motor in the direction of the arrow (a) drives the carrier belt. The belt unit sits with one carrier roller immediately below each color’s drum, and the carrier belt between them. By the application of a ...

  • Page 31

    41956001th rev.1 31 / oki data confidential (5) driving and up-and-down movements of i/d unit 1. The i/d unit driving and up-and-down movements are effected by a single-pulse motor. The running of the main motor in the direction of the arrow (a) turns the lever 1 to the left. Then, the lever 2 that ...

  • Page 32

    41956001th rev.1 32 / oki data confidential plate pin spring up-and-down sensor board figure 2.10-c figure 2.10-d figure 2.10-e.

  • Page 33

    41956001th rev.1 33 / oki data confidential (6) fuser unit and paper ejection 1. A single-pulse motor drives the fuser unit and the eject rollers. In response to the running of the heat motor in the direction of the arrow (a), the heat roller turns. This roller fuses a toner image to paper by heat a...

  • Page 34

    41956001th rev.1 34 / oki data confidential (7) duplex unit 1. When the duplex unit receives an instruction from the printer to print on both sides of a sheet of paper, the solenoid opens the separator after the completion of one side printing of a sheet of paper sent from the tray. The path is swit...

  • Page 35

    41956001th rev.1 35 / oki data confidential 2.5 sensor 2.5.1 paper related sensors paper eject roller face-down paper eject sensor face-down sensor heat roller c drum stacker full sensor k drum y drum m drum entrance belt sensor mt feed roller pinch roller 2 paper eject sensor carrier sensor backup ...

  • Page 36

    41956001th rev.1 36 / oki data confidential 2.5.2 other sensors 1 paper empty sensor this sensor checks whether the paper cassette is empty. 2 paper near sensor this sensor checks whether the paper cassette is near empty. 3 mbf paper empty sensor this sensor checks whether the front feeder has paper...

  • Page 37

    41956001th rev.1 37 / oki data confidential 2.6 color misalignment correction c9500/c9300, which is equipped with plural led heads, causes color misalignment. The mechanically occurred color misalignment is automatically corrected as follows: (1) color alignment to be corrected 1 color misalignment ...

  • Page 38

    41956001th rev.1 38 / oki data confidential 2.8 paper jam detection c9000 detects paper jams after power-on and during printing. When a paper jam occurs, the printer immediately suspends the printing operation. Opening the cover to remove the jammed paper and closing it resumes the printing. Descrip...

  • Page 39

    41956001th rev.1 39 / oki data confidential 2.9 cover opening when the top cover of the printer is open, the cover open microswitch turns off to cut off those high- voltage power supply and output which are not less than +34v. At the same time, the cpu receives cvopn signals for indicating the statu...

  • Page 40

    41956001th rev.1 40 / oki data confidential 2.10 toner low detection • structure this device consists of the stirring gear which revolves at a constant speed, the stirring bar, and the magnet on the stirring bar. The stirring bar turns in synchronization with the protrusion of the stirring gear. Ton...

  • Page 41

    41956001th rev.1 41 / oki data confidential tnrsns t1 tnrsns t=2.3 t1 t1>1.12 t=2.3 t1 toner full condition (at warming-up,a4 transverse:15ppm *1) toner low condition (at warming-up,a4 transverse:15ppm *1) • when the toner low condition is detected 20 consecutive times, toner low is detected. (the t...

  • Page 42

    41956001th rev.1 42 / oki data confidential 2.11 paper size detection via the cam tied to the paper guide of the paper cassette, the four tab pieces are driven according to the set position of the paper guide. Upon installation of the paper cassette, the microswitch detects the condition of the tab ...

  • Page 43

    41956001th rev.1 43 / oki data confidential 2.12 operation at power-on 2.12.1 self-diagnostic test (1) initial test the following checks are automatically performed at power-on. (a) rom check (b) ram check (c) eeprom check (d) flash rom check (e) mechanical check (f ) option unit check (2) rom check...

  • Page 44

    41956001th rev.1 44 / oki data confidential c m y k c m y k transfer belt id transfer belt color alignment sensor r color alignment sensor l cleaning blade led head belt running direction belt running direction (bottom view) cleaning blade color alignment sensors l and r 2.13 color misalignment dete...

  • Page 45

    41956001th rev.1 45 / oki data confidential unit name i/d (image drum cartridge) toner cartridge belt unit fuser unit feed roller condition the number of drum revolutions is counted, on a letter paper length + continuous-printing paper interval basis. End of life: time when a distance equivalent to ...

  • Page 46

    41956001th rev.1 46 / oki data confidential 3. 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. 3.1 precautions in replacing parts (1) before repla...

  • Page 47

    41956001th rev.1 47 / 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 hig...

  • Page 48

    41956001th rev.1 48 / oki data confidential 3.2 parts layout figure 3.1.

  • Page 49

    41956001th rev.1 49 / oki data confidential figure 3.2 [top cover assy].

  • Page 50

    41956001th rev.1 50 / oki data confidential figure 3.3 [printer unit-1/2].

  • Page 51

    41956001th rev.1 51 / oki data confidential figure 3.4 [printer unit-2/2].

  • Page 52

    41956001th rev.1 52 / oki data confidential figure 3.5 [cassette guide assy (l), (r)].

  • Page 53

    41956001th rev.1 53 / oki data confidential.

  • Page 54

    41956001th rev.1 54 / oki data confidential a b c d e a b c d e figure 3.6 [duplex unit].

  • Page 55

    41956001th rev.1 55 / oki data confidential 3.3 replacing parts this section describes how to replace the parts and assemblies illustrated below. C9500/c9300 41960434, 41960432 print engine controller pwb (3.3.23) 41970801 × 4, 41971201 × 4 led assy (3.3.2) 41863002 power-unit ac-dc switching (115v)...

  • Page 56

    41956001th rev.1 56 / oki data confidential 2 1 1 1 3.3.1 top cover (1) open the top cover assy. (2) unscrew 9 screws 1 to detach the top cover 2 . Figure 3-3-1 top cover.

  • Page 57

    41956001th rev.1 57 / oki data confidential 3.3.2 led head / led assy spring (1) open the top cover 1 . (2) unplug 3 cables, release 2 hooks and remove the led head 2 . (at this time, the 2 springs 3 become detached together with the led head 2 .) note! The contact is used only for 1200 dpi k, y and...

  • Page 58

    41956001th rev.1 58 / oki data confidential 8 4 1 7 6 3 1 5 2 2 3.3.3 top cover unit (1) remove the top cover. (see sec. 3.3.1.) (2) remove the rear cover. (see sec. 3.3.12.) (3) remove the front cover (see sec. 3.3.11.) (4) remove the electrical chassis. (see sec. 3. 3. 22.) (5) unscrew the screws ...

  • Page 59

    41956001th rev.1 59 / oki data confidential 6 5 b 9 8 8 0 a c 7 2 1 4 2 3 3.3.4 control panel assy / control panel bezel / led control pwb / toner sensor / stack full sensor / control panel / control panel tape harness / eject roller (1) remove the control panel bezel 1 . (2) unscrew the screws 2 an...

  • Page 60

    41956001th rev.1 60 / oki data confidential 3 1 1 2 4 4 3.3.5 top cover handle / top cover latch / top cover latch spring (1) unscrew 2 screws 1 and remove the top cover handle 2 and top cover latch 3 . (at this time, 2 top cover latch springs 4 also come off.) figure 3-3-5 top cover handle / top co...

  • Page 61

    41956001th rev.1 61 / oki data confidential 1 1 1 1 2 3.3.6 eject guide assy (1) unscrew 7 screws 1 and remove the eject guide assy 2 . Figure 3-3-6 eject guide assy.

  • Page 62

    41956001th rev.1 62 / oki data confidential 5 4 2 1 5 6 5 3 3.3.7 cassette assy / cover-blind / side cover assy (1) take out the cassette assy 1 . (2) release 2 joints and remove the cover-blind 2 . (3) unscrew 2 screws 3 and remove the stopper 4 . (4) unscrew 5 screws 5 , release the claw at the le...

  • Page 63

    41956001th rev.1 63 / oki data confidential 1 1 1 3.3.8 feed roller (1) take out the cassette. (2) release the latch and remove the feed rollers 1 . Figure 3-3-8 feed roller.

  • Page 64

    41956001th rev.1 64 / oki data confidential 1 1 2 3.3.9 left side cover (1) unscrew 4 screws 1 and remove the left side cover 2 . Figure 3-3-9 left side cover.

  • Page 65

    41956001th rev.1 65 / oki data confidential 1 2 2 3.3.10 face up tray (1) open the face up tray 1 to the arrow direction, release the joints of the links 2 (2 joints each) and then remove the face up tray 1 . Figure 3-3-10 face up tray.

  • Page 66

    41956001th rev.1 66 / oki data confidential 3 3 2 4 3 3 3 1 figure 3-3-11 front cover 3.3.11 front cover (1) open the top cover 1 . (2) release 2 claws at the side cover (r) and remove the blind cover 2 . (3) unscrew 6 screws 3 and remove the front cover 4 ..

  • Page 67

    41956001th rev.1 67 / oki data confidential 1 4 3 2 2 figure 3-3-12 rear cover 3.3.12 rear cover (1) open the top cover 1 . (2) unscrew 6 screws 2 and a screw 3 , and remove the rear cover 4 ..

  • Page 68

    41956001th rev.1 68 / oki data confidential 1 2 3 6 5 6 4 5 engagement engagement 7 3 7 1 3.3.13 multipurpose tray assy / multipurpose tray cover assy / link / multipurpose tray top cover / multipurpose tray drive gear / ohp sensor (1) remove the rear cover (see sec. 3.3.12.) (2) remove the front co...

  • Page 69

    41956001th rev.1 69 / oki data confidential [ohp sensor replacement] (7) figure 3-3-13-1 shows the bottom of the multipurpose tray 4 . First remove the cover 9 (figure 3-3-13-1). The cover 9 with five protrusions can be disengaged by removing them with a screwdriver etc. (8) remove the ohp sensor 0 ...

  • Page 70

    41956001th rev.1 70 / oki data confidential 1 3.3.14 drum contact assy (1) insert a screwdriver between the printer chassis and drum contact assy 1 , and remove the drum contact assy 1 . Figure 3-3-14 drum contact assy.

  • Page 71

    41956001th rev.1 71 / oki data confidential 3.3.15 media thickness sensor assy (1) detach the cover seal sensor 1 and the thickness sensor connector 2 . (2) remove the two screws 3 to demount the media thickness assy. (3) insert a microdriver(-) between the thickness plate assy 4 and thickness senso...

  • Page 72

    41956001th rev.1 72 / oki data confidential 3.3.16 registration roller assy (a) / registration drive gear (a) (1) remove the front cover. (see sec. 3.3.11.) (2) remove the rear cover. (see sec. 3.3.12.) (3) remove the multipurpose tray. (see sec. 3.3.13.) (4) remove the media thickness sensor assy. ...

  • Page 73

    41956001th rev.1 73 / oki data confidential 3.3.17 registration roller assy (b) (1) take out the cassette assy. (2) remove the front cover. (see sec. 3.3.11.) (3) remove the rear cover. (see sec. 3.3.12.) (4) remove the electrical chassis. (see sec. 3. 3. 22.) (5) remove the registration clutch. (se...

  • Page 74

    41956001th rev.1 74 / oki data confidential 7 3 6 4 1 2 6 5 3.3.18 registration clutch / registration motor assy (1) remove the left side cover. (see sec. 3.3.9.) (2) remove the electrical chassis. (see sec. 3. 3. 22.) (3) unplug the connector, take out the e ring 1 and dismount the registration clu...

  • Page 75

    41956001th rev.1 75 / oki data confidential 1 3 2 air direction 3.3.19 id cooling fan (1) unplug the connector 1 , unscrew the screws 2 and remove the id cooling fan 3 . Note! When mounting the fan, pay attention to the mounting direction. Figure 3-3-19 id cooling fan.

  • Page 76

    41956001th rev.1 76 / oki data confidential 1 1 2 3 connectors 3.3.20 color registration sensor assy (1) unscrew 2 screws 1 , unplug 3 connectors and remove the color registration sensor assy 2 . (2) remove the earth plate (b) 3 . Figure 3-3-20 color registration sensor assy.

  • Page 77

    41956001th rev.1 77 / oki data confidential 1 2 2 main chassis (l) figure 3-3-21 duplex guide assy 3.3.21 duplex guide assy (1) release the latch and remove the duplex guide assy 1 . (2) remove the springs 2 ..

  • Page 78

    41956001th rev.1 78 / oki data confidential 2 1 1 1 6 6 6 6 6 4 4 5 9 8 3 7 air direction 3.3.22 electrical chassis / electrical chassis cooling fan (1) unscrew 5 screws 1 and 2 screws 2 , and remove the plate (a) 3 . (2) unscrew 31 screws 4 and remove the shield plate (b) 5 . (3) remove the printer...

  • Page 79

    41956001th rev.1 79 / oki data confidential 1 1 2 3.3.23 print engine controller pwb (1) remove the rear cover. (see sec. 3.3.12.) (2) remove the electrical chassis and electrical chassis cooling fan. (see sec. 3.3.22.) (3) unscrew 5 screws 1 , unplug all the connectors and remove the print engine c...

  • Page 80

    41956001th rev.1 80 / oki data confidential 4 4 4 3 3 4 3 4 5 1 2 3 3 3.3.24 printer unit chassis (1) open the top cover. (2) remove the fuser unit (see section 3.3.38). (3) remove the belt unit (see section 3.3.39). (4) remove the top cover unit (see section 3.3.3). (5) remove the eject guide assy ...

  • Page 81

    41956001th rev.1 81 / oki data confidential 1 main chassis 3.3.25 entrance cassette sensor actuator (1) remove the printer unit chassis. (see sec. 3.3.24.) (2) turn over the main chassis. (3) release 2 clamps with tweezers and remove the entrance cassette sensor actuator 1 . Figure 3-3-25 entrance c...

  • Page 82

    41956001th rev.1 82 / oki data confidential 1 2 figure 3-3-26 entrance sensor pwb 3.3.26 entrance sensor pwb (r71) (1) remove the registration roller assy b. (see sec. 3.3.17.) (2) unscrew 2 screws 1 and remove the entrance sensor pwb 2 ..

  • Page 83

    41956001th rev.1 83 / oki data confidential 2 1 3 3.3.27 entrance mt sensor actuator / entrance belt sensor actuator / entrance waste toner sensor actuator (1) remove the entrance sensor pwb (r71). (see sec. 3.3.26.) (2) release the latch and remove the entrance mt sensor actuator 1 . (3) release th...

  • Page 84

    41956001th rev.1 84 / oki data confidential a 9 9 0 8 8 5 6 1 7 4 3 1 2 b figure 3-3-28 main cooling fan (pull) assy / main cooling fan (push) / fuser eject roller 3.3.28 main cooling fan (pull) assy / main cooling fan (push) / fuser eject roller (1) unscrew 2 screws 1 and remove the main cooling fa...

  • Page 85

    41956001th rev.1 85 / oki data confidential 1 2 3.3.29 eject sensor assy (1) remove the fuser eject roller. (see sec. 3.3.28.) (2) unscrew the screw 1 , unplug the connector and remove the (red/blue) eject sensor assy 2 . Figure 3-3-29 eject sensor assy.

  • Page 86

    41956001th rev.1 86 / oki data confidential 3 1 2 3.3.30 fuser latch handle (l) (1) remove the latch handle spring 1 . (2) unscrew the screw 2 and remove the fuser latch handle (l) 3 . Figure3-3-30 fuser latch handle (l).

  • Page 87

    41956001th rev.1 87 / oki data confidential 2 3 1 1 3.3.31 belt motor assy (1) remove the fuser latch handle (r). (see sec. 3.3.32.) (2) unscrew 2 screws 1 and unplug 2 connectors 2 . (3) remove the belt motor assy 3 . Figure 3-3-31 belt motor assy.

  • Page 88

    41956001th rev.1 88 / oki data confidential 3 1 2 3.3.32 fuser latch handle (r) (1) remove printer unit chassis. (see sec. 3.3.24.) (2) take out the e ring 1 . (3) release the fuser latch handle spring 2 and remove the fuser latch handle (r) 3 . Figure 3-3-32 fuser latch handle (r).

  • Page 89

    41956001th rev.1 89 / oki data confidential 1 2 1 3.3.33 main motor assy (1) remove the belt motor assy. (see sec. 3.3.31.) (2) unplug all the connectors. (3) unscrew 2 screws 1 and remove the main motor assy 2 . Figure 3-3-33 main motor assy.

  • Page 90

    41956001th rev.1 90 / oki data confidential 4 2 1 3 figure 3-3-34 contact assy / side plate assy 3.3.34 contact assy / side plate assy (1) remove the printer unit chassis. (see sec. 3.3.24.) (2) unscrew 4 screws 1 and remove the side plate assy 2 . (3) unscrew the screws 3 and remove the contact ass...

  • Page 91

    41956001th rev.1 91 / oki data confidential 1 3 8 a 2 7 6 5 0 9 0 0 2 2 b figure 3-3-35 low-voltage power unit 3.3.35 low-voltage power unit (1) remove the printer unit chassis. (see sec. 3.3.24.) (2) unplug the connector 1 . (3) unscrew 6 screws 2 and remove low-voltage power unit 5 . (4) unplug th...

  • Page 92

    41956001th rev.1 92 / oki data confidential 2 2 1 3 figure 3-3-36 high-voltage power unit 3.3.36 high-voltage power unit (1) remove the contact assy. (see sec. 3.3.34.) (2) remove the connector of the high-voltage power unit 1 . (3) unscrew 2 screws 2 and remove the high-voltage power unit 1 and hv ...

  • Page 93

    41956001th rev.1 93 / oki data confidential 8 3 3 6 7 5 1 9 0 1 4 2 3.3.37 main feeder assy (1) remove the printer unit chassis. (see sec. 3.3.24.) (2) remove the low-voltage power unit and high-voltage power unit. (see secs. 3.3.35 and 3.3.36.) (3) unscrew 5 screws 1 and remove the lower plate 2 . ...

  • Page 94

    41956001th rev.1 94 / oki data confidential 3.3.38 fuser unit (1) open the top cover 1 . (2) push the left/right fuser levers (blue) 2 to the arrow direction and remove the fuser unit 3 . 3 2 1 figure 3-3-38 fuser unit.

  • Page 95

    41956001th rev.1 95 / oki data confidential 1 2 3 figure 3-3-39 belt unit 3.3.39 belt unit (1) open the top cover 1 . (2) remove the i/d unit. (3) push the lever (blue) 2 to the arrow direction and pull the handle (blue) upward to remove the belt unit 3 ..

  • Page 96

    41956001th rev.1 96 / oki data confidential 1 3 2 5 4 figure 3-3-40 duplex unit 3.3.40 duplex unit (1) pull the lever 2 of the duplex unit 1 to slide out the unit 1 toward the front, and detach the unit 1 by pulling its front upward. (2) turn the lever 3 of the duplex unit 1 toward the front, then p...

  • Page 97

    41956001th rev.1 97 / oki data confidential 1 1 3 5 4 2 3.3.41 cu assy (1) pulling out controller board 1. Undo the two screws 1 . 2. Pull the controller board 2 out. 3. Place the controller board 2 on a flat table. (2) detaching fan 1. Remove the connector 3 . 2. Unscrew 2 screws 4 . 3. Remove the ...

  • Page 98

    41956001th rev.1 98 / oki data confidential 8 c 0 d 9 b 0 h b c e 0 a 0 f a 6 g f 6 7 41964009/41964019 (board assy.-cu[713]) attached screw. (3) demounting tig board 1. Remove 3 screws 6 and screw 7 ,and remove the fan bracket 8 . 2. Remove the screw 9 and 4 screws 0 ,and remove the plate support a...

  • Page 99

    41956001th rev.1 99 / oki data confidential 4. Adjustment this device is adjusted by key input from the operator panel. Other than the general menu, this device supports a maintenance menu. Select the menu that matches your objective. 4.0 system maintenance menu the printer enters this mode when you...

  • Page 100

    41956001th rev.1 100 / oki data confidential 4.0.1 id check pattern printing ( " test print menu " item ) this pattern can be used for the cause investigation (specifying of color(c,m,y,k) of the problem item, the confirmation of the periodicity) of the following problem that it originated in id, th...

  • Page 101

    41956001th rev.1 101 / oki data confidential maintenance menu category maintenance menu item(1st line) eeprom reset save menu save menu setting restore menu return to saved menu setting power save power save function normal paper black setting normal paper color setting ohp paper black setting ohp p...

  • Page 102

    41956001th rev.1 102 / oki data confidential 4.1.2 engine maintenance mode three modes from level 1 to level 3 are in the engine maintenance mode. Level 1 is a mode that checks the media transport and basic movement of the print system. Level 2 checks the counter for consumables and tests the correc...

  • Page 103

    41956001th rev.1 103 / oki data confidential switch scan switch scan 00 1=h 2=l 3=h 4=l 3. The [xx.Xx.Xx] in [disgnostic mode xx.Xx.Xx] that is displayed in the lcd display is the rom version. The set value for factory working mode is displayed in the right side of the bottom line. [shipping] is nor...

  • Page 104

    41956001th rev.1 104 / oki data confidential c toner sensor y toner sensor k toner sensor cover up switch heat/humidity sensor paper empty sensor paper weight sensor ohp sensor entrance mt sensor entrance belt sensor belt waste toner sensor entrance cassette sensor cover right switch hopping sensor ...

  • Page 105

    41956001th rev.1 105 / oki data confidential scan row switch scan 00 switch scan 01 switch scan 02 switch scan 03 switch scan 04 switch scan 05 switch scan 06 switch scan 07 (see t able 4-2) switch scan 08 switch scan 09 switch scan 10 switch scan 1 1 (option) switch scan 12 (option) switch scan 13 ...

  • Page 106

    41956001th rev.1 106 / oki data confidential table 4-2 paper size detection - paper /bit correspondence table no. [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [a] [b] [c] [d] [e] [f] 1 h l h l l l h — h — — — h — — — paper no cassette letter-s legal13-s a4-s b5-s executive-s a6-s not supported legal14-s ...

  • Page 107

    41956001th rev.1 107 / oki data confidential 4.1.2.4 motor clutch test this self-diagnostic routine is used to test the motor and clutch. 1. Press the 1 1 1 1 1 and 5 5 5 5 5 keys until the self-diagnostic (level 1) mode is entered and [motor & clutch test] is displayed in the top line.(key 1 1 1 1 ...

  • Page 108

    41956001th rev.1 108 / oki data confidential resist motor resist clutch id motor (k) id motor (y) id motor (m) id motor (c) belt motor fuser motor job offset motor eject solenoid duplex print solenoid duplex print motor duplex print left clutch sensor shutter solenoid duplex print right clutch casse...

  • Page 109

    41956001th rev.1 109 / oki data confidential displayed unit id motor (black) id motor (yellow) id motor (magenta) id motor (cyan) belt motor fuser motor resist motor job offset motor cassette 1 motor lift up motor resist clutch sensor shutter solenoid eject solenoid feed clutch carrier clutch duplex...

  • Page 110

    41956001th rev.1 110 / oki data confidential 4.1.2.5 test print this self-diagnostic routine is used to print the test patterns in the pu. The other test patterns are stored in the controller. 1. Press the 1 1 1 1 1 and 5 5 5 5 5 keys until the self-diagnostic (level 1) mode is entered and [test pri...

  • Page 111

    41956001th rev.1 111 / oki data confidential 4. Test print will be executed under the values set in steps 2 and 3 by pressing the 3 3 3 3 3 key when [print execute] is displayed in the bottom row of the display. Press the 7 7 7 7 7 key to stop the test print. When an alarm indicated under details in...

  • Page 112

    41956001th rev.1 112 / oki data confidential pattern 5 pattern 6 pattern 7.

  • Page 113

    41956001th rev.1 113 / oki data confidential p: no. Of test print pages (unit: page) u: temperature of top heater [set value] (unit: celsius) l: temperature of bottom heater [set value] (unit: celsius) t: environment temperature (unit: celsius) h: environment humidity (unit: percent) • the display c...

  • Page 114

    41956001th rev.1 114 / oki data confidential 4.1.2.6 nvm initialization this self-diagnosis is used for initializing non-volatile memory. 1. Press the 1 1 1 1 1 and 5 5 5 5 5 keys until the self-diagnostic (level 1) mode is entered and [nv-ram initial] is displayed in the top line. (key 1 1 1 1 1 in...

  • Page 115

    41956001th rev.1 115 / oki data confidential 4.1.2.7 consumable counter display this self-diagnosis is used for displaying the consumed status of consumables. 1. Press the 1 1 1 1 1 and 5 5 5 5 5 keys until the normal self-diagnostic mode is entered and [consumable status] is displayed in the top li...

  • Page 116

    41956001th rev.1 116 / oki data confidential 4.1.2.9 error messages and their details panel display panel display blance error belt life over belt reflection error belt unit fuse cut error black density calib error black density sensor error black drum life over black drum near life black drum unit ...

  • Page 117

    41956001th rev.1 117 / oki data confidential panel display drive motor over heat duplex i/f error duplex type mismatch duplex unit open(px713) engine board fan motor error engine control error engine eeprom error engine eeprom missing engine life over engine ram error engine rom error engine sram er...

  • Page 118

    41956001th rev.1 118 / oki data confidential panel display jam transport job offset home error(px713) led head over heat lift error tray1(px713) lift error tray2(px713) lift error tray3(px713) lift error tray4(px713) lift error tray5(px713) lift up tray1(px713) lift up tray2(px713) lift up tray3(px7...

  • Page 119

    41956001th rev.1 119 / oki data confidential panel display paper near end tray4 paper near end tray5 paper pile out of tray paper size error power supply fan motor error power supply lsi error process control off process wait mode punch box not existing(px713) punch dust overflow(px713) registration...

  • Page 120

    41956001th rev.1 120 / oki data confidential panel display cyan registration out right cyan sensor error left cyan sensor error right cyan toner empty cyan toner low cyan toner sensor error cyan id density error 1 cyan id density error 2 details cyan registration out right cyan sensor error left cya...

  • Page 121

    41956001th rev.1 121 / oki data confidential 4.1.3 various print jobs with single printer unit attached with a controller menu map print prints program version, configuration of the control unit, and other printer configuration and setting. Operation: (press switch) without hdd : “0” → “3” → “3” wit...

  • Page 122

    41956001th rev.1 122 / oki data confidential 4.2 adjustments after parts replacement the following describes the adjustments that are required after replacing parts. Adjustment and correction for color registration are always required for each part replacement. Replaced part led head drum cartridge ...

  • Page 123

    41956001th rev.1 123 / oki data confidential 4.2.3 eeprom replacement after tig board replacement when replacing the tig board, remove eeprom from the board used by the user and set it to the replaced board. (this is to pass on the user set contents and font install data to the new board.) furthermo...

  • Page 124

    41956001th rev.1 124 / oki data confidential 4.2.5 recovery flash rom data on tig board a 4mb flash rom that enables a user to register an arbitrary file is installed on the tig board. Note: when a tig board has to be replaced, print a file list of the information menu and check the registered files...

  • Page 125

    41956001th rev.1 125 / oki data confidential 4.4 paper thickness detection sensitivity adjustment and media thickness detection value check outline: the sensitivity of a micro displacement sensor used for detecting media thickness varies from one to another. Therefore, to ascertain the sensitivity i...

  • Page 126

    41956001th rev.1 126 / oki data confidential inputting the density of the calibration chip for density detection (1) write the calibration target adjustment value (last 2 digits in the barcode, refer to the figure below) indicated on the shutter label. The adjustment value of the shutter must be res...

  • Page 127

    41956001th rev.1 127 / oki data confidential 5. Regular maintenance 5.1 parts replaced regularly it is recommended that the following parts be periodically replaced, as specified, by users (when they are not replaced, print quality is not assumed and printer problems may result). Part name large-cap...

  • Page 128

    41956001th rev.1 128 / oki data confidential 6. Troubleshooting procedures 6.1 precautions before troubleshooting (1) confirm the basic inspection items described in the user manual. (2) obtain as much information regarding the problem from the user as possible. (3) check the printer in a condition ...

  • Page 129

    41956001th rev.1 129 / oki data confidential 6.4 preparing for troubleshooting (1) operator panel display problems that occur with the printer are indicated in the lcd. Apply proper remedies according to the message indicated in the lcd. 6.5 troubleshooting procedure confirm the problem in the follo...

  • Page 130

    41956001th rev.1 130 / oki data confidential 6.5.1 lcd message list when the printer detects a non-recoverable error, the following service call error is displayed in the lcd. Service call nnn: error note: nnn is an error code. When [service call] is displayed, error information that corresponds to ...

  • Page 131

    41956001th rev.1 131 / oki data confidential table 6-1-1 operator alarms (2/6) message cause error description solutions service call 042: error ~ 044: error service call 048: error service call 049: error service call 050: error service call 051: error service call 063: error service call 065: erro...

  • Page 132

    41956001th rev.1 132 / oki data confidential table 6-1-1 operator alarms (3/6) message cause error description solutions service call 105: error service call 106: error service call 107: error service call 110: error ~ 116: error service call 120: error service call 121: error service call 122: erro...

  • Page 133

    41956001th rev.1 133 / oki data confidential table 6-1-1 operator alarms (4/6) message cause error description solutions service call 150: y 151: m 152: c 153: k service call 154: error service call 155: error service call 160: y toner 161: m toner 162: c toner 163: k toner service call 170: error 1...

  • Page 134

    41956001th rev.1 134 / oki data confidential table 6-1-1 operator alarms (5/6) message cause error description solutions close cover 310: top cover open reset fuser 320: fuser error turn power off and wait 321: motor overheat open/close cover 323: paper thickness error open/close cover 324: paper th...

  • Page 135

    41956001th rev.1 135 / oki data confidential table 6-1-1 operator alarms (6/6) message cause error description solutions check duplex 370: paper jam check duplex 371: paper jam check duplex 372: paper jam open front cover 380: paper jam open top cover 381: paper jam open top cover 382: paper jam ope...

  • Page 136

    41956001th rev.1 136 / oki data confidential 6.5.2 preparing for troubleshooting (1) operator panel display problems that are generated in this device are indicated in the lcd. Apply proper measures according to the message displayed in the lcd. Note: when changing the engine board (k7n pwb), remove...

  • Page 137

    41956001th rev.1 137 / oki data confidential 1 the printer does not function properly after power on. • turn the power off then on. • is displayed? (approx. 1 sec.) • no is the ac cable connected properly? No connect the ac cable properly. ▼ • yes is +5v output to the panel connector (optn connector...

  • Page 138

    41956001th rev.1 138 / oki data confidential 2 -1 feed jam (1st tray) • do feed jams occur right after power on? • yes is the jam at the entrance cassette sensor or entrance mt sensor? Yes remove the jammed paper. (a) ▼ • no does the sensor lever (entrance cassette sensor or entrance mt sensor) func...

  • Page 139

    41956001th rev.1 139 / oki data confidential 2 -2 feed jam (multipurpose tray) • do feed jams occur right after power on? • yes is the jam at the entrance cassette sensor or entrance mt sensor? Yes remove the jammed paper. (a) ▼ • no does the sensor lever (entrance mt sensor) function properly? No r...

  • Page 140

    41956001th rev.1 140 / oki data confidential 2 -3 path jam • do path jams occur right after power on? • yes is the jam at the entrance belt sensor? Yes remove the jammed paper. (a) ▼ • no does the light sensor lever function properly? No replace the light sensor lever. ▼ • yes does the belt sensor l...

  • Page 141

    41956001th rev.1 141 / oki data confidential 2 -4 exit jam • do exit jams occur right after power on? • yes is the jam at the paper exit sensor? • yes remove the jammed paper. ▼ • no does the paper exit sensor lever function properly? • no replace the paper exit sensor lever. ▼ • yes does the paper ...

  • Page 142

    41956001th rev.1 142 / oki data confidential 2 -5 duplex jam • do path jams occur right after power on? • yes is there paper in the duplex print unit? Yes remove the jammed paper. (a) ▼ • no do the duplex unit entrance sensor, rear sensor, and sensor lever of the front sensor function properly? No r...

  • Page 143

    41956001th rev.1 143 / oki data confidential 3 paper size error • is paper of regulated size being used? No use paper of regulated size. ▼ • yes is a jam detected by the entrance ff sensor or paper width sensor? Yes remove the jammed paper. ▼ • no is the entrance ff sensor lever functioning properly...

  • Page 144

    41956001th rev.1 144 / oki data confidential 4 up/down movement error of the image drum unit (id) • turn the printer off, then turn it on after a few seconds. • are all id drums rotating properly during print operation? • no is the id motor resistance within the regulated value (approx. 2.4 Ω )? No ...

  • Page 145

    41956001th rev.1 145 / oki data confidential 5 fuser unit error • do fuser errors occur right after power on? (a) • yes is the heat roller thermister disconnected or generating a short circuit? (see fig. 6-1) (approx. 190k-980k Ω in room temperature of 0-43 degrees celsius.) • yes replace the fuser ...

  • Page 146

    41956001th rev.1 146 / oki data confidential 5 motor fan error • does the low-voltage power fan rotate at power on? • no is 34v output to fuse f7 on the engine board (k7n pwb)? • no is 34v output to the power connector on the engine board (k7n pwb)? 34v: pin 12, 13, 14 no check the cable connections...

  • Page 147

    41956001th rev.1 147 / oki data confidential abnormal image flowchart no. The entire image is faint or the color is irregular. (figure 6.2- a ) 1 the white portion is dirty. (figure 6.2- b ) 2 a white page is output. (figure 6.2- c ) 3 streaks or solid lines appear in the vertical direction. 4 (blac...

  • Page 148

    41956001th rev.1 148 / oki data confidential 1 an image is generally faint or the color is irregular. (fig 6-2 a ) • is the amount of toner low? (is [toner low] indicated?) yes refill toner. ▼ • no is regulated paper used? No use regulated paper. ▼ • yes is the led head lens dirty? Yes clean the led...

  • Page 149

    41956001th rev.1 149 / oki data confidential 2 dirty background. (fig. 6-2 b ) • was the image drum exposed to external light for a long time? Yes replace the i/d unit. ▼ • no is the roller in the fuser unit dirty? Yes replace the fuser unit. ▼ • no correct the paper thickness setting. Light: 64 g/m...

  • Page 150

    41956001th rev.1 150 / oki data confidential 3 white page (fig 6-2 c ) • is the led head assembly connected properly to the connection board (y73 pwb) or engine board (k7n pwb)? No connect the cables, connect the led assembly to the connection board (y73 pwb), and engine board properly. ▼ • yes is +...

  • Page 151

    41956001th rev.1 151 / oki data confidential 4 solid lines or streaks appear in the vertical direction. (black lines, color lines / black streaks, color streaks) (fig. 6-2 d ) • is the led head assembly connected properly to the connection board (y73 pwb)? No connect the led head assembly to the con...

  • Page 152

    41956001th rev.1 152 / oki data confidential 5 thick white lines / streaks or blurred color lines / streaks appear in the vertical direction (fig. 6-2 f ) • is the led head dirty? Yes clean the led head. ▼ • no is the led head assembly connected to the connection board (y73 pwb) properly? No connect...

  • Page 153

    41956001th rev.1 153 / oki data confidential 6 poor fusing (ink spreads or peels when touched with fingers) • is regulated paper being used? No use regulated paper. ▼ • yes is the contact of the fuser unit connected properly? No connect the contact of the fuser unit properly. ▼ • yes is the roller i...

  • Page 154

    41956001th rev.1 154 / oki data confidential 7 consistent abnormality (figure 6.2- e ) note: the life counter for the i/d unit, fuser unit, and belt cassette unit is reset automatically when the unit is replaced. Consistency problem remedy 94.2 mm image drum replace the id unit. 63.6 mm developing r...

  • Page 155

    41956001th rev.1 155 / oki data confidential 8 color detaches. • is the led head dirty? Yes clean the led head. ▼ • no is the led head assembly connected to the connection board (y73 pwb) properly? No check the connection cable between the led head and connection board, then connect properly. ▼ • ye...

  • Page 156

    41956001th rev.1 156 / oki data confidential 9 color irregularity • [toner low] is displayed. Yes refill toner. Did the printer recover? Yes end. ▼ • no perform the color irregularity test in the engine maintenance mode. Method: enter the self-diagnostic mode (level 1) in the engine maintenance mode...

  • Page 157

    41956001th rev.1 157 / oki data confidential (a) ▼ • no [ng calibration left /right] display. • yes is the color irregularity sensor cover dirty? Yes: faulty cleaning operation of the rear sensor cover due to the cleaning blade on the rear side of the shutter. Replace the shutter and sensor cover, a...

  • Page 158

    41956001th rev.1 158 / oki data confidential (b) • [yellow/magenta/cyan left/right/horizontal] display ▼ • yes replace the belt unit. Did the printer recover? Yes end. ▼ • no replace the id unit. Did the printer recover? Yes end. ▼ • no is the gear abnormal? (gear assembly such as i/d, multipurpose ...

  • Page 159

    41956001th rev.1 159 / oki data confidential 0 color irregularity compared with the original • is the led head lens dirty? Yes clean the led head lens. ▼ • no is the led head assembly connected to the connection board (y73 pwb) properly? No check the cable between the led assembly and connection boa...

  • Page 160

    41956001th rev.1 160 / oki data confidential a paper thickness error (err code 323, 324) • is the sensor connector connected? No connect the connecter. ▼ • yes is the sensor cable disconnected? No replace the cable. ▼ • yes is +5v output to the pu board reg 13pin? No replace the pu board. ▼ • yes is...

  • Page 161

    41956001th rev.1 161 / oki data confidential figure 6.3 ground charge roller developing roller toner supply roller.

  • Page 162

    41956001th rev.1 162 / oki data confidential 6.6 fuse check when it is occured bellow errors, check these fuses on print engine controller pwb (k7n-pwb). Table 6-6 fuse error fuse name error description insert point f1 f2 f3 f4 f5 f6 f7 f8 f9 2nd or 3rd or 4th or 5th try hopping error mid up/down er...

  • Page 163

    41956001th rev.1 163 / oki data confidential 7. Wiring diagram 7.1 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 164

    41956001th rev.1 164 / 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 165

    41956001th rev.1 165 / oki data confidential yellow orange black brown 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 166

    41956001th rev.1 166 / oki data confidential unit circuit diagram illustration resistance geared motor low-voltage absorption and fuser fan cu low-voltage ejection fuser fan and electrical chassis cooling fan - cn-1 + m cn-2 red black +34 v 1 fanalm-n 3 0 v 2 m white red black +34 v 1 fanalm-n 3 0 v...

  • Page 167

    41956001th rev.1 167 / oki data confidential unit circuit diagram illustration resistance fuser unit exhaust fan id fan red black +5 v 1 3 0 v 2 m white cu board red black +5 v fanalm-n 1 3 0 v 2 m white red black +34 v 1 fanalm-n 3 0 v 2 m white.

  • Page 168

    41956001th rev.1 168 / oki data confidential unit circuit diagram illustration resistance 1 between pins a and b: between pins c and d: 231.4k (at 25 ° c) between pins e and f: 231.4k (at 25 ° c) 2 between pins a and b: between pins c and d: 0 or open between pins e and f: 231.4k (at 25 ° c) fuser u...

  • Page 169

    41956001th rev.1 169 / oki data confidential 7.2 parts layout on boards (1)-1 print engine controller pwb (k7n-3:pwb:600dpi) id geared optn joden tr10p duplex hoplift frpucl psize hvolt power cuif joboff reg bel thet m1200 c1200 mpow cpow k1200 y1200 ypow kpow shutter hopff covopn stducov feed fsens...

  • Page 170

    41956001th rev.1 170 / oki data confidential (1)-2 print engine controller pwb (k7n-4:pwb:1200dpi) id geared optn joden tr10p duplex hoplift frpucl psize hvolt power cuif joboff reg bel thet shutter hopff covopn stducov feed fsens p a r ttemp rsns fan1 pcl f3 f4 f8 f2 f5 f6 f1 f7 f9 eeprom head32 he...

  • Page 171

    41956001th rev.1 171 / oki data confidential (2) main controller pwb: tig puif fa n 3 84 84 1 1 1 85 168 b 85 168 a dimm 84 2 85 168 168 168 84 1 85 3xdimm sockets (sdram dimm (64mb~512mb)) 2xdimm sockets (for program and fonts) 1 85 1 1 84 3 sdram sdmm1 sdmm2 sdmm3 eeprom cent usb 2 3 18 36 1 19 1 ...

  • Page 172

    41956001th rev.1 172 / oki data confidential (3) led control pwb a)(y73-2 pwb:600dpi) power stuck cpow2 mpow2 ypow2 tnrsnsc tnrsnsm tnrsnsy optn kpow2 tnrsnsk pa n e l (4) duplex control pwb (v73- pwb) sns0 main1 sns1 cl1 cl2 m oto r (5) control panel pwb (x7n- pwb) sns0 main1 sns1 cl1 cl2 mo t o r ...

  • Page 173

    41956001th rev.1 173 / oki data confidential (6) n71-pwb joden (7) entrance sensor pwb (r71- pwb) hum wrsns insns1 insns2 tnr fsns (8) paper size sensing pwb (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 174

    41956001th rev.1 174 / oki data confidential (11) tray control pwb (v73-pwb) (12) hight-voltage pwb sns0 main1 main2 sns2 gddc sns1 psz f1 f3 cl1 cl2 mot or cn1 cn2.

  • Page 175

    41956001th rev.1 175 / oki data confidential (13) low-voltage pwb (14) color registration sensor pwb (side l:z7l, side r:z7r) (15) humidity sensor (16) density sensor z7l z7r cn7 cn5 cn8 cn9 cn10 acin cn1 cn4-2 cn4-1 (cn6-2) (cn6-1) cn2 cn3 f1 f2.

  • Page 176

    41956001th rev.1 176 / oki data confidential figure 8-1-1/3 8. Parts list 19 19 19 19 5 15 26 28 30 41 1 2 8 20 14 11 13 23 6 22 7 4 3 9 42 25 24 21 21 21 21 21 21 21 21 21 21 21 17 17 17 17 17 17 19 19 19 19 19 19 19 17 19.

  • Page 177

    41956001th rev.1 177 / oki data confidential figure 8-1-2/3 a b a b c c c 16 c 10 17 17 17 19 19 18 18.

  • Page 178

    41956001th rev.1 178 / oki data confidential 37 26 33 38 32 39 38 31 34 35 36 27 figure 8-1-3/3.

  • Page 179

    41956001th rev.1 179 / 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 2 1 1 1 1 1 1 20 2 24 1 31 1 1 1 1 1 1 1 patrs no. 41481203 41484915 41353701 41277901 41276401 41749602 41277401 41484201 41276501 41484603 41493013 4149...

  • Page 180

    41956001th rev.1 180 / 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. 41963401 41963402 41963403 41963404 41963405 41963406 41963407 41963408 41963409 41963410 41963411 41963412 41963601 41963602 41963603 41963604 41963605...

  • Page 181

    41956001th rev.1 181 / oki data confidential table 8-1-3/3 no. 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 q’ty /unit 1 1 1 1 1 1 1 1 1 1 1 1 1 1 (1) (1) (1) 1 1 2 1 1 1 2 4 1 1 1 patrs no. 41884009 41884019 8164323m0000 42277504 42277508 41437436 41437437 41437438 41437441 41437442 414...

  • Page 182

    41956001th rev.1 182 / oki data confidential figure 8-2 3 3 3 3 3 3 3 3 2 2 2 2 15 21 1 4 17 6 11 19 10 9 8 7 14 5 12 13.

  • Page 183

    41956001th rev.1 183 / oki data confidential table 8-2 no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 q’ty /unit 1 4 4 8 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 19 1 4 4 1 parts no. 41484401 41970801 41971201 42216201 42124802 41960902 41349801 41487106 41487108 42169501 42169502 42169...

  • Page 184

    41956001th rev.1 184 / oki data confidential figure 8-3-1/2 27 11 16 39 4 12 22 37 37 40 1 1 2 49 46 45 47 6 25 26 19 3 9 7 5 10 13 8 42 21 20 48 50 17 18 39 39 39 39 39 39 39 39 23 24.

  • Page 185

    41956001th rev.1 185 / oki data confidential figure 8-3-2/2 37 37 37 33 37 37 37 37 37 37 29 27 28 37 30 37 37 37 34 32 41 43 31 37 36 35 38.

  • Page 186

    41956001th rev.1 186 / oki data confidential table 8-3-1/2 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 33 34 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 2 1 1 1 2 1 1 1 1 parts no. 41189701 41483206 41483301 41628401 41187102 41483406 4...

  • Page 187

    41956001th rev.1 187 / oki data confidential table 8-3-2/2 no. 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 q’ty /unit 1 1 26 1 29 2 1 1 1 1 1 1 1 1 1 parts no. 2381023p0004 41500101 4pb4013-3100p006 psw4-8c 4pb4083-2500p008 41346301 41589501 40197103 41431602 5632001p0001 41886901 41911101 41888...

  • Page 188

    41956001th rev.1 188 / oki data confidential figure 8-4-1/2 9 12 12 12 12 12 12 12 12 12 12 12 8 1 7 7 7 7 9 11 11 11 11 11 11 11 11 10 10 10

  • Page 189

    41956001th rev.1 189 / oki data confidential figure 8-4-2/2 4 3 2 12 2 2 12 12 12 12 12 26 12 12 17 16 15 12 12 5 6 13 13 13 18.

  • Page 190

    41956001th rev.1 190 / oki data confidential table 8-4 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 q’ty /unit 1 3 1 1 1 1 4 1 2 4 27 18 4 2 1 3 1 1 parts no. 41481306 41766501 41488401 41880101 41515701 41503001 41502601 41950401 2201000p0140 4pb4013-3101p006 4pb4013-310...

  • Page 191

    41956001th rev.1 191 / oki data confidential figure 8-5 a b c d e a b c d e 1 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 2 3 3 3 3 3 3 3.

  • Page 192

    41956001th rev.1 192 / oki data confidential table 8-5 no. 1 2 3 4 q’ty /unit 1 1 1 2 21 9 parts no. 41945701 41945703 41945707 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 193

    41956001th rev.1 193 / oki data confidential appendix a interface specifications 1. Parallel interface specifications 1.1 parallel interface item description mode compatibility mode, nibble mode, ecp mode data bit length 8 bits: compatibility mode, 4bits: nibble mode,9 bits: ecp mode 1.2 parallel in...

  • Page 194

    41956001th rev.1 194 / oki data confidential 1.4 timing charts compatible mode a) data receiving timing parallel data (data bits 1 to 8) nstrobe nack busy 0.5 µ s min. 0.5 µ s min. 0.5 µ s min. 0.5 µ s max. 0.5 µ s min. 0 min. 0 min. 0.5 µ s to 3 µ s 0 min. B) on-line (off-line switching timing by o...

  • Page 195

    41956001th rev.1 195 / oki data confidential 1.5 parallel i/f signals table 8-1 shows interface signal names and pin numbers. Table 8-1 signals pin no. Signal name signal direction functions 1 nstrobe (hostclk) → pr pulse for reading data in at trailing edge. 2 data 1 3 data 2 4 data 3 8-bit paralle...

  • Page 196

    41956001th rev.1 196 / oki data confidential 2. Universal serial bus (usb) interface specifications 2.1 usb interface (1) basic specifications conforms to usb specification, revision 1.1. (2) transmission mode full speed (max. 12 mbps + 0.25%) (3) power control self-power device 2.2 usb interface co...

  • Page 197

    41956001th rev.1 197 / oki data confidential appendix b 2nd/3rd tray, hight capacity tray unit 2nd tray 1. Control pwb, paper size sensor pwb. (1) unscrew the five screws 1 to remove the cover-rear-opt 2 . (2) unscrew the four screws 3 to remove the cover-side (l)-opt 4 . (3) unscrew the two screws ...

  • Page 198

    41956001th rev.1 198 / oki data confidential 1 1 2 5 6 3 3 3 4 2. Motor-geared (1) unscrew the five screws 1 to remove the great grip r 2 . (2) remove the six screws 3 to remove the feed unit 4 . (3) remove the three screws 5 to demount the motor-geared 6 ..

  • Page 199

    41956001th rev.1 199 / oki data confidential 1 1 2 3 4 3. Transport clutch (1) remove the motor-geared (see section 2). (2) unscrew the four screws 1 to remove the motor assy 2 . (3) remove the e ring 3 to detach the transport clutch 4 ..

  • Page 200

    41956001th rev.1 200 / oki data confidential 4. Pickup clutch (1) remove the geared motor (see section 2). (2) unscrew the four screws 1 to remove the motor assy 2 . (3) detach the pickup clutch 3 . 1 1 2 3.

  • Page 201

    41956001th rev.1 201 / oki data confidential 5. Roller-feed (1) remove the geared motor (see section 2). (2) unscrew the two screws 1 to remove the feed assy 2 . (3) unscrew the screw 3 , remove the pillar sub 4 , then detach the roller-feed 5 . 1 2 1 3 4 5.

  • Page 202

    41956001th rev.1 202 / oki data confidential 6. Sensor pwb (1) remove the geared motor (see section 2). (2) unscrew the two screws 1 to remove the feed assy 2 . (3) remove the parts in the portion a and then in b and pull out the shaft 3 to remove the portion c. (4) remove the sensor lever 4 to demo...

  • Page 203

    41956001th rev.1 203 / oki data confidential 7. High capacity tray unit (1) remove all the cassettes 1 . (2) unscrew the five screws 2 to remove the cover-rear- pt 3 . (3) unscrew the four screws 4 to remove the cover-side (l)-opt 5 . (4) unscrew the two screws 6 to remove the cover-side (r) sub-opt...

  • Page 204

    41956001th rev.1 204 / oki data confidential high capacity tray unit, 2nd/3rd tray unit (1/3) 28 28 28 20 24 25 1 7 7 7 9 7 23 22 21 19 26.

  • Page 205

    41956001th rev.1 205 / oki data confidential high capacity tray unit, 2nd/3rd tray unit (2/3) 4 6 3 12 12 12 12 12 12 17 27 13 16 15 18 12 5 2 12 2 2 12 12 * * * * * * * * * * not attached to the lowest (thir.

  • Page 206

    41956001th rev.1 206 / 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 q’ty /unit 1 1 3 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 4 parts no. 41949401 41949403 41766501 41488401 41880201 41515701 41503001 41502601 2201000p0140 4pb4013-31...

  • Page 207

    41956001th rev.1 207 / oki data confidential appendix c c7100/7300/9300/9500 series error messages 1. C7100/7300/9300/9500 series (error messages) (caution) * : raise in the factory mode only. ** : not raise in the standard config machines. Led atten blink blink blink blink blink blink blink blink b...

  • Page 208

    41956001th rev.1 208 / oki data confidential led atten blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink lcd messages check belt unit 330:belt unit missing check image drum 340:yellow drum missing check image drum 340:magenta drum missi...

  • Page 209

    41956001th rev.1 209 / oki data confidential led atten blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink lcd messages check duplex 370:paper jam check duplex 371:paper jam check duplex 372:paper jam open front cover 380:paper jam open front cover 3...

  • Page 210

    41956001th rev.1 210 / oki data confidential led atten blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink lcd messages install new toner 410:yellow toner empty install new toner 411:magenta toner empty install new toner 412:cyan toner empty in...

  • Page 211

    41956001th rev.1 211 / oki data confidential led atten blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink lcd messages remove the paper 450:tray1 unsuitable size remove the paper 451:tray2 unsuitable size remove the paper 452:tray3 unsuitable size remove the pa...

  • Page 212

    41956001th rev.1 212 / oki data confidential led atten blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink blink off lcd messages change paper to mmmmmmmmm/ppppppp 465:tray5 media mismatch change paper to mmmmmmmmm/ppppppp 465:tray5 size mismatch (reserved...

  • Page 213

    41956001th rev.1 213 / oki data confidential led atten blink blink blink blink blink blink blink blink blink blink lcd messages check paper cassette 520:tray1 lift up error check paper cassette 521:tray2 lift up error check paper cassette 522:tray3 lift up error check paper cassette 523:tray4 lift u...

  • Page 214

    41956001th rev.1 214 / oki data confidential led atten varies varies varies light light light light light light light light light light lcd messages _ color adjusting _ density adjusting _ media weight detecting _ yellow toner sensor error _ magenta toner sensor error _ cyan toner sensor error _ bla...

  • Page 215

    41956001th rev.1 215 / oki data confidential led atten light light light light light light light light light light light light light light light light light light lcd messages density color sensor error density black calibration error density black sensor error _ yellow image drum smear error _ mage...

  • Page 216

    41956001th rev.1 216 / oki data confidential led atten light light light varies varies lcd messages registration sensor error3 registration sensor error4 registration sensor error5 press online sw could not staple/punch.Too thick paper press online swcould not duplex. Too thick paper err code * * * ...

  • Page 217

    41956001th rev.1 217 / oki data confidential 3. C7100/7300/9300/9500 series (warning messages : related to usage, media) led atten varies light light light light light light light light light light light varies varies varies lcd messages _ ttttt near end _ yellow toner low _ magenta toner low _ cyan...

  • Page 218

    41956001th rev.1 218 / oki data confidential 4. C7100/7300/9300/9500 series (warning messages : job account) led atten varies varies light light light lcd messages file accessing cancelling(user denied) cancelling(buffer full) _ invald id.Job rejected _ log buffer full.Job rejected err code descript...

  • Page 219

    41956001th rev.1 219 / oki data confidential 5. C7100/7300/9300/9500 series (other warning) (caution) * : raise in the factory mode only. Led atten light light light light light off lcd messages disk file system is full disk is write protected disk file operation failed nnn _ job offset home error p...

  • Page 220

    41956001th rev.1 220 / 220 oki data confidential in case of occourrence of disk operation error, error numbers will be displayed according to individual errors as follows: errors general error volume not available disk full file not found no free file descriptors invalid number of bytes file already...