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Oki C7300 Series Maintenance Manual

Manual is about: Macintosh

Summary of C7300 Series

  • Page 1

    Oki data confidential name c7550/c7350,c7500/c7300 color led page printer maintenance manual [041124a] no.01 41955801th c7550/c7350,c7500/c7300 (oda/oel/int) maintenance manual 1 174 2004-04-23 akio kikuchi tomoyo sugiyama 41955801tl c7550/c7350,c7500/c7300 disassembly for maintenance 41955801tr c75...

  • Page 2

    41955801th rev.8 2 / oki data confidential 1 2002-10-23 2 2002-11-29 np11 haruyama 3 2003-06-06 7 158 part no. Of the control panel bezel me4 ueda 4 2003-07-14 add cu(ve version) cn11 yamanaka 5 2003-12-19 add pu(ve version) np32 ishizuka 6 2004-01-26 21,159 partial change cn11 yamanaka 7 2004-03-05...

  • Page 3: Preface

    41955801th rev.8 3 / oki data confidential preface this manual describes the procedures of the maintenance of the c7550/c7350,c7500/c7300 of printers. The document is produced for maintenance personnel use. For details on the procedures for handling the c7550/c7350,c7500/c7300 of printers, see its u...

  • Page 4: Contents

    41955801th rev.8 4 / oki data confidential contents 1. Configurations ......................................................................................... 7 1.1 system configuration ....................................................................................................... 7 1.2 pri...

  • Page 5

    41955801th rev.8 5 / oki data confidential 2.3.44 duplex unit ....................................................................................................... 65 2.3.45 guide rails (l) and (r) ..................................................................................... 66 2.3.46 dupl...

  • Page 6

    41955801th rev.8 6 / oki data confidential 5.5 troubleshooting procedure .......................................................................................... 108 5.5.1 lcd message list ........................................................................................... 109 5.5.2 prepari...

  • Page 7

    41955801th rev.8 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 duplex unit belt unit thermistors> paper size sensor (4 bits) paper empty se...

  • Page 8

    41955801th rev.8 8 / oki data confidential 1.2 printer configuration the inside of the printers 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 the pri...

  • Page 9

    41955801th rev.8 9 / oki data confidential 1.3 option configuration the followings are available as options on the c7550/c7350,c7500/c7300 of printers. (1) 2nd tray/ 3rd tray (2) duplex unit (3) expansion memory 64/128/256/512 mb (4) internal hard disk (5) ethernet board note: don’t use one for c920...

  • Page 10

    41955801th rev.8 10 / oki data confidential 1.4 specifications (1) external dimensions height: 430mm width: 430mm length: 620mm (2) weight 42 kg (3) papers type: ordinary paper, transparencies (recommended: mlohp01) size: postal card, legal 13" or 14", executive, a4, a5, b5, a6 (only the 1st tray an...

  • Page 11

    41955801th rev.8 11 / oki data confidential (12) temperatures and relative humidities temperature temperature condition temperature( f) temperature( c) remark operation 50 to 89.6 10 to 32 17 to 27 c (temperatures to assure full color print quality) non-operation 32 to 109.4 0 to 43 power-off storag...

  • Page 12

    41955801th rev.8 12 / oki data confidential (2) do not disassemble the printer so long as it operates properly. (3) minimize the disassembly. Do not detach parts other than those shown in the replacing procedure. (4) for maintenance, use designated tools. (5) follow the order instructed to disassemb...

  • Page 13

    41955801th rev.8 13 / oki data confidential [maintenance tools] table 2-1 lists tools necessary to replace the printed circuit boards and the units. Table 2-1 maintenance tools 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, mag...

  • Page 14

    41955801th rev.8 14 / oki data confidential 2.2 parts layout figure 2-1 a a b b a a b.

  • Page 15

    41955801th rev.8 15 / oki data confidential [top cover assy] figure 2-2 for 1200dpi for 600dpi.

  • Page 16

    41955801th rev.8 16 / oki data confidential [printer unit-1/2] figure 2-3 a a.

  • Page 17

    41955801th rev.8 17 / oki data confidential [printer unit-2/2] figure 2-4.

  • Page 18

    41955801th rev.8 18 / oki data confidential [cassette guide assy (l),(r)] figure 2-5 a b b a c c’ c c’.

  • Page 19

    41955801th rev.8 19 / oki data confidential [duplex unit] a b d c a b c d e e f g g f figure 2-6.

  • Page 20

    41955801th rev.8 20 / oki data confidential 2.3 replacing parts this section describes how to replace the parts and assemblies shown in the following disassem- bling system diagram. C7550 /c7350, c7500 /c7300 print engine controller pwb (2.3.24) x 4 led assy (2.3.2) low voltage power supply (2.3.37)...

  • Page 21

    41955801th rev.8 21 / oki data confidential a cu board assy or tig_assy(old version) or hme(new version) 41286901 plate shield 41278601 × 2 guide_rail (a) 41278701 guide_rail (b) 41410201 motor-fan 60x60x15 41723901 × 4 screw pb4013-3100p006 x9 cup screw (s tight m3) p3-6g × 2 screw (round head) pb4...

  • Page 22

    41955801th rev.8 22 / 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 . Figure 2-3-1 top cover.

  • Page 23

    41955801th rev.8 23 / oki data confidential 1 3 4 3 4 2 2.3.2 led head / led spring / post-guide (1) open the top cover 1 . (2) remove the three cables, and unhook the led head 2 at two places to demount it (the two springs 3 , post-guide 4 become detached together with the led head 2 ). Figure 2-3-...

  • Page 24

    41955801th rev.8 24 / oki data confidential 2.3.3 top cover unit (1) remove the top cover (see section 2.3.1). (2) remove the rear cover (see section 2.3.10). (3) remove the left side cover (see section 2.3.12). (4) remove the right side cover (see section 2.3.13). (5) remove the shield plates a and...

  • Page 25

    41955801th rev.8 25 / oki data confidential 9 b 3 3 7 6 a 5 1 0 0 4 2 8 2.3.4 control panel assy/ control panel bezel/ led control pwb/ toner sensors/ stacker full sensor/ control panel/ control panel tape harness/ eject rollers (1) remove the control panel assy 1 . (2) detach the control panel tape...

  • Page 26

    41955801th rev.8 26 / oki data confidential 3 1 1 2 4 4 2.3.5 top cover handle/ top 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 (at the same time, the two top cover latch springs 4 become detached). Figure 2-3-5...

  • Page 27

    41955801th rev.8 27 / oki data confidential 1 1 1 2 2.3.6 eject guide assy (1) remove the five screws 1 to detach the eject guide assy 2 . Figure 2-3-6 eject guide assy.

  • Page 28

    41955801th rev.8 28 / oki data confidential 1 2 3 2.3.7 cassette assy/ front cover assy/ front cover inner baffle (1) detach the cassette assy 1 . (2) open the front cover 2 , and disengage it at two places to detach it. (3) detach the front cover inner baffle 3 . Figure 2-3-7 cassette assy/ front c...

  • Page 29

    41955801th rev.8 29 / oki data confidential 1 3 2 2.3.8 retard pad assy/ retard pad assy spring (1) remove the cassette 1 . (2) detach the retard pad assy 2 (at the same time, the spring 3 becomes detached). Figure 2-3-8 retard pad assy/ retard pad assy spring.

  • Page 30

    41955801th rev.8 30 / oki data confidential 1 2 2.3.9 feed roller and nudger roller (1) remove the cassette. (2) unlatch and demount the feed roller 1 . (3) unlatch and demount the nudger roller 2 . Figure 2-3-9 feed roller and nudger roller.

  • Page 31

    41955801th rev.8 31 / oki data confidential 2 1 3 1 1 2.3.10 rear cover (1) remove the left side cover (see section 2.3.12). (2) remove the four screws 1 to detach the rear cover 2 . Note! When attaching the rear cover, take care not to allow the spring 3 to get caught in parts. Figure 2-3-10 rear c...

  • Page 32

    41955801th rev.8 32 / oki data confidential 1 2.3.11 face-up tray (1) open the face-up tray 1 in the arrow direction, and disengage it at two places to detach it. Figure 2-3-11 face-up tray.

  • Page 33

    41955801th rev.8 33 / oki data confidential 4 4 1 4 5 3 2 2.3.12 left side cover (1) open the top cover 1 . (2) open the front cover 2 and undo the screw 3 . (3) remove the three screws 4 to detach the left side cover 5 . Figure 2-3-12 left side cover.

  • Page 34

    41955801th rev.8 34 / oki data confidential 1 2 3 5 4 4 2.3.13 right side cover (1) open the top cover 1 . (2) open the front cover 2 and undo the screw 3 . (2) remove the four screws 4 to detach the right side cover 5 . Figure 2-3-13 right side cover.

  • Page 35

    41955801th rev.8 35 / oki data confidential 2.3.14 multipurpose tray assy/ multipurpose tray cover assy/ links/ multipurpose tray top cover/ multipurpose tray drive gear (1) remove the left side cover (see section 2.3.12). (2) remove the right side cover (see section 2.3.13). (3) detach the cover se...

  • Page 36

    41955801th rev.8 36 / oki data confidential 1 2.3.15 drum contact assys (1) insert a flatblade screwdriver between the printer case and the drum contact assy 1 to demount the drum contact assy 1 . Figure 2-3-15 drum contact assys.

  • Page 37

    41955801th rev.8 37 / oki data confidential 2.3.16 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 38

    41955801th rev.8 38 / oki data confidential stage height adjustment jig top surface top surface stage height adjustment jig 1 3 3 4 6 5 1 2 2.3.17 registration roller assy (a)/ registration drive gear (a) (1) remove the left side cover (see section 2.3.12). (2) remove the right side cover (see secti...

  • Page 39

    41955801th rev.8 39 / oki data confidential 1 2 1 1 figure 2-3-18 registration roller assy (b) 2.3.18 registration roller assy (b) (1) remove the cassette assy. (2) open the front cover. (3) remove the right side cover (see section 2.3.13). (4) remove the left plate assy (see section 2.3.23). (5) re...

  • Page 40

    41955801th rev.8 40 / oki data confidential 6 2 5 2 1 4 5 3 figure 2-3-19 registration clutch and registration motor assy 2.3.19 registration clutch and registration motor assy (1) remove the left side cover (see section 2.3.12). (2) remove the left plate assy (see section 2.3.23). (3) remove the co...

  • Page 41

    41955801th rev.8 41 / oki data confidential 1 3 2 outlet figure 2-3-20 main cooling fan 2.3.20 main cooling fan (1) unhook the connector 1 , and remove the screw 2 and the cooling fan 3 . Note! When attaching the cooling fan, observe its correct orientation..

  • Page 42

    41955801th rev.8 42 / oki data confidential 1 1 2 3 connectors figure 2-3-21 color registration sensor assy 2.3.21 color registration sensor assy (1) remove the two screws 1 and the two connectors to demount the color registration sensor assy 2 . (2) remove the earth plate b 3 ..

  • Page 43

    41955801th rev.8 43 / oki data confidential 1 main chassis (rear) 2.3.22 duplex guide assy (1) unlatch and demount the duplex guide 1 . Figure 2-3-22 duplex guide assy.

  • Page 44

    41955801th rev.8 44 / oki data confidential outlet 1 2 1 5 5 5 5 3 3 4 6 8 7 2.3.23 electrical chassis cooling fan (1) unscrew the four screws 1 to remove the plate a 2 . (2) unscrew the thirty-four screws 3 to remove the shield plate b 4 . (3) remove the printer engine controller pwb (see section 2...

  • Page 45

    41955801th rev.8 45 / oki data confidential 1 1 2 figure 2-3-24 printer engine controller pwb 2.3.24 printer engine controller pwb (1) remove the right side cover (see section 2.3.13). (2) remove the left plate assy (see section 2.3.23). (3) remove the five screws 1 and all the connectors to demount...

  • Page 46

    41955801th rev.8 46 / oki data confidential 1 2 4 3 5 4 4 4 8 8 9 3 4 6 6 7 3 3 figure 2-3-25 pinter unit chassis 2.3.25 printer unit chassis (1) unscrew the two screws 1 and remove the ac inlet 2 . (2) unscrew the four black screws 3 and six screws 4 to detach the printer unit chassis 5 . (3) unscr...

  • Page 47

    41955801th rev.8 47 / oki data confidential 1 main chassis figure 2-3-26 entrance cassette sensor actuator 2.3.26 entrance cassette sensor actuator (1) remove the printer unit chassis (see section 2.3.25). (2) turn over the main chassis. (3) remove the two clamps with tweezers to demount the entranc...

  • Page 48

    41955801th rev.8 48 / oki data confidential 1 2 figure 2-3-27 entrance sensor pwb 2.3.27 entrance sensor pwb (1) remove the registration roller assy (b) (see section 2.3.18). (2) remove the two screws 1 to demount the entrance sensor pwb 2 ..

  • Page 49

    41955801th rev.8 49 / oki data confidential 2 1 3 2.3.28 entrance mt sensor actuator / entrance belt sensor actuator / entrance waste chassis sensor actuator (1) remove the entrance sensor pwb (r71) (see section 2.3.27). (2) unlatch and detach the entrance mt sensor actuator 1 . (3) unlatch and deta...

  • Page 50

    41955801th rev.8 50 / oki data confidential b a 7 8 9 0 6 1 2 4 3 5 2.3.29 fuser exit roller (1) unscrew the two screws 1 to remove the duplex gate solenoid assy 2 . (2) unscrew the screw 3 to remove the fuser exit roller contact 4 . (3) remove the fuser drive gear -a 5 and fuser drive gear -a 6 . (...

  • Page 51

    41955801th rev.8 51 / oki data confidential 1 2 2.3.30 exit sensor assy (1) remove the fuser exit roller (see section 2.3.29). (2) remove the screw 1 and connector to demount the (red and blue) exit sensor assy 2 . Figure 2-3-30 exit sensor assy.

  • Page 52

    41955801th rev.8 52 / oki data confidential 3 1 2 2.3.31 fuser latching handle (l) (1) remove the latching handle spring 1 . (2) unscrew the screw 2 to detach the fuser latching handle (l) 3 . Figure 2-3-31 fuser latching handle (l).

  • Page 53

    41955801th rev.8 53 / oki data confidential 2 1 3 1 2.3.32 belt motor assy (1) remove the fuser latching handle (r) (see section 2.3.33). (2) remove the two screws 1 to detach the two connectors 2 . (3) demount the belt motor assy 3 . Figure 2-3-32 belt motor assy.

  • Page 54

    41955801th rev.8 54 / oki data confidential 3 1 2 2.3.33 fuser latching handle (r) (1) remove the printer unit chassis (see section 2.3.25). (2) remove the e ring 1 . (3) remove the fuser latching handle spring 2 to detach the fuser latching handle (r) 3 . Figure 2-3-33 fuser latching handle (r).

  • Page 55

    41955801th rev.8 55 / oki data confidential 1 2 1 1 2.3.34 main motor assy (1) remove the belt motor assy (see section 2.3.32). (2) remove all the connectors. (3) remove the four screws 1 to demount the main motor assy 2 . Figure 2-3-34 main motor assy.

  • Page 56

    41955801th rev.8 56 / oki data confidential 1 1 2 5 3 4 6 2.3.35 main feeder drive motor (1) remove the two screws 1 to detach the main feeder drive motor 2 . (2) unscrew the screw 3 to remove the main feeder drive motor bracket 4 . (3) remove the main feeder drive motor gears a 5 and b 6 . Figure 2...

  • Page 57

    41955801th rev.8 57 / oki data confidential 4 3 2 1 1 2.3.36 contact assy/ left plate assy (1) remove the printer unit chassis (see section 2.3.25). (2) remove the four screws 1 to detach the left plate assy 2 . (3) remove the screw 3 to detach the contact assy 4 . Figure 2-3-36 contact assy/ left p...

  • Page 58

    41955801th rev.8 58 / oki data confidential 4 1 4 2 5 4 3 2.3.37 low voltage power supply (1) remove the printer unit chassis (see section 2.3.25). (2) unhook the connector 1 . (3) unscrew the screw 2 to remove the earth cable 3 . (4) unscrew the six screws 4 to demount the low voltage power supply ...

  • Page 59

    41955801th rev.8 59 / oki data confidential 2 2 1 3 2.3.38 high voltage power supply (1) remove the contact assy (see section 2.3.36). (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 . Figure 2...

  • Page 60

    41955801th rev.8 60 / oki data confidential 1 1 1 1 2 3 3 5 4 2.3.39 main feed assy (1) remove the printer unit chassis (see section 2.3.25). (2) remove the low voltage power supply and high voltage power supply (see sections 2.3.37 and 2.3.38). (3) unscrew the five screws 1 to remove the lower plat...

  • Page 61

    41955801th rev.8 61 / oki data confidential 1 1 8 8 0 9 3 6 7 4 5 2 2.3.40 cassette/ left guide assy (1) remove the printer unit chassis (see section 2.3.25). (2) remove the main feed assy (see section 2.3.39). (3) remove the three screws 1 to detach the left cassette guide assy 2 . At the same time...

  • Page 62

    41955801th rev.8 62 / oki data confidential 1 h g 0 b a 3 a f e 6 7 2 4 5 9 8 1 c d 2.3.41 cassette/ right guide assy (1) remove the printer unit chassis (see section 2.3.25). (2) remove the main feed assy (see section 2.3.39). (3) remove the five screws 1 to detach the right cassette guide assy 2 ....

  • Page 63

    41955801th rev.8 63 / oki data confidential 3 1 2 2 2.3.42 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 . Figure 2-3-42 fuser unit.

  • Page 64

    41955801th rev.8 64 / oki data confidential 1 2 4 3 2.3.43 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) 3 and detach the belt unit 4 . Figure 2-3-43 belt unit.

  • Page 65

    41955801th rev.8 65 / oki data confidential 1 latch latch 2.3.44 duplex unit (1) remove the cassette assy, the front cover assy and the front cover inner baffle. (2) unlatch the rear at the right and left, and pull the duplex unit 1 toward the front. Figure 2-3-44 duplex unit.

  • Page 66

    41955801th rev.8 66 / oki data confidential 1 1 3 2 1 1 2.3.45 guide rails (l) and (r) (1) remove the duplex unit (see section 2.3.44). (2) remove the six screws 1 to detach the guide rails (l) 2 and (r) 3 . Figure 2-3-45 guide rail (l), (r).

  • Page 67

    41955801th rev.8 67 / oki data confidential 2.3.46 duplex transport assembly (1) turn over the duplex transport assy. (2) unscrew the three screws 1 and five screws 2 to detach the plate 3 . (3) unplug the connector and detach the mold assy 4 . (4) detach the two actuators 5 . (5) unscrew the screws...

  • Page 68

    41955801th rev.8 68 / oki data confidential a b d c a b c d e e f g g f duplex transport sensor × 2 2 3 2 2 v 4 f d e l m n k j y z t s a f 5 g c b ] \ [ 5 x 9 8 6 7 v u w e _ q i p o 0 a b c h g r d 1 idle roller spring duplex transfer assy cord duplex connector assy idle roller × 8 idle roller sha...

  • Page 69

    41955801th rev.8 69 / oki data confidential 2.3.47 cu assy cu assy confirmation subject. [cu main board] there are two kinds of cu main boards of c7550/c7350,c7500/c7300. Old version : tig-3 new version : hme rom dimm and eeprom of each board cannot be used with the board of another side. Combinatio...

  • Page 70

    41955801th rev.8 70 / oki data confidential 1 1 3 5 4 2 cu assy disassembly pracedures (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. Remove the two scre...

  • Page 71

    41955801th rev.8 71 / oki data confidential 8 c 0 d 9 b 0 h b c e 0 a 0 f a 6 g f 6 7 (3) demounting cu 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 support a and the guide rail a b . 3. Remove the two screws...

  • Page 72

    41955801th rev.8 72 / oki data confidential 3. 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. 3.0 system maintenance menu the printer enters this mode when you...

  • Page 73

    41955801th rev.8 73 / oki data confidential table 3-0 (2/2) maintenance menu display table item(1st line) value(2nd line) functions the details depend on network. ( not used ) enters engine self-diagnostic mode. The display in place of xx.Xx varies among the pu version. (the disply within this categ...

  • Page 74

    41955801th rev.8 74 / 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 pa...

  • Page 75

    41955801th rev.8 75 / oki data confidential 3.1.2 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 correct...

  • Page 76

    41955801th rev.8 76 / oki data confidential 2. Press the 2 2 2 2 2 and 6 6 6 6 6 keys until the scan number that corresponds to the unit subject to the following test listed in table 3-1. (key 2 2 2 2 2 increments the item and key 6 6 6 6 6 decrements the item.) 3. The test starts by pressing the 3 ...

  • Page 77

    41955801th rev.8 77 / oki data confidential paper empty sensor ohp sensor heat/humidity sensor cover up switch paper weight sensor duplex print rear sensor k toner sensor y toner sensor m toner sensor c toner sensor top fuser sensor bottom fuser sensor stacker full sensor paper eject sensor color ir...

  • Page 78

    41955801th rev.8 78 / 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 79

    41955801th rev.8 79 / oki data confidential table 3-2 paper size detection - paper /bit correspondence table 2 h l l l l l l — l — — — l — — — 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 not supported not supported not sup...

  • Page 80

    41955801th rev.8 80 / oki data confidential 3.1.2.4 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 1...

  • Page 81

    41955801th rev.8 81 / oki data confidential id motor (k) resist motor resist clutch cassette 1 hopping motor cassette 2 clutch cassette 2 motor cassette 3 clutch cassette 3 motor id motor (y) id motor (m) id motor (c) belt motor fuser motor eject solenoid duplex print motor sensor shutter solenoid f...

  • Page 82

    41955801th rev.8 82 / oki data confidential 3.1.2.5 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 prin...

  • Page 83

    41955801th rev.8 83 / 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 84

    41955801th rev.8 84 / oki data confidential pattern 5 pattern 6 pattern 7.

  • Page 85

    41955801th rev.8 85 / 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 ch...

  • Page 86

    41955801th rev.8 86 / oki data confidential 3.1.2.6 initializing nvm 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 incre...

  • Page 87

    41955801th rev.8 87 / oki data confidential 3.1.2.7 displaying the consumables counter 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...

  • Page 88

    41955801th rev.8 88 / oki data confidential 3.1.2.9 panel display 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 fuse cut err...

  • Page 89

    41955801th rev.8 89 / 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 err...

  • Page 90

    41955801th rev.8 90 / 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(px71...

  • Page 91

    41955801th rev.8 91 / 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 92

    41955801th rev.8 92 / 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 cyan...

  • Page 93

    41955801th rev.8 93 / oki data confidential 3.1.3 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” with...

  • Page 94

    41955801th rev.8 94 / oki data confidential 3.2 adjustment after replacing parts the following describes the adjustments that are required after each part replacement. Adjustment and correction of color registration are always required for each part replacement. Replaced part led head drum cartridge...

  • Page 95

    41955801th rev.8 95 / oki data confidential 3.2.3 replacing eeprom after replacing the cu board when replacing the cu 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.) furthermore,...

  • Page 96

    41955801th rev.8 96 / oki data confidential 3.2.5 recovery flash rom data on cu board a 4mb flash rom that enables a user to register an arbitrary file is installed on the cu board. When a cu board has to be replaced, print a file list of the information menu and check the registered files before re...

  • Page 97

    41955801th rev.8 97 / oki data confidential 3.4 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 in...

  • Page 98

    41955801th rev.8 98 / oki data confidential 3.4.2 setting 3.4.2.1 menu setting (1) power on the pc. (2) create an arbitrary folder, and copy the two files adjustmm.Exe and opusbacc.Dll into it (refer to the screen that is an example when the folder c:\mediathickness has been created). Perform steps ...

  • Page 99

    41955801th rev.8 99 / oki data confidential (7) setting screen appears. Select (mark) lpt1 or usb on the printer port menu. Press ok. Note: do not change settings other than those instructed here. (8) the screen returns to the adjust munsell & media screen. Press media..

  • Page 100

    41955801th rev.8 100 / oki data confidential 3.4.2.2 media setting (1) the media thickness input screen is displayed. Prepare four sensitivity adjustment transparency sheets (42404301) and enter the thicknesses with which the transparency sheets are labeled. Four sensitivity adjustment transparency ...

  • Page 101

    41955801th rev.8 101 / oki data confidential 3.4.2.3 sensitivity adjustment (1) with the press of ok on the adjustmm screen, sensitivity adjustment is performed. The printer boots up, and four sheets of media are passed through it. (2) when the sensitivity adjustment is completed properly, the adjus...

  • Page 102

    41955801th rev.8 102 / oki data confidential 3.4.2.4 actions for ng sensitivity adjustment when a csv format file stored automatically in sensitivity adjustment is opened, the opened file contains the following. The yellow-shaded area shows errors. For error code-to-description correspondence, see t...

  • Page 103

    41955801th rev.8 103 / oki data confidential 3.4.3 inputting the density of the calibration chip for density detection 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 r...

  • Page 104

    41955801th rev.8 104 / oki data confidential (12) enter the correction value marked on the barcode label on the shutter into the input field and press ok (the munsell sheet correction value is sent from the pc to the printer and set). (13) when the density adjustment is completed properly, the adjus...

  • Page 105

    41955801th rev.8 105 / oki data confidential 3.4.4 electronic serial number input [outline] the 22-character electronic serial number (e-s/n) that has been marked on each printer’s nameplate is to be entered. [case that requires electronic serial number input] the eeprom mounted on the pu board of a...

  • Page 106

    41955801th rev.8 106 / oki data confidential 4. Regular maintenance 4.1 parts replaced regularly users are recommended to replace parts periodically according to the table below. (print quality cannot be assured and damages may occur, when the parts are not replaced.) part name large toner cartridge...

  • Page 107

    41955801th rev.8 107 / oki data confidential 5. Troubleshooting procedures 5.1 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 108

    41955801th rev.8 108 / oki data confidential 5.4 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. 5.5 troubleshooting procedure confirm the problem in the follo...

  • Page 109

    41955801th rev.8 109 / oki data confidential 5.5.1 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 110

    41955801th rev.8 110 / oki data confidential table 5-1-1 operator alarm (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: error...

  • Page 111

    41955801th rev.8 111 / oki data confidential table 5-1-1 operator alarm (3/6) message cause error description solutions service call 110: error ~ 116: error 110: envelope feeder 111: duplex unit 112: 2nd tray 113: 3rd tray 114: 4th tray 115: 5th tray 116: finisher service call 120: error service cal...

  • Page 112

    41955801th rev.8 112 / oki data confidential table 5-1-1 operator alarm (4/6) message cause error description solutions service call 160: y toner 161: m toner 162: c toner 163: k toner service call 170: error 171: error 174: error 175: error service call 172: error 176: error service call 173: error...

  • Page 113

    41955801th rev.8 113 / oki data confidential table 5-1-1 operator alarm (5/6) message cause error description solutions reset belt 330: belt error reset drum 330~343: drum error set new drum 350: yellow drum life 351: magenta drum life 352: cyan drum life 353: black drum life set new fuser 354: fuse...

  • Page 114

    41955801th rev.8 114 / oki data confidential table 5-1-1 operator alarm (6/6) message cause error description solutions open top cover 389: paper jam check mp tray 390: paper jam check tray * 391~395: paper jam open top cover 400: paper size error refill toner 410: yellow 411: magenta 412: cyan 413:...

  • Page 115

    41955801th rev.8 115 / oki data confidential 5.5.2 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/k7v pwb), re...

  • Page 116

    41955801th rev.8 116 / 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 117

    41955801th rev.8 117 / 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 118

    41955801th rev.8 118 / 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 119

    41955801th rev.8 119 / 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 120

    41955801th rev.8 120 / 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 121

    41955801th rev.8 121 / 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 122

    41955801th rev.8 122 / 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 123

    41955801th rev.8 123 / 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. 8.6 Ω )? No ...

  • Page 124

    41955801th rev.8 124 / 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. 5-1) (approx. 190k-980k Ω in room temperature of 0-43 degrees celsius.) • yes replace the fuser ...

  • Page 125

    41955801th rev.8 125 / oki data confidential 6 motor fan error • does the low-voltage power fan rotate at power on? • no is 34v being output to the fuse f7 of the engine board k7n, or to the fuse f3 of the engine board k7v? • no is 34v output to the power connector on the engine board (k7n/k7v pwb)?...

  • Page 126

    41955801th rev.8 126 / oki data confidential abnormal image flowchart no. The entire image is faint or the color is irregular. (figure 5.2- a ) 1 the white portion is dirty. (figure 5.2- b ) 2 a white page is output. (figure 5.2- c ) 3 streaks or solid lines appear in the vertical direction. 4 (blac...

  • Page 127

    41955801th rev.8 127 / oki data confidential 1 an image is generally faint or the color is irregular. (fig 5-2 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 128

    41955801th rev.8 128 / oki data confidential 2 dirty background. (fig. 5-2 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 129

    41955801th rev.8 129 / oki data confidential 3 white page (fig 5-2 c ) • is the led head assembly connected properly to the connection board (y73 pwb) or engine board (k7n/k7v pwb)? No connect the cables, connect the led assembly to the connection board (y73 pwb), and engine board properly. ▼ • yes ...

  • Page 130

    41955801th rev.8 130 / oki data confidential 4 solid lines or streaks appear in the vertical direction. (black lines, color lines / black streaks, color streaks) (fig. 5-2 d ) • is the led head assembly connected properly to the connection board (y73 pwb)? No connect the led head assembly to the con...

  • Page 131

    41955801th rev.8 131 / oki data confidential 5 thick white lines / streaks or blurred color lines / streaks appear in the vertical direction (fig. 5-2 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 132

    41955801th rev.8 132 / 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 ...

  • Page 133

    41955801th rev.8 133 / oki data confidential 7 consistent abnormality (figure 5.2- 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 134

    41955801th rev.8 134 / 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 135

    41955801th rev.8 135 / 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 136

    41955801th rev.8 136 / 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 137

    41955801th rev.8 137 / 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 138

    41955801th rev.8 138 / 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 139

    41955801th rev.8 139 / 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 140

    41955801th rev.8 140 / oki data confidential figure 5.3 ground charge roller developing roller toner supply roller.

  • Page 141

    41955801th rev.8 141 / oki data confidential 5.6 fuse check when it is occured bellow errors, check these fuses on print engine controller pwb. Table 5-6 fuse error (k7n pwb) fuse name error description insert point f1 f2 f3 f4 f5 f6 f7 f8 2nd or 3rd try hopping error mid up/down error fuse cut erro...

  • Page 142

    41955801th rev.8 142 / oki data confidential 6. Connection diagram 6.1 resistance checks 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: 8.6 Ω between pins 3 and 4: 8.6 Ω between pins 1 and 2: 8.6 Ω between pins 3 and 4: 8.6 ...

  • Page 143

    41955801th rev.8 143 / oki data confidential unit circuit diagram illustration resistance between pins 1 and 2: 8.6 Ω between pins 3 and 4: 8.6 Ω between pins 1 and 2: 8.6 Ω between pins 3 and 4: 8.6 Ω between pins 1 and 2: 7.9 Ω between pins 3 and 4: 7.9 Ω main motor (c) main motor (k) registration...

  • Page 144

    41955801th rev.8 144 / oki data confidential red brown yellow blue 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: 7.9 Ω between pins 3 and 4: 7.9 Ω fuser motor feeder motor between pins 1 and 2: 6.7 Ω between pins ...

  • Page 145

    41955801th rev.8 145 / oki data confidential c d e f a b 1. Upper roller side 2. Backup roller side unit circuit diagram illustration resistance 1. Upper roller side between pins “a” and “b”: between pins “c” and “d”: 363k (at 25˚c) between pins “e” and “f”: open 2. Backup roller side between pins “...

  • Page 146

    41955801th rev.8 146 / oki data confidential 6.2 program/font rom layouts (1) print engine controller pwb a) (k7n pwb : 600dpi) joden feed fsens p ar ttemp rsns reg duplex psize hvolt tr10p power cuif fan7 optn m1200 mpow c1200 cpow ypow k1200 kpow y1200 fan5 fcover fan4 covopn fan1 rcl fan8 fan2 be...

  • Page 147

    41955801th rev.8 147 / oki data confidential b) (k7n pwb : 1200dpi) joden feed fsens par ttemp rsns reg duplex psize hvolt tr10p power cuif fan7 head32 fan5 fcover fan4 co v opn fan1 rcl fan8 fan2 bel thet shutter hopff id dcl eeprom f5 f2 f3 f4 f6 f8 f1 f7 head34.

  • Page 148

    41955801th rev.8 148 / oki data confidential c) (k7v pwb : 600dpi) joden fan9 fsens p ar ttemp rsns reg duplex psize hvolt tr10p power cuif optn m1200 mpow c1200 cpow ypow k1200 kpow y1200 fan7 fan5 fcover fan4 covopn fan1 rcl fan3 fan2 bel thet shutter hopff id dcl f5 f3 f4 f1 f2 f6.

  • Page 149

    41955801th rev.8 149 / oki data confidential (2) main controller pwb a) (tig-3) puif fan 3 84 84 1 11 85 168 b 85 168 a dimm 84 2 85 168 168 168 84 1 85 3-dimm sockets (sdram dimm [64mb/512mb]) 2-dimm sockets (for program and fonts) 1 85 1 1 84 3 sdram sdmm1 sdmm2 sdmm3 eeprom cent usb 2 3 18 36 1 1...

  • Page 150

    41955801th rev.8 150 / oki data confidential b) (hme) puif fan 3 85 85 168 168 1 84 1 b 84 1 a dimm 84 2 85 168 168 168 84 1 85 3-dimm sockets (sdram dimm [64mb/512mb]) 2-dimm sockets (for program and fonts) 1 85 1 1 84 3 sdram sdmm1 sdmm2 sdmm3 nbc-2 nbc-2 eeprom cent usb 2 3 18 36 1 19 1 4 pcicu a...

  • Page 151

    41955801th rev.8 151 / oki data confidential po wer stuck cpo w2 mpo w2 ypo w2 tnrsnsc tnrsnsm tnrsnsy optn kpo w2 tnrsnsk panel (4) duplex control pwb (v71--n pwb) fu1 fsns main mo t or insens rsens clutch (5) control panel pwb (x7n pwb) ic501 u360 cn1 (3) led control pwb a) (y73-1 pwb:600dpi) b) (...

  • Page 152

    41955801th rev.8 152 / 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 pwb) cn11 sw3 sw1 sw2 sw4.

  • Page 153

    41955801th rev.8 153 / oki data confidential (9) high voltage power supply pwb (10) low voltage power supply pwb cn1 cn2 cn2 cn1 cn4-2 (cn6-2) cn4-1 (cn6-1) cn5 acin cn3 f2 f1.

  • Page 154

    41955801th rev.8 154 / 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 155

    41955801th rev.8 155 / 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 156

    41955801th rev.8 156 / 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 157

    41955801th rev.8 157 / 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 158

    41955801th rev.8 158 / oki data confidential appendix b 2nd/3rd tray maintenance 1. Parts replacement 1.1 cover idle roller assy (1) unscrew the four screws 1 to remove the cover side 2 and the plate cover pcb 3 . (2) unscrew the two screws 4 to demount the cover idle roller assy 5 . 3 5 1 1 1 1 2 4...

  • Page 159

    41955801th rev.8 159 / oki data confidential 3 4 2 1 1 1 1 2 1.2 pcb (1) unscrew the four screws 1 to remove the plate cover pcb 2 . (2) remove the connectors (at seven places) and the two screws 3 , then demount the board 4 ..

  • Page 160

    41955801th rev.8 160 / oki data confidential 3 3 3 3 2 3 4 0 0 9 7 1 1 e c b a e f 8 d d 3 1 1 1 1 5 1.3 feeder drive assy (1) remove the four screws 1 , six screws 2 and the eight screws 3 . (2) remove the cover sides 4 and 5 , the plate cover pcb 6 and the frame hopping assy 7 . (3) remove the e r...

  • Page 161

    41955801th rev.8 161 / oki data confidential appendix c c7100/7300/7350/9300/9500 series error messages 1. C7100/7300/7350/9300/9500 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 bli...

  • Page 162

    41955801th rev.8 162 / 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 163

    41955801th rev.8 163 / 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 164

    41955801th rev.8 164 / 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 165

    41955801th rev.8 165 / 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 166

    41955801th rev.8 166 / 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 167

    41955801th rev.8 167 / 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 168

    41955801th rev.8 168 / 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 169

    41955801th rev.8 169 / 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 170

    41955801th rev.8 170 / 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 171

    41955801th rev.8 171 / oki data confidential 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 toner low _ black toner low _ yellow drum near life _ magenta drum near lif...

  • Page 172

    41955801th rev.8 172 / oki data confidential 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 description accessing the file system (hdd/flash) on the cu board. Job c...

  • Page 173

    41955801th rev.8 173 / oki data confidential 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 pu flash error collate fail:too many pages err code * description disk-full is occurring. Beca...

  • Page 174

    41955801th rev.8 174 / 174 oki data confidential errors general error volume not available disk full file not found no free file descriptors invalid number of bytes file already exists illegal name cant del root not file not directory not same volume read only root dir full dir not empty bad disk no...

  • Page 175

    41955801tl rev.8 2 / oki data confidential 35 37 39, 40, 41, 42 4 22 34 3 7 6 20 30 18 14 1 12 11 26 a a b 8 28 29 19 21 25 1 2 28 29 28 33 32 9 31 b a 29 29 28 a b 29 29 28 28 29 29 23 29 29 32 29 23 23 23 23 28 28 28 29 29 29 29 29 28 23 29 main assembly(1/3).

  • Page 176

    41955801tl rev.8 3 / oki data confidential a b a b c c c 13 29 23 c 29 10 24 24 23 23 main assembly(2/3).

  • Page 177

    41955801tl rev.8 4 / oki data confidential 49 35 50 44 51 50 43 46 47 48 36 main assembly(3/3).

  • Page 178

    41955801tl rev.8 5 / oki data confidential 2 3 3 24 24 2 3 3 24 24 2 3 3 24 24 2 3 3 24 24 1 5 14 19 14 14 4 15 6 11(600dpi) 7 (600dpi) 12,13 (1200dpi) 8 (600dpi) 12,13 (1200dpi) 9 (600dpi) 12,13 (1200dpi) 10 (600dpi) 12,13 (1200dpi) 17 18 21 20(1200dpi) 21 22 21 21 21 23 21 21 21 21 21 21 16 13 13 ...

  • Page 179

    Main assembly per 500 per 1000 per 2000 1 40864601 front cover assy 1 3 6 12 2 41042501 front cover inner baffle 1 3 6 12 3 40866701 cassette assy 1 3 6 12 4 41438401 retard pad assy 1 3 6 12 5 6 40864301 rear cover 1 3 6 12 7 41374902 face up stacker assy 1 3 6 12 8 40864411 left side cover 1 3 6 1...

  • Page 180

    Main assembly per 500 per 1000 per 2000 remarks name parts no. No. Recommended q'ty/year q'ty /unit 33 41963001 toner‑cartridge̲type̲c2̲y (10k) 1 ‑ ‑ ‑ oda 41963002 toner‑cartridge̲type̲c2̲m (10k) 1 ‑ ‑ ‑ oda 41963003 toner‑cartridge̲type̲c2̲c (10k) 1 ‑ ‑ ‑ oda 41963004 toner‑cartridge̲type̲c2̲k (10...

  • Page 181

    Main assembly per 500 per 1000 per 2000 remarks name parts no. No. Recommended q'ty/year q'ty /unit 37 42277502 board‑crf(px711[1200]) 1 3 6 12 c7500(for tig) flashrom 42277506 board‑crf(px711[600]) 1 3 6 12 c7300(for tig) flashrom 42567301 board‑tny‑18(px711[600]) 1 3 6 12 c7300 ver.A2.05 (for tig)...

  • Page 182

    Cu assy confirmation subject. [cu main board] there are two kinds of cu main boards of c7550/c7350,c7500/c7300. Tig‑3 combination ok/ng main board program dimm eeprom hme old version ok tig‑3 ver.X1.Xx or x2.Xx 93c86 new version ok hme ver.X3.Xx or x4.Xx 24c32 cannot be used with the board of tig‑3 ...

  • Page 183

    41955801tl rev.8 5 / oki data confidential 2 3 3 24 24 2 3 3 24 24 2 3 3 24 24 2 3 3 24 24 1 5 14 19 14 14 4 15 6 11(600dpi) 7 (600dpi) 12,13 (1200dpi) 8 (600dpi) 12,13 (1200dpi) 9 (600dpi) 12,13 (1200dpi) 10 (600dpi) 12,13 (1200dpi) 17 18 21 20(1200dpi) 21 22 21 21 21 23 21 21 21 21 21 21 16 13 13 ...

  • Page 184

    Top cover assembly per 500 per 1000 per 2000 1 40859702 top cover 1 3 6 12 2 42461001 led assy (1200dpi) kit 4 12 24 48 42460901 led assy (600dpi) kit 4 12 24 48 3 42459501 led assy spring 8 24 48 96 4 41960901 led control pwb (y73) 1 3 6 12 600dpi 42124801 led control pwb (y7x) 1 3 6 12 1200dpi 5 4...

  • Page 185

    41955801tl rev.8 6 / oki data confidential a a 3 16 19 18 60 5 6 17 2 4 47 21 25 26 8 13 7 12 14 28 23 27 1 10 9 11 51 15 30 31 29 22 22 24 1 50 54 51 58 57 55 51 59 51 51 51 51 51 51 51 49 51 51 51 51 51 51 51 56 printer unit chassis(1/2).

  • Page 186

    41955801tl rev.8 7 / oki data confidential 31 33 44 40 41 48 39 36 43 45 37 34 38 32 35 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 47 52 53 printer unit chassis(2/2).

  • Page 187

    41955801tl rev.8 8 / oki data confidential a b b a c c’ c c’ 16 15 11 6 21 16 12 14 19 16 11 16 5 1 4 3 2 19 19 20 20 20 20 20 20 19 19 19 19 19 19 paper tray guide.

  • Page 188

    Paper tray guide per 500 per 1000 per 2000 1 40839802 main feed assy 1 3 6 12 2 40371302 feed roller 1 3 6 12 3 40313202 nudger roller 1 3 6 12 4 40325401 main feeder drive gear 1 3 6 12 5 40839001 left cassette guide assy 1 3 6 12 6 40839406 right cassette guide assy 1 3 6 12 7 8 9 10 11 40349701 p...

  • Page 189

    41955801tl rev.8 9 / oki data confidential a b d c a b c d e e f g g f 2 3 3 6 3 3 4 4 4 5 4 1 4 4 4 4 4 4 4 4 duplex unit.

  • Page 190

    Duplex unit per 500 per 1000 per 2000 1 41946501 duplex transport assy 1 3 6 12 2 4pb4043‑4718p001 screw (sp3×10) 2 ‑ ‑ ‑ 3 4pb4083‑2500p010 screw (t3×10) 6 ‑ ‑ ‑ 4 4pb4083‑2500p008 screw (t3×8) 15 ‑ ‑ ‑ 5 4pb4013‑3100p006 screw (m3×6) 3 ‑ ‑ ‑ 6 41945301 duplex unit 1 ‑ ‑ ‑ oda 41945303 duplex unit ...

  • Page 191

    41955801tl rev.8 10 / 10 oki data confidential 2nd/3rd tray 1 2 3 4 8 5 6 7.

  • Page 192

    2nd̲3rd tray per 500 per 1000 per 2000 1 41945401 2nd/3rd tray 500sheet feeder assembly 1 ‑ ‑ ‑ oda 41945403 2nd/3rd tray 500sheet feeder assembly 1 ‑ ‑ ‑ oel 41945407 2nd/3rd tray 500sheet feeder assembly 1 ‑ ‑ ‑ aps 2 41780305 board‑v7x 1 3 6 12 for old sensor 41780315 board‑v7x 1 3 6 12 for new s...