Oki C7400 Maintenance Manual
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Oki C7400 Maintenance Manual

Oki C7400 Maintenance Manual

Color led page printer
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Oki Data CONFIDENTIAL
C7400/C7200
Color LED Page Printer

MAINTENANCE MANUAL

ODA/OEL/INT
2002-12-12 Rev.9
1 / 157
41316401TH Rev.9

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Summary of Contents for Oki C7400

  • Page 1: Maintenance Manual

    Oki Data CONFIDENTIAL C7400/C7200 Color LED Page Printer MAINTENANCE MANUAL ODA/OEL/INT 2002-12-12 Rev.9 1 / 157 41316401TH Rev.9...
  • Page 2 Oki Data CONFIDENTIAL Document Revision History Corrected items Person in Rev.No. Date charge Page Description of change 2000-05-29 ISSUE E4 Yamazaki 2000-05-31 E4 Murakami 2000-12-04 NIP9 Yamazaki 2000-12-15 NIP9 Yamazaki 2001-05-15 CN11 Kasuya 2001-10-12 NP33 YAMAZAKI 2002-05-28 NP33 YAMAZAKI 2002-08-09...
  • Page 3 • In preparing the document, efforts have been made to ensure that the information in it is accurate. However, errors may be crept into the document. Oki Data assumes no responsibility for any damage resulting from, or claimed to be the results of, those repairs, adjustments or modifica- tions to the printers which are made by users using the manual.

  • Page 4: Table Of Contents

    Oki Data CONFIDENTIAL CONTENTS 1. CONFIGURATIONS ..................7 System Configuration ....................... 7 Printer Configuration ......................8 Option Configuration ......................9 Specifications ......................... 10 2. PARTS REPLACEMENT ................12 Precautions in Replacing Parts ..................12 Parts layout ........................14 Replacing Parts ......................20 2.3.1...
  • Page 5 Oki Data CONFIDENTIAL 2.3.34 Main Feeder Drive Motor .................. 55 2.3.35 Contact Assy/ Left Plate Assy ................56 2.3.36 Low Voltage Power Supply ................57 2.3.37 High voltage power supply ................58 2.3.38 Main Feed Assy ....................59 2.3.39 Cassette/ Left Guide Assy ................60 2.3.40 Cassette/ Right Guide Assy................
  • Page 6 APPENDIX A CENTRONICS PARALLEL INTERFACE........149 APPENDIX B 2ND/3RD TRAY MAINTENANCE ..........153 Parts Replacement ...................... 153 Cover Idle Roller Assy ..................153 PCB ........................ 154 Feeder Drive Assy ..................155 C7400/C7200 2nd/3rd Tray PARTS LIST ..............156 41316401TH Rev.9...

  • Page 7: Configurations

    Oki Data CONFIDENTIAL CONFIGURATIONS System Configuration Figure 1-1 shows the system configuration of the C7400/C7200 of printers. 41316401TH Rev.9...

  • Page 8: Printer Configuration

    Oki Data CONFIDENTIAL 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 printer configuration.

  • Page 9: Option Configuration

    Oki Data CONFIDENTIAL Option Configuration The followings are available as options on the C7400/C7200 of printers. 2nd Tray/ 3rd Tray Duplex Unit Expansion Memory 64/128/256 MB Internal Hard Disk Ethernet Board 41316401TH Rev.9...

  • Page 10: Specifications

    Oki Data CONFIDENTIAL 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 and the front feeder support A6 and postal-card sizes.)
  • Page 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 Storage (Max.

  • Page 12: Parts Replacement

    Oki Data CONFIDENTIAL 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. Precautions in Replacing Parts Before replacing the parts, be sure to remove the AC cable and the interface cable.
  • Page 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 Maintenance Tools Q' ty Use for Remark No. 1-100 Philips Screws of 2 to 2.5mm screwdriver No. 2-200 Philips...

  • Page 14: Parts Layout

    Oki Data CONFIDENTIAL Parts layout Figure 2-1 14 / 41316401TH Rev.9...
  • Page 15 Oki Data CONFIDENTIAL [Top Cover Assy] Figure 2-2 15 / 41316401TH Rev.9...
  • Page 16 Oki Data CONFIDENTIAL [Printer Unit-1/2] Figure 2-3 16 / 41316401TH Rev.9...
  • Page 17 Oki Data CONFIDENTIAL [Printer Unit-2/2] Figure 2-4 17 / 41316401TH Rev.9...
  • Page 18 Oki Data CONFIDENTIAL [Cassette Guide Assy (L),(R)] C’ C’ Figure 2-5 18 / 41316401TH Rev.9...
  • Page 19 Oki Data CONFIDENTIAL [Duplex Unit] Figure 2-6 19 / 41316401TH Rev.9...

  • Page 20: Replacing Parts

    Oki Data CONFIDENTIAL Replacing Parts This section describes how to replace the parts and assemblies shown in the following disassembling system diagram. C7400/ 41256204 C7200 Print Engine Controller PWB (2.3.23) LED Assy (2.3.2) 40737401 Low Voltage Power Supply (2.3.36) 40737601 High Voltage Power Supply (2.3.37)
  • Page 21 Oki Data CONFIDENTIAL CU Board Assy 41716809 41644801 41395303 Board_SWA PCB Assy_SWA Board Assy-CU 41848501 41356111 Board Assy.-CU(Maintenance) Board_TNO 41278601 2 41437402 Guide_Rail (A) Board Memory 64MB 41278701 Guide_Rail (B) 41410201 Motor-Fan 60x60x15 41278401 2 Screw PB4013-3100P006 x10 Cup Screw (S Tight M3)

  • Page 22: Top Cover

    Oki Data CONFIDENTIAL 2.3.1 Top Cover (1) Open the Top Cover assy. (2) Remove the nine screws to detach the top cover Figure 2-3-1 Top Cover 22 / 41316401TH Rev.9...

  • Page 23: Led Assy/ Led Assy Spring

    Oki Data CONFIDENTIAL 2.3.2 LED Assy/ LED Assy Spring (1) Open the top cover (2) Remove the three cables, and unhook the LED Assy at two places to demount it (the two springs become detached together with the LED Assy...

  • Page 24: Top Cover Unit

    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).

  • Page 25: Control Panel Assy/ Control Panel Bezel/ Led Control Pwb/ Toner Sensors/Stacker Full Sensor/ Control Panel/ Control Panel Tape Harness/Eject Rollers

    Oki Data CONFIDENTIAL 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) Detach the control panel bezel placed in the control panel Assy (2) Remove the screw...

  • Page 26: Top Cover Handle/ Top Cover Latch/ Top Cover Latch Spring

    Oki Data CONFIDENTIAL 2.3.5 Top Cover Handle/ Top Cover Latch/ Top Cover Latch Spring (1) Remove the two screws to detach the top cover handle and disengage the top cover latch (at the same time, the two top cover latch springs become detached).

  • Page 27: Eject Guide Assy

    Oki Data CONFIDENTIAL 2.3.6 Eject Guide Assy (1) Remove the five screws to detach the eject guide Assy Figure 2-3-6 Eject Guide Assy 27 / 41316401TH Rev.9...

  • Page 28: Cassette Assy/ Front Cover Assy/ Front Cover Inner Baffle

    Oki Data CONFIDENTIAL 2.3.7 Cassette Assy/ Front Cover Assy/ Front Cover Inner Baffle (1) Detach the cassette Assy (2) Open the front cover , and disengage it at two places to detach it. (3) Detach the front cover inner baffle...

  • Page 29: Retard Pad Assy/ Retard Pad Assy Spring

    Oki Data CONFIDENTIAL 2.3.8 Retard Pad Assy/ Retard Pad Assy Spring (1) Remove the cassette (2) Detach the retard pad Assy (at the same time, the spring becomes detached). Figure 2-3-8 Retard Pad Assy/ Retard Pad Assy Spring 29 /...

  • Page 30: Feed Roller And Nudger Roller

    Oki Data CONFIDENTIAL 2.3.9 Feed Roller and Nudger Roller (1) Remove the cassette. (2) Unlatch and demount the feed roller (3) Unlatch and demount the nudger roller Figure 2-3-9 Feed Roller and Nudger Roller 30 / 41316401TH Rev.9...

  • Page 31: Rear Cover

    Oki Data CONFIDENTIAL 2.3.10 Rear Cover (1) Remove the left side cover (see section 2.3.12). (2) Remove the four screws to detach the rear cover Note! When attaching the rear cover, take care not to allow the spring to get caught in parts.

  • Page 32: Face-Up Tray

    Oki Data CONFIDENTIAL 2.3.11 Face-Up Tray (1) Open the face-up tray in the arrow direction, and disengage it at two places to detach it. Figure 2-3-11 Face-Up Tray 32 / 41316401TH Rev.9...

  • Page 33: Left Side Cover

    Oki Data CONFIDENTIAL 2.3.12 Left Side Cover (1) Open the top cover (2) Open the front cover and undo the screw (3) Remove the four screws to detach the left side cover Figure 2-3-12 Left Side Cover 33 / 41316401TH Rev.9...

  • Page 34: Right Side Cover

    Oki Data CONFIDENTIAL 2.3.13 Right Side Cover (1) Open the top cover (2) Open the front cover and undo the screw (2) Remove the four screws to detach the right side cover Figure 2-3-13 Right Side Cover 34 / 41316401TH Rev.9...

  • Page 35: Multipurpose Tray Assy/ Multipurpose Tray Cover Assy/ Links/Multipurpose Tray Top Cover/ Multipurpose Tray Drive Gear

    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) Remove the left plate Assy (see section 2.3.22).

  • Page 36: Drum Contact Assys

    Oki Data CONFIDENTIAL 2.3.15 Drum Contact Assys (1) Insert a flatblade screwdriver between the printer case and the drum contact Assy to demount the drum contact Assy Figure 2-3-15 Drum Contact Assys 36 / 41316401TH Rev.9...

  • Page 37: Registration Roller Assy (A)/ Registration Drive Gear (A)

    Oki Data CONFIDENTIAL 2.3.16 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 section 2.3.13). (3) Remove the multipurpose tray (see section 2.3.14). (4) Remove the four screws...

  • Page 38: Registration Roller Assy (B)

    Oki Data CONFIDENTIAL 2.3.17 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 2.3.22). (5) Remove the registration clutch (see section 2.3.18).

  • Page 39: Registration Clutch And Registration Motor Assy

    Oki Data CONFIDENTIAL 2.3.18 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 2.3.22). (3) Remove the connector and the E ring , then remove the two screws...

  • Page 40: Main Cooling Fan

    Oki Data CONFIDENTIAL 2.3.19 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. Outlet Figure 2-3-19 Main Cooling Fan 40 /...

  • Page 41: Color Registration Sensor Assy

    Oki Data CONFIDENTIAL 2.3.20 Color Registration Sensor Assy (1) Remove the two screws and the two connectors to demount the color registration sensor Assy (2) Remove the earth plate B Connectors Figure 2-3-20 Color Registration Sensor Assy 41 / 41316401TH Rev.9...

  • Page 42: Duplex Guide Assy

    Oki Data CONFIDENTIAL 2.3.21 Duplex Guide Assy (1) Unlatch and demount the duplex guide Main chassis (rear) Figure 2-3-21 Duplex Guide Assy 42 / 41316401TH Rev.9...

  • Page 43: Electrical Chassis Cooling Fan

    Oki Data CONFIDENTIAL 2.3.22 Electrical Chassis Cooling Fan (1) Unscrew the four screws to remove the plate A (2) Unscrew the four screws to remove the shield plate B (3) Remove the printer engine controller PWB (see section 2.3.30). (4) Unscrew the eleven screws...

  • Page 44: Printer Engine Controller Pwb

    Oki Data CONFIDENTIAL 2.3.23 Printer Engine Controller PWB (1) Remove the right side cover (see section 2.3.13). (2) Remove the left plate Assy (see section 2.3.22). (3) Remove the five screws and all the connectors to demount the printer engine controller...

  • Page 45: Printer Unit Chassis

    Oki Data CONFIDENTIAL 2.3.24 Printer Unit Chassis (1) Unscrew the two screws and remove the AC inlet (2) Unscrew the four black screws and five screws to detach the printer unit chassis (3) Unscrew the four black screws and remove the left top cover spring Assy...

  • Page 46: Entrance Cassette Sensor Actuator

    Oki Data CONFIDENTIAL 2.3.25 Entrance Cassette Sensor Actuator (1) Remove the printer unit chassis (see section 2.3.24). (2) Turn over the main chassis. (3) Remove the two clamps with tweezers to demount the entrance cassette sensor actuator Main chassis Figure 2-3-25 Entrance Cassette Sensor Actuator 46 / 41316401TH Rev.9...

  • Page 47: Entrance Sensor Pwb

    Oki Data CONFIDENTIAL 2.3.26 Entrance Sensor PWB (1) Remove the registration roller Assy (B) (see section 2.3.17). (2) Remove the two screws to demount the entrance sensor PWB Figure 2-3-26 Entrance Sensor PWB 47 / 41316401TH Rev.9...

  • Page 48: Entrance Mt Sensor Actuator And Entrance Belt Sensor Actuator

    Oki Data CONFIDENTIAL 2.3.27 Entrance MT Sensor Actuator and Entrance Belt Sensor Actuator (1) Remove the entrance sensor PWB (R71) (see section 2.3.26). (2) Unlatch and detach the entrance MT sensor actuator (3) Unlatch and detach the entrance belt actuator...

  • Page 49: Fuser Exit Roller

    Oki Data CONFIDENTIAL 2.3.28 Fuser Exit Roller (1) Unscrew the two screws to remove the duplex gate solenoid Assy (2) Unscrew the screw to remove the fuser exit roller contact (3) Remove the fuser drive gear -A and fuser drive gear -A...

  • Page 50: Exit Sensor Assy

    Oki Data CONFIDENTIAL 2.3.29 Exit Sensor Assy (1) Remove the fuser exit roller (see section 2.3.28). (2) Remove the screw and connector to demount the (red and blue) exit sensor Assy Figure 2-3-29 Exit Sensor Assy 50 / 41316401TH Rev.9...

  • Page 51: Fuser Latching Handle (L)

    Oki Data CONFIDENTIAL 2.3.30 Fuser Latching Handle (L) (1) Remove the latching handle spring (2) Unscrew the screw to detach the fuser latching handle (L) Figure 2-3-30 Fuser Latching Handle (L) 51 / 41316401TH Rev.9...

  • Page 52: Belt Motor Assy

    Oki Data CONFIDENTIAL 2.3.31 Belt Motor Assy (1) Remove the fuser latching handle (R) (see section 2.3.32). (2) Remove the two screws to detach the two connectors (3) Demount the belt motor Assy Figure 2-3-31 Belt Motor Assy 52 /...

  • Page 53: Fuser Latching Handle (R)

    Oki Data CONFIDENTIAL 2.3.32 Fuser Latching Handle (R) (1) Remove the printer unit chassis (see section 2.3.24). (2) Remove the E ring (3) Remove the fuser latching handle spring to detach the fuser latching handle (R) Figure 2-3-32 Fuser Latching Handle (R) 53 / 41316401TH Rev.9...

  • Page 54: Main Motor Assy

    Oki Data CONFIDENTIAL 2.3.33 Main Motor Assy (1) Remove the belt motor Assy (see section 2.3.31). (2) Remove all the connectors. (3) Remove the four screws to demount the main motor Assy Figure 2-3-33 Main Motor Assy 54 / 41316401TH Rev.9...

  • Page 55: Main Feeder Drive Motor

    Oki Data CONFIDENTIAL 2.3.34 Main Feeder Drive Motor (1) Remove the two screws to detach the main feeder drive motor (2) Unscrew the screw to remove the main feeder drive motor bracket (3) Remove the main feeder drive motor gears A...

  • Page 56: Contact Assy/ Left Plate Assy

    Oki Data CONFIDENTIAL 2.3.35 Contact Assy/ Left Plate Assy (1) Remove the printer unit chassis (see section 2.3.24). (2) Remove the four screws to detach the left plate Assy (3) Remove the screw to detach the contact Assy Figure 2-3-35 Contact Assy/ Left Plate Assy 56 / 41316401TH Rev.9...

  • Page 57: Low Voltage Power Supply

    Oki Data CONFIDENTIAL 2.3.36 Low Voltage Power Supply (1) Remove the printer unit chassis (see section 2.3.24). (2) Unhook the connector (3) Unscrew the screw to remove the earth cable (4) Unscrew the six screws to demount the low voltage power supply...

  • Page 58: High Voltage Power Supply

    Oki Data CONFIDENTIAL 2.3.37 High voltage power supply (1) Remove the contact Assy (see section 2.3.35). (2) Unhook the connector of the high voltage power supply (3) Remove the two screws to detach the high voltage power supply (2) and the tape harness...

  • Page 59: Main Feed Assy

    Oki Data CONFIDENTIAL 2.3.38 Main Feed Assy (1) Remove the printer unit chassis (see section 2.3.24). (2) Remove the low voltage power supply and high voltage power supply (see sections 2.3.36 and 2.3.37). (3) Unscrew the five screws to remove the lower plate...

  • Page 60: Cassette/ Left Guide Assy

    Oki Data CONFIDENTIAL 2.3.39 Cassette/ Left Guide Assy (1) Remove the printer unit chassis (see section 2.3.24). (2) Remove the main feed Assy (see section 2.3.38). (3) Remove the three screws to detach the left cassette guide Assy . At the same time, the earth plate becomes detached.

  • Page 61: Cassette/ Right Guide Assy

    Oki Data CONFIDENTIAL 2.3.40 Cassette/ Right Guide Assy (1) Remove the printer unit chassis (see section 2.3.24). (2) Remove the main feed Assy (see section 2.3.38). (3) Remove the five screws to detach the right cassette guide Assy . At the same time, the earth plate becomes detached.

  • Page 62: Fuser Unit

    Oki Data CONFIDENTIAL 2.3.41 Fuser Unit (1) Open the top cover (2) Push the right and left fuser levers (blue) in the arrow direction to detach the fuser unit Figure 2-3-41 Fuser Unit 62 / 41316401TH Rev.9...

  • Page 63: Belt Unit

    Oki Data CONFIDENTIAL 2.3.42 Belt Unit (1) Open the top cover (2) Remove the I/D unit. (3) Push the lever (blue) in the arrow direction, raise the handle (blue) and detach the belt unit Handle (blue) Figure 2-3-42 Belt Unit 63 / 41316401TH Rev.9...

  • Page 64: Duplex Unit

    Oki Data CONFIDENTIAL 2.3.43 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 toward the front. Latch Latch...

  • Page 65: Guide Rails (L) And (R)

    Oki Data CONFIDENTIAL 2.3.44 Guide Rails (L) and (R) (1) Remove the duplex unit (see section 2.3.43). (2) Remove the six screws to detach the guide rails (L) and (R) Figure 2-3-44 Guide Rail (L), (R) 65 / 41316401TH Rev.9...

  • Page 66: Duplex Transport Assembly

    Oki Data CONFIDENTIAL 2.3.45 Duplex Transport Assembly (1) Turn over the duplex transport Assy. (2) Unscrew the three screws and five screws to detach the plate (3) Unplug the connector and detach the mold Assy (4) Detach the two actuators...
  • Page 67 Oki Data CONFIDENTIAL Duplex transport sensor Cord duplex connector Assy Idle roller spring Duplex transfer Assy Idle roller Idle roller shaft Figure 2-3-45 Duplex Transport Assembly 67 / 41316401TH Rev.9...

  • Page 68: Cu Assy

    Oki Data CONFIDENTIAL 2.3.46 CU Assy (1) Pulling out Controller Board 1. Undo the two screws 2. Pull the controller board out. 3. Place the controller board on a flat table. (2) Detaching Fan 1. Remove the connector 2. Remove the two screws 3.
  • Page 69 Oki Data CONFIDENTIAL (3) Demounting SWA Board 1. Remove the three screws and screw to detach the fan bracket 2. Remove the screw and four screws to detach the plate support and the guide rail A . 3. Remove the two screws to detach the guide rail B .

  • Page 70: Adjustments

    Oki Data CONFIDENTIAL ADJUSTMENTS Adjustments on the C7400/C7200 of printers are made by key entry on the operator panel. In addition to a standard menu, there is a maintenance menu in each printer. Select the one that serves the purpose of intended adjustment.

  • Page 71: Engine Maintenance Mode

    Oki Data CONFIDENTIAL 3.1.2 Engine maintenance mode The engine maintenance mode includes three modes, levels 1 to 3. The level 1 aims to assist in checking the media transport systems and the basic operations of printing systems etc. The level 2, which sets the consumable counter and tests the color registration adjustment function, does not require relatively special knowledge.

  • Page 72: Switch Scan Test

    Oki Data CONFIDENTIAL 3.1.2.3 Switch scan test This self-diagnosis is used when the input sensor and the switch are checked. 1. Enter the general diagnosis mode, and press and hold the 1 1 1 1 1 and 5 5 5 5 5 keys down until “SWITCH SCAN”...
  • Page 73 Oki Data CONFIDENTIAL Cover-upper switch Upper fuser center sensor MT-OHP (transparency) sensor Toner K sensor Toner M sensor Entrance belt sensor Lower fuser center sensor Toner C sensor Toner Y sensor Paper empty sensor Starker full sensor Exit sensor Entrance MT sensor...
  • Page 74 Oki Data CONFIDENTIAL 74 / 41316401TH Rev.9...

  • Page 75: Motor And Clutch Test

    Oki Data CONFIDENTIAL 3.1.2.4 Motor and clutch test This self-check routine is used for testing the motor and clutch. 1. Go to the self-diagnosis (level 1) mode, and hold the 1 1 1 1 1 and 5 5 5 5 5 keys down until the upper display of “MOTOR &...
  • Page 76 Oki Data CONFIDENTIAL Main motor (H) Fuser motor Main motor (C) Main motor (Y) Exit solenoid Belt motor Main motor (K) Registration motor Registration clutch Cassette1 hopping motor Duplex motor Cassette2 clutch Cassette2 motor Sensor shutter Cassette3 clutch Cassette3 motor...

  • Page 77: Test Printing

    Oki Data CONFIDENTIAL 3.1.2.5 Test printing This self-diagnostic routine is used when the internal test patterns of the PU are printed. Other test patterns are stored in the controller. 1. Go to the self-diagnosis (level 1) mode, and hold the 1 1 1 1 1 and 5 5 5 5 5 keys down until “TEST PRINT”...
  • Page 78 Oki Data CONFIDENTIAL • Following messages are showing at warm-up and during printing. P=*** T=*** U=***[###] H=***% L=***[###] P: Number of Sheets Printed for Test (in prints) U: Upper-Heater Temperature Measurement [Set Value] (in units of ˚C) L: Lower-Heater Temperature Measurement [Set Value] (in units of ˚C) T: Environmental Temperature Measurement (in units of ˚C)
  • Page 79 Oki Data CONFIDENTIAL KR=*.**KV YR=*.**KV MR=*.**KV CR=*.**KV 4. While "PRINT EXECUTE" is indicated in the lower display after the Item 2 procedure, press Key (3) to start test printing with the values set in Item 2 and 3 procedures. To suspend test printing, press Key 7 7 7 7 7 .
  • Page 80 Oki Data CONFIDENTIAL Pattern 5 Pattern 6 Pattern 7 5. Steps 2 through 4 to be repeated on an as needed basis. 6. Touch the (4) key to end the test (the display is restored to step 1). 80 /...

  • Page 81: Nvm Initialization

    Oki Data CONFIDENTIAL 3.1.2.6 NVM initialization The self-diagnosis is used to initialize non-volatile memory. 1. Enter the self-diagnosis (Level 1) mode, and continue to press the 1 1 1 1 1 and 5 5 5 5 5 keys until “NV-RAM INITIAL”...

  • Page 82: Consumable Counter Display

    Oki Data CONFIDENTIAL 3.1.2.7 Consumable counter display The self-diagnosis is used to indicate the consumable consumption status. 1. After entering the general self-diagnosis mode, hold the 1 1 1 1 1 and 5 5 5 5 5 keys down until “CONSUMABLE STATUS”...

  • Page 83: Error Messages And Their Details

    Oki Data CONFIDENTIAL 3.1.2.9 Error Messages and their Details Error Messages. Error Message Details BLACK DRUM UP/DOWN ERROR Black ID up/down error BLACK DRUM UNIT FUSE CUT ERROR Black ID unit fuse cut error BLACK TONER SENSOR ERROR Black toner sensor error...
  • Page 84 Oki Data CONFIDENTIAL Error Message Details HOPPING ERROR DUPLEX Duplex unit hopping error HOPPING ERROR TRAY4(PX703) Tray4 hopping error HOPPING ERROR TRAY5(PX703) Tray5 hopping error INPATH:FEED Feed jam INPATH:TRANSPORT Transport jam INPATH:EXIT Exit jam INPATH:DUPLEX INPUT Duplex unit input jam...
  • Page 85 Oki Data CONFIDENTIAL Error Message Details OPECODE TRAP ERROR Operation cord trap error POWER LSI ERROR Power unit LSI error PANEL I/F ERROR Opeator panel I/F error PU FAN MOTOR ERROR PU fan motor error PAPER SIZE ERROR Paper size error PAPER END SELECTED TRAY No paper is left in the selected tray.
  • Page 86 Oki Data CONFIDENTIAL Error Message Details INPATH:FEED Feed jam INPATH:TRANSPORT Transport jam INPATH:EXIT Exit jam INPATH:DUPLEX INPUT Duplex unit input jam INPATH:DUPLEX ENTRY Duplex unit entry jam INPATH:REVERSAL Duplex unit reversal jam INFEED:TRAY1 Tray1 hopping error INFEED:TRAY2 Tray2 hopping error...

  • Page 87: Swa Board Adjustments

    Oki Data CONFIDENTIAL 3.1.3 SWA board adjustments Destination Setting: The SWA board, a main board, is a common ROM among destinations. When using the board for maintenance, its destination must be set using the system maintenance mode. Placing Printer in System Maintenance Mode: (Not on view of users) 1.

  • Page 88: Short Plug Settings

    Oki Data CONFIDENTIAL 3.1.3.1 Short plug settings The SWA board has two short plugs that can be set as follows: Short Plug (WE1) Sets flash ROM DIMM to connect WE signals. (1-2 Short: Disconnects WE signals; 2-3 Short: Connects WE signals.) Factory 2-3 Short Setting: Re-programmable flash ROM DIMM.

  • Page 89: Adjustments After Parts Replacement

    Oki Data CONFIDENTIAL Adjustments after Parts Replacement Adjustment to be implemented after each part replacement is described below. Adjustment and correction of color registration are always required for each part replacement. Adjustment Replaced Part LED Head Color balance adjustment Drum Cartridge (Y, M, C, K) Not required.

  • Page 90: Eeprom Replacement After Swa Board Replacement

    Oki Data CONFIDENTIAL Note! The life information on the belt, toner, IDs etc. is cleared due to replacement of the EEPROM. Take note that an error occurs in the each unit’s life count until the unit is replaced. Following is counts cleared after the replacement of the EEPROM.

  • Page 91: Color Balance Adjustment

    Oki Data CONFIDENTIAL Color Balance Adjustment Color balance has been adjusted appropriately when a printer is shipped from the plant. However, it may be out of the appropriate balance during use. In such a case, color balance should be modified.
  • Page 92 Oki Data CONFIDENTIAL 92 / 41316401TH Rev.9...

  • Page 93: Periodic Maintenance

    Oki Data CONFIDENTIAL PERIODIC MAINTENANCE Parts Replaced Periodically It is recommended that the following parts be periodically replaced, as specified, by users (when they are not replaced, the print quality is not assured and printer problems may result). Parts Name...

  • Page 94: Troubleshooting Procedures

    Oki Data CONFIDENTIAL TROUBLESHOOTING PROCEDURES Before Troubleshooting Check the basic check items covered in the user’s manual. Obtain much information about problems from users whenever possible. Perform inspections in conditions close to those in which problems occurred. Checking before Troubleshooting Image Problems...

  • Page 95: Lcd Messages List

    Oki Data CONFIDENTIAL 5.5.1 LCD messages list When detects unrecoverable errors, the printer provides the following service call error message: Service Call nnn : Error Note! nnn is an error code. While a service call appears, an error code accompanied by its error information is shown on the lower LCD.
  • Page 96 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarms (2/5) Message Cause Error Description Solutions CU EEPROM Error Service Call Can the printer recover from the error by Replace the EEPROM. (Settings of the 040: Error replacing the EEPROM on the CU board? user must be restored on the new.)
  • Page 97 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarms (3/5) Message Cause Error Description Solutions Service Call Error detected at the 1) Is the error message displayed? Turn off/on the printer. 125: Error MT home position. 2) Does the error repeat? Replace the MT.
  • Page 98 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarms (4/5) Message Cause Error Description Solutions End of the ID unit life. Install New Drum Is it displayed soon after the ID unit Confirm the life of the ID unit. more copies printed.
  • Page 99 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarms (5/5) Message Cause Error Description Solutions Load *** Papers The specified cassette 1) No paper in MT? Load papers in MT. 490: No paper in has no paper or is the MP Tray removed.

  • Page 100: Preparation For Troubleshooting

    Oki Data CONFIDENTIAL 5.5.2 Preparation for troubleshooting Display on operation panel The failure status of the printer is provided on the LCD (liquid crystal display) of the operator panel. Perform appropriate troubleshooting according to messages on the LCD. Failure Flowchart No.
  • Page 101 Oki Data CONFIDENTIAL The printer does not operate properly after power-on. • Turn the printer off and on again. • showing on the LCD (about for one second).? • Is the AC cable connected properly? Connect the AC cable correctly.
  • Page 102 Oki Data CONFIDENTIAL 2-1 Paper Loading Jam (1st Tray) • Has the paper loading jam occurred immediately after power-on? • Yes Is the paper jammed at the entrance cassette sensor or the entrance MT sensor? • Remove the jammed paper.
  • Page 103 Oki Data CONFIDENTIAL 2-2 Paper Loading Jam (Multipurpose Tray) • Has the paper loading jam occurred immediately after power-on? • Yes Is the paper jammed at the entrance cassette sensor or the entrance MT sensor? Yes Remove the jammed paper.
  • Page 104 Oki Data CONFIDENTIAL 2-3 Paper feed jam • Has the paper feed jam occurred immediately after power-on? • Yes Is the paper jammed at the entrance belt sensor? Yes Remove the jammed paper. • Does the write sensor lever move properly? Replace the write sensor lever.
  • Page 105 Oki Data CONFIDENTIAL 2-4 Paper Exit Jam • Has the paper exit jam occurred immediately after power-on? • Yes Is the paper jammed at the exit sensor? Yes Remove the jammed paper. • Does the sensor lever move properly? Replace the sensor lever.
  • Page 106 Oki Data CONFIDENTIAL 2-5 Duplex Jam • Has the paper feed jam occurred immediately after power-on? • Yes Does the paper exist in the duplex unit? Yes Remove the jammad paper. • Do the levers of the duplex-in, rear and front sensors move properly? Replace the defective sensor lever.
  • Page 107 Oki Data CONFIDENTIAL Paper Size Error • Has the proper size paper used? Use the proper size paper. • Has the jam occurred at the entrance FF sensor or the paper width sensor? Yes Remove the jammed paper. • Does the entrance FF sensor lever move properly? Replace the defective sensor lever.
  • Page 108 Oki Data CONFIDENTIAL Image Drum Unit (ID) Up-and-Down Operation Error • Turn the printer off and, after a few seconds, on again. • Are all the ID drums revolving properly during printing? • Does the resistance of the ID motor lie at the rated value (approx. 4.0 )? Replace the defective IDU motor.
  • Page 109 Oki Data CONFIDENTIAL Fusing Unit Error • Has the fuser error occurred immediately after power-on? • Yes Is the heat roller thermistor broken or short-circuited? (See Figure 5-1.) (approx. 190k to 980k at room temperatures of 0 to 43˚C) •...
  • Page 110 Oki Data CONFIDENTIAL Motor Fan Error • Does the low voltage power supply fan run after power-on? • Is 32V output to the fuse FU502 of the engine board (71K PWB)? • Is 32V output to the power connector of the engine board (71K PWB)? 32V: Pins 7, 8, 9 and 10 Replace the low voltage power unit after checking the cable connection.

  • Page 111: Troubleshooting Image Problems

    Oki Data CONFIDENTIAL 5.5.3 Troubleshooting image problems Following is the troubleshooting for image problems illustrated below: Image problem Flowchart No. Light or faded image on whole page, or color misalignment on whole page (Figure 5-2 A ) Dirty background (Figure 5-2 B )
  • Page 112 Oki Data CONFIDENTIAL Light or Faded Image on Whole Page, or Color Misalignment on Whole Page (Figure 5-2 A ) • Are toners running short (is toner low displayed)? Yes Supply toner(s). • Is proper paper used? Use proper paper.
  • Page 113 Oki Data CONFIDENTIAL Dirty Background (Figure 5-2 B ) • Were the image drums exposed to external light for a long time? Yes Replace the ID unit(s). • Is the roller of the fuser unit dirty? Yes Replace the fuser unit.
  • Page 114 Oki Data CONFIDENTIAL Blank Page (Figure 5-2 C ) • Are the LED head Assys connected to the junction board (Y71 PWB) and the engine board (71K PWB) properly? Connect the LED Assy(s) to the junction board (Y71 PWB) and the engine board (71K PWB) properly, checking the cable connection.
  • Page 115 Oki Data CONFIDENTIAL Vertical Belt or Line (Black or Color Belt, or Black or Color Line) (Figure 5-2 D ) • Are the LED head Assys connected to the junction board (Y71 PWB) properly? Connect the LED head Assy(s) to the junction board properly.
  • Page 116 Oki Data CONFIDENTIAL Vertical White Belt or Line, or Uneven-Color Belt or Line (Figure 5-2 F ) • Are the LED heads dirty? Yes Clean the dirty LED head(s). • Are the LED head Assys connected to the junction board (Y71 PWB) properly? Connect the LED head Assy(s) to the junction board (Y71 PWB) properly.
  • Page 117 Oki Data CONFIDENTIAL Poor Fusing (Ink spreads or peels when touched with fingers.) • Is proper paper used? Use proper paper. • Is the contact of the fuser unit connected properly? Connect the contact of the fuser unit properly. •...
  • Page 118 Oki Data CONFIDENTIAL Defective Image of Regular Interval (See Figure 5-2 E ) Interval Problem Troubleshooting 94.2 mm Image Drum Replace the image drum unit. 63.6 mm Developing Roller Replace the image drum unit. 57.8 mm Toner Supply Roller Replace the image drum unit.
  • Page 119 Oki Data CONFIDENTIAL Missing Image • Are LED heads dirty? Yes Clean the LED head(s). • Are the LED head Assys connected to the junction board (Y71 PWB) properly? Connect the LED head Assy(s) to the board, checking the cable connection between the LED head(s) and the junction board.
  • Page 120 Oki Data CONFIDENTIAL Color Misalignment • Is the color menu of the user menu mode "Automatic Color-Registration Adjustment" OFF? Yes Make it on. Recovered? Yes End • "TONER LOW" is displayed. Yes Replenish toner. Recovered? Yes End • Execute the color registration test in the engine maintenance mode.
  • Page 121 Oki Data CONFIDENTIAL • Verify connection between the connector on Z71-PWB (color-registration sensor board) and RSNS/POWER connectors on 71K-PWB (engine board). Yes End • Replace Z71-PWB. Recovered? Yes End • Replace the engine board. Recovered? Yes End • Replace the cable connecting Z71-PWB and the engine board. Recovered? Yes End •...
  • Page 122 Oki Data CONFIDENTIAL • Are there problems in the gears (the gear Assys of the I/Ds, multipurpose tray, belt unit or belt motor)? Yes Replace the damaged gear Assy(s). • Connect the LED head unit(s) to the junction board properly.
  • Page 123 Oki Data CONFIDENTIAL Color Different from Original One • Are the LED head lenses dirty? Yes Clean the LED head lens(es). • Are the LED head Assys connected to the junction board (Y71 PWB) properly? Connect the LED head Assy(s) to the junction board, checking the cable connection between them.
  • Page 124 Oki Data CONFIDENTIAL Ground Charging roller Developing roller Toner supply roller Figure 5-3 124 / 41316401TH Rev.9...

  • Page 125: Connection Diagram

    Unit Circuit Diagram Illustration Resistance Brawn Between pins 1 and 2: 7.9 Transport Belt Motor Between pins 3 and 4: 7.9 Yellow Blue Between pins 1 and 2: 4 Main Motor (Y) Between pins 3 and 4: 4 Between pins 1 and 2: 4 Main Motor (M) Between pins 3 and 4: 4...
  • Page 126 Unit Circuit Diagram Illustration Resistance Between pins 1 and 2: 4 Main Motor (C) Between pins 3 and 4: 4 Between pins 1 and 2: 4 Main Motor (K) Between pins 3 and 4: 4 Between pins 1 and 2: 7.9 Registration Motor Between pins 3 and 4: 7.9...
  • Page 127 Unit Circuit Diagram Illustration Resistance Brown Between pins 1 and 2: 7.9 Fuser Motor Between pins 3 and 4: 7.9 Yellow Blue Between pins 1 and 2: 7.9 Feeder Motor Between pins 3 and 4: 7.9 Between pins 1 and 2: 6.7 Duplex Motor Between pins 3 and 4: 6.7...
  • Page 128 Unit Circuit Diagram Illustration Resistance +32 V White Main Cooling Fan Low Voltage FANALM-N Power Unit Black +32 V Yellow Electrical Chassis FANALM-N Cooling Fan Black 1. Upper roller side 1. Upper Roller Side 1 Upper roller 2 Backup roller Between pins “a”...

  • Page 129: Program/Font Rom Layouts

    Oki Data CONFIDENTIAL Program/Font ROM Layouts Print Engine Controller PWB (71K-PWB) 129 / 41316401TH Rev.9...
  • Page 130 Oki Data CONFIDENTIAL Main Controller PWB PUIF PCICU CENT Note! The option SDRAM DIMMs must be inserted in descending order of the parenthesized type No. appeared on the label of each DIMM into the slots 1, 3, 2 and 4 (see the user documentation for details).
  • Page 131 Oki Data CONFIDENTIAL LED Control PWB (Y71-PWB) (4) Duplex Control PWB (V71-PWB) Control Panel PWB (X71-PWB) 131 / 41316401TH Rev.9...
  • Page 132 Oki Data CONFIDENTIAL N71-PWB JODEN Entrance Sensor PWB (R71-PWB) INSNS2 INSNS1 WRSNS (8) Paper Size Sensing PWB (PXC-PWB) CN11 132 / 41316401TH Rev.9...

  • Page 133: Parts List

    Oki Data CONFIDENTIAL PARTS LIST 39, 40 Figure 7-1-1/3 133 / 41316401TH Rev.9...
  • Page 134 Oki Data CONFIDENTIAL Figure 7-1-2/3 134 / 41316401TH Rev.9...
  • Page 135 Oki Data CONFIDENTIAL Board Assy.-cu 43 (Maintenance) [41848502] consists of a set of a bracket to support Motor Fan 46 (41410201), a sheet metal to secure PCB Assy-SWA 35 (41716809), a gasket bonded to that sheet metal, and screws (attached to the assembly).
  • Page 136 Oki Data CONFIDENTIAL Table 7-1-1/3 Main Assembly Recommended Q’ty/Year Patrs No. Name Q’ty Remarks /Unit 1000 2000 40864601 Front Cover Assy 41042501 Front Cover Inner Baffle 40866701 Cassette Assy 41138401 Retard Pad Assy 40864301 Rear Cover 41374902 Face Up Stacker Assy...
  • Page 137 Oki Data CONFIDENTIAL Table 7-1-2/3 Recommended Q’ty/Year Patrs No. Name Q’ty Remarks /Unit 1000 2000 41303901 Belt-Unit 41303903 Belt-Unit OEL/APS 41304105 ID-Y 41304106 ID-M 41304107 ID-C 41304108 ID-K 41304109 ID-Y OEL/APS 41304110 ID-M OEL/APS 41304111 ID-C OEL/APS 41304112 ID-K OEL/APS...
  • Page 138 Oki Data CONFIDENTIAL Table 7-1-3/3 Recommended Q’ty/Year Patrs No. Name Q’ty Remarks /Unit 1000 2000 41377401 Plate-Indicator 41716809 PCB Assy-SWA 8164323M0000 EEPROM(CU) 41356111 Board-TNO 41437418 Board-Memory 64MB 1200dpi-ODA 41437414 Board-Memory 64MB 1200dpi-OEL 41437410 Board-Memory 64MB 1200dpi-APS 41437419 Board-Memory 128MB 1200dpi Duplex-ODA...
  • Page 139 Oki Data CONFIDENTIAL Figure 7-2 139 / 41316401TH Rev.9...
  • Page 140 Oki Data CONFIDENTIAL Table 7-2 Top Cover Assembly Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 40859701 Top Cover 41071401 LED Assy (1200dpi) 41072401 LED Assy (1200dpi) 41072402 LED Assy (600dpi) 40861001 LED Assy Spring 41257901 LED Control PWB (Y71)
  • Page 141 Oki Data CONFIDENTIAL Figure 7-3-1/2 141 / 41316401TH Rev.9...
  • Page 142 Oki Data CONFIDENTIAL Figure 7-3-2/2 142 / 41316401TH Rev.9...
  • Page 143 Oki Data CONFIDENTIAL Table 7-3-1/2 Printer Unit Chassis Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 41189701 Drum contact Assy 40844301 Registration Roller Assy (A) 40844303 Registration Roller Assy (B) 40845401 Registration Drive Gear 41187101 Registration Clutch 40845801...
  • Page 144 Oki Data CONFIDENTIAL Table 7-3-2/2 Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 40846001 Main Feeder Drive Motor 40848501 Main Feeder Drive Gear A 40848601 Main Feeder Drive Gear B 41303601 Left Plate Assy 40850201 Contact Assy 40737401...
  • Page 145 Oki Data CONFIDENTIAL C’ C’ Figure 7-4 145 / 41316401TH Rev.9...
  • Page 146 Oki Data CONFIDENTIAL Table 7-4 Paper Tray Guide Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 40839801 Main Feed Assy 40371301 Feed Roller 40313201 Nudger Roller 40325401 Main Feeder Drive Gear 40839001 Left Cassette Guide Assy 40839401 Right Cassette Guide Assy...
  • Page 147 Oki Data CONFIDENTIAL Figure 7-5 147 / 41316401TH Rev.9...
  • Page 148 Oki Data CONFIDENTIAL Table 7-5 Duplex Unit Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 41305301 Duplex Transport Assy 4PB4043-4718P001 Screw (SP3 10) 4PB4083-2500P010 Screw (T3 10) 4PB4083-2500P008 Screw (T3 8) 4PB4013-3100P006 Screw (M3 6) 41372901 Duplex Unit...

  • Page 149: Appendix A Centronics Parallel Interface

    Oki Data CONFIDENTIAL APPENDIX A CENTRONICS PARALLEL INTERFACE Connector • Printer Side: 36-pin receptacle (female) Equivalent of type 57RE-40360-830B-D29 (made by Daiichi Denshi Kogyo) • Cable Side: 36-pin plug (male) Equivalent of type 57-30360 (made by Daiichi Denshi Kogyo) Equivalent of plug 552274-1 (AMP), 52073-1 (AMP) Cable •...
  • Page 150 Oki Data CONFIDENTIAL A list of Parallel I/F Signals Pin No. Signal Name Signal Direction Function DATA STROBE Parallel data sampling strobe DATA BIT - 1 DATA BIT - 2 DATA BIT - 3 DATA BIT - 4 Parallel input data...
  • Page 151 Oki Data CONFIDENTIAL Signal Levels • Low Level: 0V to +0.8V • High Level: +2.4V to +5.0v Specifications Item Description Mode Compatibility mode, Nibble mode, ECP mode Data Bit Length Compatibility: 8, Nibble: 4, ECP: 9 bits Control Initial connection control in each mode. Storing of data from host in receive buffer.
  • Page 152 Oki Data CONFIDENTIAL c) Off-line Timing for switching to on-line by on-line SW ON-LINE SW BUSY SELECT ACKNOWLEDGE d) nlnit timing (under enabling input prime signal) * By menu setting 50 s min. INPUT. PRIME BUSY SELECT 5 s max.

  • Page 153: Appendix B 2Nd/3Rd Tray Maintenance

    Oki Data CONFIDENTIAL APPENDIX B 2ND/3RD TRAY MAINTENANCE Parts Replacement 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.

  • Page 154: Pcb

    Oki Data CONFIDENTIAL (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. 154 / 41316401TH Rev.9...

  • Page 155: Feeder Drive Assy

    Oki Data CONFIDENTIAL 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 ring 8, the clutch 9 and the two screws 0.

  • Page 156: C7400/C7200 2Nd/3Rd Tray Parts List

    Oki Data CONFIDENTIAL C7400/C7200 2nd/3rd Tray PARTS LIST 156 / 41316401TH Rev.9...
  • Page 157 Oki Data CONFIDENTIAL Table 2-1 C7400/C7200 2nd/3rd Tray Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 41304501 — — — 2nd/3rd Tray 500Sheet Feeder Assembly 41304503 — — — OEL/APS 2nd/3rd Tray 500Sheet Feeder Assembly 41780302 Board-V7X ECO-C7400-023...

  • Page 158: Spare Parts List

    C7200/C7400 Color LED Page Printer Spare Parts List [Extracted from C7200/C7400 Maintenance Manual] ODA/OEL/INT 2002-12-12 Rev.9 41316401TH Rev.9...
  • Page 159 Oki Data CONFIDENTIAL PARTS LIST 39, 40 Figure 7-1-1/3 41316401TH Rev.9...
  • Page 160 Oki Data CONFIDENTIAL Figure 7-1-2/3 41316401TH Rev.9...
  • Page 161 Oki Data CONFIDENTIAL Board Assy.-cu 43 (Maintenance) [41848502] consists of a set of a bracket to support Motor Fan 46 (41410201), a sheet metal to secure PCB Assy-SWA 35 (41716809), a gasket bonded to that sheet metal, and screws (attached to the assembly).
  • Page 162 Oki Data CONFIDENTIAL Table 7-1-1/3 Main Assembly Recommended Q’ty/Year Patrs No. Name Q’ty Remarks /Unit 1000 2000 40864601 Front Cover Assy 41042501 Front Cover Inner Baffle 40866701 Cassette Assy 41138401 Retard Pad Assy 40864301 Rear Cover 41374902 Face Up Stacker Assy...
  • Page 163 Oki Data CONFIDENTIAL Table 7-1-2/3 Recommended Q’ty/Year Patrs No. Name Q’ty Remarks /Unit 1000 2000 41303901 Belt-Unit 41303903 Belt-Unit OEL/APS 41304105 ID-Y 41304106 ID-M 41304107 ID-C 41304108 ID-K 41304109 ID-Y OEL/APS 41304110 ID-M OEL/APS 41304111 ID-C OEL/APS 41304112 ID-K OEL/APS...
  • Page 164 Oki Data CONFIDENTIAL Table 7-1-3/3 Recommended Q’ty/Year Patrs No. Name Q’ty Remarks /Unit 1000 2000 41377401 Plate-Indicator 41716809 PCB Assy-SWA 8164323M0000 EEPROM(CU) 41356111 Board-TNO 41437418 Board-Memory 64MB 1200dpi-ODA 41437414 Board-Memory 64MB 1200dpi-OEL 41437410 Board-Memory 64MB 1200dpi-APS 41437419 Board-Memory 128MB 1200dpi Duplex-ODA...
  • Page 165 Oki Data CONFIDENTIAL Figure 7-2 41316401TH Rev.9...
  • Page 166 Oki Data CONFIDENTIAL Table 7-2 Top Cover Assembly Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 40859701 Top Cover 41071401 LED Assy (1200dpi) 41072401 LED Assy (1200dpi) 41072402 LED Assy (600dpi) 40861001 LED Assy Spring 41257901 LED Control PWB (Y71)
  • Page 167 Oki Data CONFIDENTIAL Figure 7-3-1/2 41316401TH Rev.9...
  • Page 168 Oki Data CONFIDENTIAL Figure 7-3-2/2 41316401TH Rev.9...
  • Page 169 Oki Data CONFIDENTIAL Table 7-3-1/2 Printer Unit Chassis Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 41189701 Drum contact Assy 40844301 Registration Roller Assy (A) 40844303 Registration Roller Assy (B) 40845401 Registration Drive Gear 41187101 Registration Clutch 40845801...
  • Page 170 Oki Data CONFIDENTIAL Table 7-3-2/2 Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 40846001 Main Feeder Drive Motor 40848501 Main Feeder Drive Gear A 40848601 Main Feeder Drive Gear B 41303601 Left Plate Assy 40850201 Contact Assy 40737401...
  • Page 171 Oki Data CONFIDENTIAL C’ C’ Figure 7-4 41316401TH Rev.9...
  • Page 172 Oki Data CONFIDENTIAL Table 7-4 Paper Tray Guide Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 40839801 Main Feed Assy 40371301 Feed Roller 40313201 Nudger Roller 40325401 Main Feeder Drive Gear 40839001 Left Cassette Guide Assy 40839401 Right Cassette Guide Assy...
  • Page 173 Oki Data CONFIDENTIAL Figure 7-5 41316401TH Rev.9...
  • Page 174 Oki Data CONFIDENTIAL Table 7-5 Duplex Unit Recommended Q’ty/Year Parts No. Name Q’ty Remarks /Unit 1000 2000 41305301 Duplex Transport Assy 4PB4043-4718P001 Screw (SP3 10) 4PB4083-2500P010 Screw (T3 10) 4PB4083-2500P008 Screw (T3 8) 4PB4013-3100P006 Screw (M3 6) 41372901 Duplex Unit...

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