Oki C7500n Maintenance Manual
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Oki C7500n Maintenance Manual

Oki C7500n Maintenance Manual

Color led page printer
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Download this manual See also: Reference Manual, Configuration Manual
No.01
Name
41955801TL
41955801TR
7
2004-04-23
HP9-0004
8
2004-09-08
SE2-0248
Akio Kikuchi
Yoshinori Fujisawa
2004-04-23
C7550/C7350,C7500/C7300
Color LED Page Printer

Maintenance Manual

C7550/C7350,C7500/C7300 Disassembly for Maintenance
C7550/C7350,C7500/C7300 RSPL
Change format
Add to C7550/C7350
Tomoyo Sugiyama
[041124A]
Tomoyo Sugiyama
Takayuki Oshima
C7550/C7350,C7500/C7300 (ODA/OEL/INT)
Maintenance Manual
Oki Data CONFIDENTIAL
Akio Kikuchi
Hiroshi Ueno
41955801TH
1
174

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  • Page 1: Maintenance Manual

    No.01 Oki Data CONFIDENTIAL C7550/C7350,C7500/C7300 Color LED Page Printer Maintenance Manual [041124A] Name 41955801TL C7550/C7350,C7500/C7300 Disassembly for Maintenance 41955801TR C7550/C7350,C7500/C7300 RSPL 2004-04-23 HP9-0004 Change format Tomoyo Sugiyama Akio Kikuchi 2004-09-08 SE2-0248 Add to C7550/C7350 Takayuki Oshima Hiroshi Ueno Akio Kikuchi...
  • Page 2 Oki Data CONFIDENTIAL Document Revision History Corrected items Person in Rev.No. Date change Page Description of change 2002-10-23 2002-11-29 NP11 Haruyama 2003-06-06 ME4 Ueda Part No. of the Control Panel Bezel 2003-07-14 Add CU(VE Version) CN11 Yamanaka 2003-12-19 Add PU(VE Version)
  • 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 3.2.5 Recovery Flash ROM data on CU board ............96 3.2.6 Notes on replacing Oki LAN8100e or CU boards equipped with Oki LAN8100e96 Adjusting the Density ..................... 96 Paper Thickness Detection Sensitivity Adjustment and Media Thickness Detection Value Check ........................97 3.4.1...
  • Page 6 Oki Data CONFIDENTIAL Troubleshooting Procedure ..................108 5.5.1 LCD message list ................... 109 5.5.2 Preparing for troubleshooting ................. 115 5.5.3 Troubleshooting for abnormal images ............126 Fuse check ........................141 Life Counter Tool ......................141 6. CONNECTION DIAGRAM ................142 Resistance Checks ......................

  • Page 7: Configurations

    Oki Data CONFIDENTIAL CONFIGURATIONS System Configuration Figure 1-1 shows the system configuration of the C7550/C7350,C7500/C7300 of printers. 41955801TH Rev.8...

  • 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 C7550/C7350,C7500/C7300 of printers. 2nd Tray/ 3rd Tray Note: Don’t use one for C9200/C9400 (2) Duplex Unit Note: Don’t use one for C9200/C9400 Expansion Memory 64/128/256/512 MB Note: Don’t use one for...

  • 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 (1) 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 Service Tools Q' ty Place of use Remarks No. 1-100 Philips 2~2.5 mm screws screwdriver No. 2-200 Philips...

  • Page 14: Parts Layout

    Oki Data CONFIDENTIAL Parts layout Figure 2-1 14 / 41955801TH Rev.8...
  • Page 15 Oki Data CONFIDENTIAL [Top Cover Assy] For 1200dpi For 600dpi Figure 2-2 15 / 41955801TH Rev.8...
  • Page 16 Oki Data CONFIDENTIAL [Printer Unit-1/2] Figure 2-3 16 / 41955801TH Rev.8...
  • Page 17 Oki Data CONFIDENTIAL [Printer Unit-2/2] Figure 2-4 17 / 41955801TH Rev.8...
  • Page 18 Oki Data CONFIDENTIAL [Cassette Guide Assy (L),(R)] C’ C’ Figure 2-5 18 / 41955801TH Rev.8...
  • Page 19 Oki Data CONFIDENTIAL [Duplex Unit] Figure 2-6 19 / 41955801TH Rev.8...

  • Page 20: Replacing Parts

    Oki Data CONFIDENTIAL Replacing Parts This section describes how to replace the parts and assemblies shown in the following disassem- bling system diagram. C7550 /C7350, Print Engine Controller PWB (2.3.24) C7500 /C7300 LED Assy (2.3.2) Low Voltage Power Supply (2.3.37) High Voltage Power Supply (2.3.38)
  • Page 21 Oki Data CONFIDENTIAL 41911201 Thickness Plate Assy 41928801 Stage-Pickup 41888701 Cover-Seal-Sensor 41911101 Thickness Sensor Assy CU Board Assy Or TIG_Assy(OLD Version) Refer to Service Parts List Or HME(NEW Version) TIG-3 Board(OLD Version) HME Board(NEW Version) 41286901 Refer to Service Parts List...

  • Page 22: Top Cover

    Oki Data CONFIDENTIAL 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 22 / 41955801TH Rev.8...

  • Page 23: Led Head / Led Spring / Post-Guide

    Oki Data CONFIDENTIAL 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).

  • 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) Remove the control panel Assy 1. (2) Detach the control panel tape harness 2.

  • 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 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).

  • Page 27: Eject Guide Assy

    Oki Data CONFIDENTIAL 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 27 / 41955801TH Rev.8...

  • 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 1. (2) Open the front cover 2, and disengage it at two places to detach it. (3) Detach the front cover inner baffle 3.

  • 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 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 29 / 41955801TH Rev.8...

  • 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 1. (3) Unlatch and demount the nudger roller 2. Figure 2-3-9 Feed Roller and Nudger Roller 30 / 41955801TH Rev.8...

  • 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 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.

  • Page 32: Face-Up Tray

    Oki Data CONFIDENTIAL 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 32 / 41955801TH Rev.8...

  • Page 33: Left Side Cover

    Oki Data CONFIDENTIAL 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 33 / 41955801TH Rev.8...

  • Page 34: Right Side Cover

    Oki Data CONFIDENTIAL 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 34 / 41955801TH Rev.8...

  • 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) Detach the Cover Seal Sensor and the Thickness Sensor Connector (see section 2.3.16).

  • 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 1 to demount the drum contact Assy 1. Figure 2-3-15 Drum Contact Assys 36 / 41955801TH Rev.8...

  • Page 37: Media Thickness Sensor Assy

    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 Sensor Assy 5 to...

  • Page 38: Registration Roller Assy (A)/ Registration Drive Gear (A)

    Oki Data CONFIDENTIAL 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 section 2.3.13). (3) Remove the multipurpose tray (see section 2.3.14). (4) Remove the Media Thickness Sensor Assy. (see section 2.3.16).

  • Page 39: Registration Roller Assy (B)

    Oki Data CONFIDENTIAL 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) Remove the registration clutch (see section 2.3.19).

  • Page 40: Registration Clutch And Registration Motor Assy

    Oki Data CONFIDENTIAL 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 connector and the E ring 1, then remove the two screws 2, the earth 3 and the registration clutch 4.

  • Page 41: Main Cooling Fan

    Oki Data CONFIDENTIAL 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. Outlet Figure 2-3-20 Main Cooling Fan 41 /...

  • Page 42: Color Registration Sensor Assy

    Oki Data CONFIDENTIAL 2.3.21 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 2-3-21 Color Registration Sensor Assy 42 / 41955801TH Rev.8...

  • Page 43: Duplex Guide Assy

    Oki Data CONFIDENTIAL 2.3.22 Duplex Guide Assy (1) Unlatch and demount the duplex guide Main chassis (rear) Figure 2-3-22 Duplex Guide Assy 43 / 41955801TH Rev.8...

  • Page 44: Electrical Chassis Cooling Fan

    Oki Data CONFIDENTIAL 2.3.23 Electrical Chassis Cooling Fan (1) Unscrew the four screws to remove the plate A (2) Unscrew the thirty-four screws to remove the shield plate B (3) Remove the printer engine controller PWB (see section 2.3.24). (4) Unscrew the eleven screws...

  • Page 45: Printer Engine Controller Pwb

    Oki Data CONFIDENTIAL 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 and all the connectors to demount the printer engine controller...

  • Page 46: Printer Unit Chassis

    Oki Data CONFIDENTIAL 2.3.25 Printer Unit Chassis (1) Unscrew the two screws and remove the AC inlet (2) Unscrew the four black screws and six screws to detach the printer unit chassis (3) Unscrew the four black screws and remove the left top cover spring Assy...

  • Page 47: Entrance Cassette Sensor Actuator

    Oki Data CONFIDENTIAL 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 entrance cassette sensor actuator Main chassis Figure 2-3-26 Entrance Cassette Sensor Actuator 47 / 41955801TH Rev.8...

  • Page 48: Entrance Sensor Pwb

    Oki Data CONFIDENTIAL 2.3.27 Entrance Sensor PWB (1) Remove the registration roller Assy (B) (see section 2.3.18). (2) Remove the two screws to demount the entrance sensor PWB Figure 2-3-27 Entrance Sensor PWB 48 / 41955801TH Rev.8...

  • Page 49: Entrance Mt Sensor Actuator / Entrance Belt Sensor Actuator

    Oki Data CONFIDENTIAL 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 (3) Unlatch and detach the entrance belt actuator...

  • Page 50: Fuser Exit Roller

    Oki Data CONFIDENTIAL 2.3.29 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 51: Exit Sensor Assy

    Oki Data CONFIDENTIAL 2.3.30 Exit Sensor Assy (1) Remove the fuser exit roller (see section 2.3.29). (2) Remove the screw and connector to demount the (red and blue) exit sensor Assy Figure 2-3-30 Exit Sensor Assy 51 / 41955801TH Rev.8...

  • Page 52: Fuser Latching Handle (L)

    Oki Data CONFIDENTIAL 2.3.31 Fuser Latching Handle (L) (1) Remove the latching handle spring (2) Unscrew the screw to detach the fuser latching handle (L) Figure 2-3-31 Fuser Latching Handle (L) 52 / 41955801TH Rev.8...

  • Page 53: Belt Motor Assy

    Oki Data CONFIDENTIAL 2.3.32 Belt Motor Assy (1) Remove the fuser latching handle (R) (see section 2.3.33). (2) Remove the two screws to detach the two connectors (3) Demount the belt motor Assy Figure 2-3-32 Belt Motor Assy 53 /...

  • Page 54: Fuser Latching Handle (R)

    Oki Data CONFIDENTIAL 2.3.33 Fuser Latching Handle (R) (1) Remove the printer unit chassis (see section 2.3.25). (2) Remove the E ring (3) Remove the fuser latching handle spring to detach the fuser latching handle (R) Figure 2-3-33 Fuser Latching Handle (R) 54 / 41955801TH Rev.8...

  • Page 55: Main Motor Assy

    Oki Data CONFIDENTIAL 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 to demount the main motor Assy Figure 2-3-34 Main Motor Assy 55 / 41955801TH Rev.8...

  • Page 56: Main Feeder Drive Motor

    Oki Data CONFIDENTIAL 2.3.35 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 57: Contact Assy/ Left Plate Assy

    Oki Data CONFIDENTIAL 2.3.36 Contact Assy/ Left Plate Assy (1) Remove the printer unit chassis (see section 2.3.25). (2) Remove the four screws to detach the left plate Assy (3) Remove the screw to detach the contact Assy Figure 2-3-36 Contact Assy/ Left Plate Assy 57 / 41955801TH Rev.8...

  • Page 58: Low Voltage Power Supply

    Oki Data CONFIDENTIAL 2.3.37 Low Voltage Power Supply (1) Remove the printer unit chassis (see section 2.3.25). (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 59: High Voltage Power Supply

    Oki Data CONFIDENTIAL 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 (3) Remove the two screws to detach the high voltage power supply and the tape harness...

  • Page 60: Main Feed Assy

    Oki Data CONFIDENTIAL 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 to remove the lower plate...

  • Page 61: Cassette/ Left Guide Assy

    Oki Data CONFIDENTIAL 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 to detach the left cassette guide Assy . At the same time, the earth plate becomes detached.

  • Page 62: Cassette/ Right Guide Assy

    Oki Data CONFIDENTIAL 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 to detach the right cassette guide Assy . At the same time, the earth plate becomes detached.

  • Page 63: Fuser Unit

    Oki Data CONFIDENTIAL 2.3.42 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 2-3-42 Fuser Unit 63 / 41955801TH Rev.8...

  • Page 64: Belt Unit

    Oki Data CONFIDENTIAL 2.3.43 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 Figure 2-3-43 Belt Unit 64 /...

  • Page 65: Duplex Unit

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

  • Page 66: Guide Rails (L) And (R)

    Oki Data CONFIDENTIAL 2.3.45 Guide Rails (L) and (R) (1) Remove the duplex unit (see section 2.3.44). (2) Remove the six screws to detach the guide rails (L) and (R) Figure 2-3-45 Guide Rail (L), (R) 66 / 41955801TH Rev.8...

  • Page 67: Duplex Transport Assembly

    Oki Data CONFIDENTIAL 2.3.46 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 68 Oki Data CONFIDENTIAL Duplex transport sensor × 2 Cord duplex connector Assy Idle roller spring Duplex transfer Assy Idle roller × 8 Idle roller shaft × 8 Figure 2-3-46 Duplex Transport Assembly 68 / 41955801TH Rev.8...

  • Page 69: Cu Assy

    ODA/OEL/APS Note: To use Oki LAN 8100e, software for the NIC must be downloaded to a CU main board. Software for the NIC is downloaded to a CU main board (HME) before shipment of a printer or a service board.
  • Page 70 Oki Data CONFIDENTIAL CU Assy disassembly pracedures (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 71 Oki Data CONFIDENTIAL (3) Demounting CU 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 72: Adjustment

    Oki Data CONFIDENTIAL 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. System Maintenance MENU The printer enters this mode when you turn on the power supply switch while holding down the [Menu]+[Item]+[Value]+[Cancel] (0+1+6+7)switches.

  • Page 73: Id Check Pattern Printing ( " Test Print Menu " Item )

    Oki Data CONFIDENTIAL Table 3-0 (2/2) Maintenance Menu display Table Category Functions Item(1st Line) Value(2nd Line) NETWORK The details depend on Network. ( Not used ) DIAGNOSTIC MODE Enters engine self-diagnostic mode. XX.XX.XX The display in place of xx.xx varies among the PU version.
  • Page 74 Oki Data CONFIDENTIAL Maintenance Menu Category Item(1st Line) Functions Value(2nd Line) MAINTENANCE MENU EEPROM reset Resets EEPROM for CU. EXECUTE SAVE MENU Save Saves current menu setting. A EXECUTE menu setting message asking Are you sure? and a choice of YES/NO will appear.

  • Page 75: Engine Maintenance Mode

    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 correcting function of color displacement, and is a mode that does not require special knowledge.

  • Page 76: Entering Self-Diagnostic Mode (Level 1)

    Oki Data CONFIDENTIAL 3.1.2.2.1 Entering self-diagnostic mode (Level 1) 1. The system maintenance menu mode is entered by turning the power ON while pressing the ) ) ) ) ) 1 1 1 1 1 6 6 6 6 6...
  • Page 77 Oki Data CONFIDENTIAL Heat/Humidity sensor Top fuser sensor Cover up switch OHP sensor K toner sensor M toner sensor Paper weight Bottom fuser sensor Y toner sensor C toner sensor sensor Paper empty sensor Stacker full sensor Paper eject sensor...
  • Page 78 Oki Data CONFIDENTIAL 78 / 41955801TH Rev.8...
  • Page 79 Oki Data CONFIDENTIAL Table 3-2 Paper Size Detection - Paper /Bit Correspondence Table Paper No cassette Letter-S Legal13-S A4-S B5-S Executive-S A6-S Not supported — — — — Legal14-S Not supported — — — — Not supported — — —...

  • Page 80: Motor Clutch Test

    Oki Data CONFIDENTIAL 3.1.2.4 Motor clutch test This self-diagnostic routine is used to test the motor and clutch. 1 1 1 1 1 5 5 5 5 5 1. Press the keys until the self-diagnostic (Level 1) mode is entered and [MOTOR &...
  • Page 81 Oki Data CONFIDENTIAL ID motor (M) ID motor (C) Fuser motor ID motor (Y) Eject solenoid Belt motor ID motor (K) Resist motor Resist clutch Cassette 1 hopping motor Duplex print Cassette 2 clutch motor Cassette 2 motor Sensor shutter...

  • Page 82: Test Print

    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 1 1 1 1 5 5 5 5 5 1. Press the...
  • Page 83 Oki Data CONFIDENTIAL COLOR Y:ON M:ON C:ON K:ON 3 3 3 3 3 4. Test print will be executed under the values set in Steps 2 and 3 by pressing the key when [PRINT EXECUTE] is displayed in the bottom row of the display.
  • Page 84 Oki Data CONFIDENTIAL Pattern 5 Pattern 6 Pattern 7 84 / 41955801TH Rev.8...
  • Page 85 Oki Data CONFIDENTIAL • The following messages appear during print operation. P=*** T=*** U=***[###] H=***% L=***[###] 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)

  • Page 86: Initializing Nvm

    Oki Data CONFIDENTIAL 3.1.2.6 Initializing NVM This self-diagnosis is used for initializing non-volatile memory. 1 1 1 1 1 5 5 5 5 5 1. Press the keys until the self-diagnostic (Level 1) mode is entered and [NV-RAM INITIAL] 1 1 1 1 1 5 5 5 5 5 is displayed in the top line.

  • Page 87: Displaying The Consumables Counter

    Oki Data CONFIDENTIAL 3.1.2.7 Displaying the consumables counter This self-diagnosis is used for displaying the consumed status of consumables. 1 1 1 1 1 5 5 5 5 5 1. Press the keys until the normal self-diagnostic mode is entered and [CONSUMABLE...

  • Page 88: Panel Display Details

    Oki Data CONFIDENTIAL 3.1.2.9 Panel display details Panel display Panel Display Details BLANCE ERROR Balance error BELT LIFE OVER Belt life over BELT REFLECTION ERROR Belt reflection error BELT UNIT FUSE CUT ERROR Belt unit fuse cut error BLACK DENSITY CALIB ERROR...
  • Page 89 Oki Data CONFIDENTIAL Panel Display Details DRIVE MOTOR OVER HEAT DRIVE MOTOR OVER HEAT DUPLEX I/F ERROR DUPLEX I/F ERROR DUPLEX TYPE MISMATCH DUPLEX TYPE MISMATCH DUPLEX UNIT OPEN(PX713) DUPLEX UNIT OPEN(PX713) ENGINE BOARD FAN MOTOR ERROR ENGINE BOARD FAN MOTOR ERROR...
  • Page 90 Oki Data CONFIDENTIAL Panel Display Details JAM TRANSPORT Transport jam JOB OFFSET HOME ERROR(PX713) JOB OFFSET HOME ERROR(PX713) LED HEAD OVER HEAT LED HEAD OVER HEAT LIFT ERROR TRAY1(PX713) LIFT ERROR TRAY1(PX713) LIFT ERROR TRAY2(PX713) LIFT ERROR TRAY2(PX713) LIFT ERROR TRAY3(PX713)
  • Page 91 Oki Data CONFIDENTIAL Panel Display Details PAPER NEAR END TRAY4 PAPER NEAR END TRAY4 PAPER NEAR END TRAY5 PAPER NEAR END TRAY5 PAPER PILE OUT OF TRAY Paper transport error PAPER SIZE ERROR PAPER SIZE ERROR POWER SUPPLY FAN MOTOR ERROR...
  • Page 92 Oki Data CONFIDENTIAL Panel Display Details CYAN REGISTRATION OUT RIGHT CYAN REGISTRATION OUT RIGHT CYAN SENSOR ERROR LEFT CYAN SENSOR ERROR LEFT CYAN SENSOR ERROR RIGHT CYAN SENSOR ERROR RIGHT CYAN TONER EMPTY CYAN TONER EMPTY CYAN TONER LOW CYAN TONER LOW...

  • Page 93: Various Print Jobs With Single Printer Unit Attached With A Controller

    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”...

  • Page 94: Adjustment After Replacing Parts

    Re-mounting the EEPROM used on the board before the replacement. *Note 2 Network information initialization described in section 3.2.6, in replacing CUs containing Oki LAN8100e. Oki LAN8100e (HMN Board) Network information initialization described in section 3.2.6. Shutter Setting the correction value of the calibration chip for detecting density.

  • Page 95: Replacing Eeprom After Replacing The Cu Board

    Oki Data CONFIDENTIAL Note: Life data for consumables such as belt, toner, and ID is cleared when replacing EEPROM, therefore, be cautious as there will be a tolerance in life management upon replacing the unit in the future. The following count will be cleared when replacing EEPROM.

  • Page 96: Recovery Flash Rom Data On Cu Board

    (2) When a network cable is connected to the printer, plug off the cable from the connector on the printer side. (3) While holding the black push switch ([Test] button) of Oki LAN8100e down, turn the printer on. The black push switch should be held down until “NETWORK INITIALIZING” (the network is being initialized) appears on the upper display and “WAIT A MOMENT”...

  • Page 97: Paper Thickness Detection Sensitivity Adjustment And Media Thickness Detection Value Check

    No file required No file required The interface port must be checked for its Win9x Series bidirectional setting. (95/98/Me) USB driver Oki USB Driver for With the insertion of a USB, installation screen Win98.exe display is provided. Centronics Inapplicable Win2000/XP...

  • Page 98: Setting

    Refer to 3.4.1 Applicable Operating Systems and Interfaces, and File Required. • When a USB is used with a Win9x series (Win95/98/Me), the USB driver “Oki USB Driver for Win98.exe” must be installed. (5) Power on the printer. Wait until the printer is placed on-line.
  • Page 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: Media Setting

    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 Sheets (42404301) PX713 PX711...

  • Page 101: Sensitivity Adjustment

    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 ADJUSTMM screen and the Adjust Munsell &...

  • Page 102: Actions For Ng Sensitivity Adjustment

    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 the flow chart shown below.

  • Page 103: Inputting The Density Of The Calibration Chip For Density Detection

    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 reset when Sheet Color, density sensor, or PU sensor is replaced.
  • Page 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 ADJUSTMM screen and the Adjust Munsell &...

  • Page 105: Electronic Serial Number Input

    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 printer is replaced with a new one.

  • Page 106: Regular Maintenance

    Oki Data CONFIDENTIAL REGULAR MAINTENANCE 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 Time of Replacement...

  • Page 107: Troubleshooting Procedures

    Oki Data CONFIDENTIAL TROUBLESHOOTING PROCEDURES 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 close to that upon generating the problem.

  • Page 108: Preparing For Troubleshooting

    Oki Data CONFIDENTIAL 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. Troubleshooting Procedure Confirm the problem in the following method when the printer generates a problem.

  • Page 109: Lcd Message List

    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 the error code appears in the bottom line in the LCD.
  • Page 110 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarm (2/6) Message Cause Error Description Solutions Service Call Flash File SYSTEM Failed access to Flash set directly on CU Press ), 3, 5, 6 to turn power ON, 042: Error Error board. release buttons when...
  • Page 111 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarm (3/6) Message Cause Error Description Solutions Service Call Option unit for different Is a proper option unit for the printer set? Set proper option unit. 110: Error model detected. Check connections and turn power ON.
  • Page 112 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarm (4/6) Message Cause Error Description Solutions Service Call Error detected by toner 1) Is error message displayed? Replace toner sensor or assembly 160: Y Toner sensor. (Y71-PWB). 161: M Toner 2) Does error reoccur? Same as above.
  • Page 113 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarm (5/6) Message Cause Error Description Solutions Reset belt Same unit not detected 1) Is error message displayed? Check set condition of belt unit. 330: Belt error upon power ON or 2) Is belt unit set properly? Reset belt unit and turn power ON closing cover.
  • Page 114 Oki Data CONFIDENTIAL Table 5-1-1 Operator Alarm (6/6) Message Cause Error Description Solutions Open top cover Jam generated in paper Open front cover and check jammed paper. Remove jammed paper. 389: Paper jam path. Check MP tray Paper jam during paper...

  • Page 115: Preparing For Troubleshooting

    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. Problem Flow Chart No. The printer does not function properly after power ON.

  • Page 116: The Printer Does Not Function Properly After Power On

    Oki Data CONFIDENTIAL 1 The printer does not function properly after power ON. • Turn the power OFF then ON. • displayed? (Approx. 1 sec.) • Is the AC cable connected properly? No Connect the AC cable properly. • Yes Is +5V output to the panel connector (OPTN connector) on the engine board (K7N/K7V...

  • Page 117: Feed Jam (1St Tray)

    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. • Does the sensor lever (entrance cassette sensor or entrance MT sensor) function properly? Replace the faulty sensor lever.

  • Page 118: Feed Jam (Multipurpose Tray)

    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. • Does the sensor lever (entrance MT sensor) function properly? Replace the faulty sensor lever.

  • Page 119: Path Jam

    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. • Does the light sensor lever function properly? Replace the light sensor lever.

  • Page 120: Exit Jam

    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. • Does the paper exit sensor lever function properly? •...

  • Page 121: Duplex Jam

    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. • Do the duplex unit entrance sensor, rear sensor, and sensor lever of the front sensor function properly? Replace the faulty sensor lever.

  • Page 122: Paper Size Error

    Oki Data CONFIDENTIAL 3 Paper size error • Is paper of regulated size being used? Use paper of regulated size. M • Is a jam detected by the entrance FF sensor or paper width sensor? Yes Remove the jammed paper.
  • Page 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? • Is the ID motor resistance within the regulated value (approx. 8.6Ω)? Replace the faulty IDU motor.

  • Page 124: Fuser Unit Error

    Oki Data CONFIDENTIAL 5 Fuser unit error • Do fuser errors occur right after power ON? • Yes Is the heat roller thermister disconnected or generating a short circuit? (See Fig. 5-1) (Approx. 190k-980kΩ in room temperature of 0-43 degrees Celsius.) •...
  • Page 125 Oki Data CONFIDENTIAL 6 Motor fan error • Does the low-voltage power fan rotate at power ON? • Is 34V being output to the fuse F7 of the engine board K7N, or to the fuse F3 of the engine board K7V? •...

  • Page 126: Troubleshooting For Abnormal Images

    Oki Data CONFIDENTIAL 5.5.3 Troubleshooting for abnormal images Apply remedies according to the following table when printed images are abnormal as shown below. Abnormal Image Flowchart No. The entire image is faint or the color is irregular. (Figure 5.2- A ) The white portion is dirty.

  • Page 127: 41955801Th Rev.8

    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?) Refill toner. M • Is regulated paper used? Use regulated paper.
  • Page 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. M • Is the roller in the fuser unit dirty? Yes Replace the fuser unit.
  • Page 129 Oki Data CONFIDENTIAL 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)? Connect the cables, connect the LED assembly to the connection board (Y73 PWB), and engine board properly.
  • Page 130 Oki Data CONFIDENTIAL 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)? Connect the LED head assembly to the connection board properly.
  • Page 131 Oki Data CONFIDENTIAL 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. M • Is the LED head assembly connected to the connection board (Y73 PWB) properly? Connect the LED head assembly to the connection board (Y73 PWB) properly.
  • Page 132 Oki Data CONFIDENTIAL Poor Fusing (Ink spreads or peels when touched with fingers) • Is regulated paper being used? Use regulated paper. M • Is the contact of the fuser unit connected properly? Connect the contact of the fuser unit properly.
  • Page 133 Oki Data CONFIDENTIAL Consistent abnormality (Figure 5.2- E ) Consistency Problem Remedy 94.2 mm Image Drum Replace the ID unit. 63.6 mm Developing Roller Replace the ID unit. 57.8 mm Toner Supply Roller Replace the ID unit. 44.0 mm Charge Roller Replace the ID unit.
  • Page 134 Oki Data CONFIDENTIAL Color detaches. • Is the LED head dirty? YES Clean the LED head. M • Is the LED head assembly connected to the connection board (Y73 PWB) properly? Check the connection cable between the LED head and connection board, then connect properly.
  • Page 135 Oki Data CONFIDENTIAL Color irregularity • [Toner Low] is displayed. YES Refill toner. Did the printer recover? YES End. M • 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 Oki Data CONFIDENTIAL M • [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, and recover cleaning capability.
  • Page 137 Oki Data CONFIDENTIAL • [Yellow/Magenta/Cyan Left/Right/Horizontal] display • YES Replace the belt unit. Did the printer recover? YES End. • Replace the ID unit. Did the printer recover? YES End. • Is the gear abnormal? (Gear assembly such as I/D, multipurpose tray, belt unit, belt motor.) YES Replace the damaged gear assembly.
  • Page 138 Oki Data CONFIDENTIAL Color irregularity compared with the original • Is the LED head lens dirty? YES Clean the LED head lens. M • Is the LED head assembly connected to the connection board (Y73 PWB) properly? Check the cable between the LED assembly and connection board and connect properly.
  • Page 139 Oki Data CONFIDENTIAL Paper thickness error (Err Code 323, 324) • Is the sensor connector connected? Connect the connecter. M • Is the sensor cable disconnected? Replace the cable. • Is +5V output to the PU board REG 13pin? Replace the PU board.
  • Page 140 Oki Data CONFIDENTIAL Ground Charge Roller Developing Roller Toner Supply Roller Figure 5.3 140 / 41955801TH Rev.8...

  • Page 141: Fuse Check

    Oki Data CONFIDENTIAL 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 2nd or 3rd TRY Hopping Error Option TRY 34V...

  • Page 142: Connection Diagram

    Oki Data CONFIDENTIAL CONNECTION DIAGRAM Resistance Checks 142 / 41955801TH Rev.8...
  • Page 143 Oki Data CONFIDENTIAL 143 / 41955801TH Rev.8...
  • Page 144 Oki Data CONFIDENTIAL 144 / 41955801TH Rev.8...
  • Page 145 Oki Data CONFIDENTIAL 145 / 41955801TH Rev.8...

  • Page 146: Program/Font Rom Layouts

    Oki Data CONFIDENTIAL Program/Font ROM Layouts (1) Print Engine Controller PWB a) (K7N PWB : 600dpi) SHUTTER HOPFF EEPROM FAN7 FAN5 FCOVER POWER PSIZE DUPLEX HVOLT 146 / 41955801TH Rev.8...
  • Page 147 Oki Data CONFIDENTIAL b) (K7N PWB : 1200dpi) SHUTTER HOPFF EEPROM FAN7 FAN5 FCOVER POWER PSIZE DUPLEX HVOLT 147 / 41955801TH Rev.8...
  • Page 148 Oki Data CONFIDENTIAL c) (K7V PWB : 600dpi) SHUTTER HOPFF FAN5 FCOVER POWER PSIZE DUPLEX HVOLT 148 / 41955801TH Rev.8...
  • Page 149 Oki Data CONFIDENTIAL (2) Main Controller PWB a) (TIG-3) PUIF PCICU EEPROM CENT 149 / 41955801TH Rev.8...
  • Page 150 Oki Data CONFIDENTIAL b) (HME) PUIF PCICU EEPROM CENT 150 / 41955801TH Rev.8...
  • Page 151 Oki Data CONFIDENTIAL (3) LED Control PWB a) (Y73-1 PWB:600dpi) OPTN b) (Y7X-1 PWB:1200dpi) HEAD32 HEAD34 (4) Duplex Control PWB (V71--N PWB) FSNS (5) Control Panel PWB (X7N PWB) IC501 151 / 41955801TH Rev.8...
  • Page 152 Oki Data CONFIDENTIAL (6) N71 PWB JODEN (7) Entrance Sensor PWB (R71 PWB) INSNS2 INSNS1 WRSNS (8) Paper Size Sensing PWB (PXC PWB) CN11 152 / 41955801TH Rev.8...
  • Page 153 Oki Data CONFIDENTIAL (9) High voltage power supply PWB (10) Low voltage power supply PWB CN4-2 (CN6-2) CN4-1 (CN6-1) ACIN 153 / 41955801TH Rev.8...

  • Page 154: Appendix A Interface Specifications

    Oki Data CONFIDENTIAL APPENDIX A INTERFACE SPECIFICATIONS Parallel Interface Specifications 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 Parallel Interface Connector and Cable 1) Connector...

  • Page 155: Timing Charts

    Oki Data CONFIDENTIAL Timing Charts Compatible mode a) Data receiving timing PARALLEL DATA (DATA BITs 1 to 8) 0.5 s min. 0.5 s min. 0.5 s min. nStrobe 0.5 s min. 0.5 s max. BUSY 0 min. 0 min. nAck 0.5 s to 3 s...

  • Page 156: Parallel I/F Signals

    Oki Data CONFIDENTIAL 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 Nstrobe (HostClk) Pulse for reading data in at trailing edge. DATA 1 DATA 2 DATA 3 8-bit parallel data.

  • Page 157: Universal Serial Bus (Usb) Interface Specifications

    Oki Data CONFIDENTIAL Universal Serial Bus (USB) Interface Specifications 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 USB Interface Connector and Cable...

  • Page 158: 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 159: 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. 159 / 41955801TH Rev.8...

  • Page 160: 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 161: Appendix C C7100/7300/7350/9300/9500 Series Error Messages

    Oki Data CONFIDENTIAL APPENDIX C C7100/7300/7350/9300/9500 SERIES ERROR MESSAGES C7100/7300/7350/9300/9500 Series (Error messages) (Caution) * : Raise in the factory mode only. ** : Not raise in the standard config machines. LCD Messages Description Comments Code Ready Atten POWER OFF/ON Blink A network error is occurring.
  • Page 162 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten CHECK BELT UNIT Blink The belt unit is not correctly installed. 330:BELT UNIT MISSING CHECK IMAGE DRUM Blink The drum is not correctly installed. 340:YELLOW DRUM MISSING CHECK IMAGE DRUM...
  • Page 163 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten CHECK DUPLEX Blink Jam has occurred nearby DUPLEX 370:PAPER JAM unit.(Duplex Reversal) CHECK DUPLEX Blink Jam has occurred nearby DUPLEX 371:PAPER JAM unit.(Duplex Input) CHECK DUPLEX Blink Jam has occurred nearby DUPLEX 372:PAPER JAM unit.(Duplex Missfeed)
  • Page 164 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten INSTALL NEW TONER Blink Toner of (Yellow/Magenta/Cyan/Black) 410:YELLOW TONER EMPTY ends. Warning status takes effect at Cover INSTALL NEW TONER Blink Open/Close, while allowing printing at 411:MAGENTA TONER EMPTY least 20 pages...
  • Page 165 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten REMOVE THE PAPER Blink Paper that cannot be used in the tray is 450:TRAY1 UNSUITABLE SIZE set. (It takes a while until the status appears after you have closed the tray...
  • Page 166 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten CHANGE PAPER TO Blink The size of paper or media type in the mmmmmmmmm/ppppppp tray does not match the print data. 465:TRAY5 MEDIA MISMATCH Load mmmmm/ppppp paper in the tray...
  • Page 167 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten CHECK PAPER CASSETTE Blink Print request was made to Tray1~5, to 520:TRAY1 LIFT UP ERROR which Tray Lift Up Error has occurred. Lift Up Retry will take place when the...

  • Page 168: C7100/7300/7350/9300/9500 Series (Error Messages : Related To Color, Media Detect)

    Oki Data CONFIDENTIAL C7100/7300/7350/9300/9500 Series (Error messages : Related to Color, Media Detect) (Caution) * : Raise in the factory mode only. LCD Messages Description Comments Code Ready Atten Varies Varies Executing Auto Color Adjusting COLOR ADJUSTING Varies Varies Executing Auto Density Adjustment...
  • Page 169 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten DENSITY COLOR SENSOR Varies Light Density Adjustment Color Sensor ERROR Error.Error that does not occur at user level.Displayed only in FactoryMode. DENSITY BLACK Varies Light Density Adjustment Black Calibration CALIBRATION ERROR Error.Error that does not occur at user...
  • Page 170 Oki Data CONFIDENTIAL LCD Messages Description Comments Code Ready Atten REGISTRATION SENSOR Varies Light Registration Sensor Error(Magenta) ERROR3 This is not user-level error. REGISTRATION SENSOR Varies Light Registration Sensor Error(Cyan) ERROR4 This is not user-level error. REGISTRATION SENSOR Varies Light...

  • Page 171: C7100/7300/7350/9300/9500 Series (Warning Messages : Related To Usage, Media)

    Oki Data CONFIDENTIAL C7100/7300/7350/9300/9500 Series (Warning messages : Related to usage, media) LCD Messages Description Comments Code Ready Atten Varies Varies The paper in the selected tray is near ttttt NEAR END end. Varies Light Toner amount is low. Displayed in a...

  • Page 172: C7100/7300/7350/9300/9500 Series (Warning Messages : Job Account)

    Oki Data CONFIDENTIAL C7100/7300/7350/9300/9500 Series (Warning messages : Job Account) LCD Messages Description Comments Code Ready Atten FILE ACCESSING Varies Varies Accessing the File System (HDD/FLASH) on the CU board. CANCELLING(USER DENIED) Blink Varies Job cancellation due to no print permit.

  • Page 173: C7100/7300/7350/9300/9500 Series (Other Warning)

    Oki Data CONFIDENTIAL C7100/7300/7350/9300/9500 Series (Other Warning) (Caution) * : Raise in the factory mode only. LCD Messages Description Comments Code Ready Atten DISK FILE SYSTEM IS FULL Varies Light Disk-full is occurring. Because this is a temporary warning, it remains until the...
  • Page 174 Oki Data CONFIDENTIAL In case of occourrence of Disk Operation Error, error numbers will be displayed according to individual errors as follows: Errors LCD Display PJL Status Code GENERAL ERROR DISK FILE OPERATION FAILED 0 32000 VOLUME NOT AVAILABLE DISK FILE OPERATION FAILED 1...
  • Page 175 Oki Data CONFIDENTIAL Main Assembly(1/3) 39, 40, 41, 42 41955801TL Rev.8...
  • Page 176 Oki Data CONFIDENTIAL Main Assembly(2/3) 41955801TL Rev.8...
  • Page 177 Oki Data CONFIDENTIAL Main Assembly(3/3) 41955801TL Rev.8...

  • Page 178: Top Cover Assembly

    Oki Data CONFIDENTIAL Top Cover Assembly 20(1200dpi) 11(600dpi) 7 (600dpi) 12,13 (1200dpi) 8 (600dpi) 12,13 (1200dpi) 9 (600dpi) 12,13 (1200dpi) 10 (600dpi) 12,13 (1200dpi) 41955801TL Rev.8...
  • Page 179 Recommended Q'ty/Year Q'ty Parts No. Name Remarks /Unit Rev A Print Engine Controller PWB 41960402 600dpiRev A (K7N) Print Engine Controller PWB 42433201 600dpi(VE)Rev B (K7V) Print Engine Controller PWB 41960406 1200dpi(C7550) (K7N) Print Engine Controller PWB 42433206 600dpi(C7350) (K7V) 19 40197102 Electrical Chassis Cooling Fan 20 40864901...
  • Page 181 Rev A & B 41997101 Oki LAN 7300e/MLETB11 ODA/OEL/APS 42507701 Oki LAN 8100e/MLETB12 ODA Rev B only 42507702 Oki LAN 8100e/MLETB12 OEL/APS 41376019 HDD Ass y for Mainte 10GB or more 46 41278601 Guide-Rail(A) 47 41278701 Guide-Rail(B) 48 41410201 Motor-Fan for CU...
  • Page 182 OLD Version xxxA xxxxxxx NEW Version xxxB xxxxxxx or 2 1 2 A 1 0 0 4 7 0 2 SAP system serial No. N31033C -D Made in Thailand 41955801TR_R010...
  • Page 183 Oki Data CONFIDENTIAL Top Cover Assembly 20(1200dpi) 11(600dpi) 7 (600dpi) 12,13 (1200dpi) 8 (600dpi) 12,13 (1200dpi) 9 (600dpi) 12,13 (1200dpi) 10 (600dpi) 12,13 (1200dpi) 41955801TL Rev.8...
  • Page 184 Recommended Q'ty/Year Q'ty Parts No. Name Remarks /Unit C7300 42542731 Control Panel Bezel 1200d p i(ODA)C7500 42542732 Control Panel Bezel 600d p i(OEL)C7350 42542733 Control Panel Bezel 1200d p i(ODA)C7550 2381003P0014 Control Panel Tape Harness 19 40861501 Ej ect Guide Assy 42167601 Cord Ass y Head 1200d p i...
  • Page 185 Oki Data CONFIDENTIAL Printer Unit Chassis(1/2) 41955801TL Rev.8...
  • Page 186 Oki Data CONFIDENTIAL Printer Unit Chassis(2/2) 41955801TL Rev.8...
  • Page 187 Oki Data CONFIDENTIAL Paper Tray Guide C’ C’ 41955801TL Rev.8...
  • Page 189 Oki Data CONFIDENTIAL Duplex Unit 41955801TL Rev.8...
  • Page 191 Oki Data CONFIDENTIAL 2nd/3rd Tray 10 / 10 41955801TL Rev.8...

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