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Oki C810 Maintenance Manual

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No.01
C810

Maintenance Manual

(ODA/OEL/AOS)
[Rev.1]
Related drawings
Drawing No.
44072901TL
C810 Disassembly For Maintenance
44072901TR
C810 RSPL
BOM
Use for
Rev
Date
DCO No.
Approval
Takashi Wakana
Check
Xxxxx Xxxxx
Date
2009-02-25
Name
Certification Body
Contents
Design
Takashi Wakana
Name
Drawing No.
Oki Data CONFIDENTIAL
Design
Approval
C810
Maintenace Manual
1
44072903TH
221

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  • Page 1: Maintenance Manual

    Oki Data CONFIDENTIAL No.01 C810 Maintenance Manual (ODA/OEL/AOS) [Rev.1] Related drawings Drawing No. Name 44072901TL C810 Disassembly For Maintenance 44072901TR C810 RSPL Use for Certification Body Date DCO No. Contents Design Approval Approval Takashi Wakana Design Takashi Wakana Name C810...
  • Page 2 Document Revision History Oki Data CONFIDENTIAL Document Revision History Corrected Items Rev. Person in Date charge Corrected Items Page Description of change Rev. Person in Date charge Page Description of change 2009-02-25 Issue T. Wakana 44072903TH Rev.1...
  • Page 3 Note! • The contents of this manual are subject to changes without prior notice. • Despite that exhaustive efforts were made in preparing the manual to make it accurate, it still may contain errors. Oki Data will not hold itself liable for any damage that results or is claimed to have resulted from repair, adjustment, or modification of the printer conducted by the user using this manual.
  • Page 4 INDEX Oki Data CONFIDENTIAL INDEX 1. CONFIGURATION .............7 4. REPLACEMENT OF PARTS ...........54 System Configuration..................8 Notes on replacement of parts................55 1.2 Printer configuration .................... 9 4.2 Part replacement procedure ................57 Composition of optional items ................10 4.2.1 Belt unit ....................... 57 Specifications ....................
  • Page 5 INDEX Oki Data CONFIDENTIAL 5. MAINTENANCE MENUS ..........112 7. TROUBLESHOOTING PROCEDURES ......147 System maintenance menu (For maintenance personnel) ......113 Precautions prior to repair ................148 5.2 Maintenance utility ...................114 Items to be checked prior to taking action on abnormal images ....148 5.3 Functions of user's maintenance menu ............117...
  • Page 6 INDEX Oki Data CONFIDENTIAL 7.5.3. (8) Cannot Print .................. 203 7.5.5 Network Troubleshooting ................204 Check of fuses ....................205 Paper cassette switches versus Paper size correspondence table ....206 8. CONNECTION DIAGRAMS ........... 207 Check of resistance values ................208 8.2 Component layout ...................
  • Page 7 Oki Data CONFIDENTIAL CONFIGURATION System Configuration ..............8 Printer configuration ..............9 Composition of optional items ........... 10 Specifications ................11 Interface specifications .............. 14...

  • Page 8: System Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.1 System Configuration Figure 1-1 represents the system configuration of the printer. Cover Paper Duplex Front Rear Bottom Hopping open size SW sensor sensor sensor sensor sensor sensor sensor DUPLEX sensor Clutch Feed clutch Separator...

  • Page 9: Printer Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.2 Printer configuration The internal part of the printer is composed of the following sections: • Electrophotographic processing section • Paper paths • Control sections (CU sect./PU sect.) • Operator panel • Power supply sections (High-voltage sect./low-voltage sect.) Figure 1-2 represents the configuration of the printer.

  • Page 10: Composition Of Optional Items

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.3 Composition of optional items (3) Cabinet with wheels The following optional items are available for the printer. (1) Expanded tray Model name : CAB-S1 (2) Duplex-Unit 10 / 44072903TH Rev.1...

  • Page 11: Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.4 Specifications Division Item Contents Division Item Contents External Width 485mm Power Power input 120VAC ± 10% 230VAC± 10% dimensions consumption Depth 593mm Power-save 15W or less mode Height 345mm Idle 200W (Average) Mass Approx. 40kg...
  • Page 12 1. CONFIGURATION Oki Data CONFIDENTIAL Division Item Contents Division Item Contents Duration Printer life 5 years or 600,000 pages Paper Delivery 250 sheets (70kg) face-down/ handling 100 sheets (70kg) face-up in tray Print duty Max. 50,000 pages / mo. (M=L/12, Average 10,000 pages / mo.
  • Page 13 1. CONFIGURATION Oki Data CONFIDENTIAL Division Item Contents Division Item Contents Commu- Standard • Hi-Speed USB Other USB-IF logo Provided nication (On PCB) • Ethernet Windows logo Provided interface Option None Operation with Proper operation by use of a UPS (uninterruptible power...

  • Page 14: Interface Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5 Interface specifications 1.5.1 USB interface specifications (2) Cables Cable length : USB2.0 type cables 5 meters long or shorter. (Cables 2 meters 1.5.1.1 Outline of USB interface long or shorter are recommended). (Shielded cable lines shall be used.)

  • Page 15: Network Interface Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5.2 Network interface specifications 1.5.2.2 Network interface connectors and cables (1) Connectors 1.5.2.1 Outline of network interface 100 BASE-TX / 10 BASE-T (Automatically switched, not usable simultaneously) Basic specifications Connector pin assignment Network Protocols (2) Cables...

  • Page 16: Description Of Operation

    Oki Data CONFIDENTIAL DESCRIPTION OF OPERATION Electrophotographic process mechanism ......... 17 Printing process .................20...

  • Page 17: Electrophotographic Process Mechanism

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.1 Electrophotographic process mechanism (1) Electrophotographic process (2) Charging The electrophotographic process is explained briefly below: A voltage is applied to the charging roller, which is placed in contact with the OPC drum surface, to charge the OPC drum surface.
  • Page 18 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (4) Development (5) Transfer Toner adheres to the electrostatic latent image on the drum surface, thereby turning A sheet of paper is placed over the OPC drum surface, and an electric charge is the electrostatic latent image into a toner image.
  • Page 19 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (6) Fusing (7) Drum cleaning The toner image transferred on the paper is fused on the paper by heat and Unfixed toner remaining on the OPC drum is removed by the drum cleaning blade pressure when the paper passes through the heat roller and backup roller.

  • Page 20: Printing Process

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.2 Printing process The paper fed from Tray1, Tray2 or Tray3 is carried by the paper feed roller, the registration (1) Paper fed from 1st Tray roller L, and the transport roller. When the paper is fed from the MPT, it is carried by the MPT 1.
  • Page 21 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (2) Paper fed from MPT (3) Transport belt 1. As illustrated in Figure 2-3, when the solenoid is OFF, the registration motor 1. As the transport belt motor rotates in the direction of the arrow, the transport rotates (clockwise), transporting the paper until the IN2 sensor comes ON.
  • Page 22 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (4) Up/down-motions of ID units ID unit operations during color printing C-ID unit Down 1. The up/down-motions of the ID units take place driven by the lift-up motor. M-ID unit Down Y-ID unit Down 2.
  • Page 23 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL (5) Fuser unit and paper ejection (6) Cover-opening motion of the color registration sensor and the density sensor 1. As illustrated in Figure 2-8, the fuser unit and the eject roller are driven by the 1.
  • Page 24 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Outline of color registration correction The color registration is corrected by reading correction patterns that are printed on the belt with the color registration sensors located inside the sensor shutter under the belt unit.
  • Page 25 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Error checking methods and remedial methods The color registration correction test function among the other self-diagnostic functions is employed to check errors. (Section 5.3.2.6) Remedial methods against different errors • CALIBRATION (L or R), DYNAMICRANGE (L or R) Check 1: If the above indication appears, check the connected state of the sensor cable (FFC).
  • Page 26 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Outline of density correction The density is corrected by reading the correction pattern that is printed on the belt with the density sensor located inside the sensor shutter under the belt unit. Transport belt Automatic start timing of density correction: •...
  • Page 27 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Error checking methods and remedies Principle of toner sensor detection Toner LOW is detected by the toner sensor (Reflection sensor) installed inside the printer. The The density correction test function among the other self-diagnostic functions is employed shielding plate is mounted inside the ID and rotates in synchronization with toner agitation.

  • Page 28: Counter Specifications

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Counter specifications Total page count MPT page count Tray 1 page count Tray 2 page count Tray 3 page count Color page count Monochrome page count Description Total number of Number of print...
  • Page 29 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL A4/Letter conversion table Paper size Simplex Duplex CUSTOM Each count should increase, in relation to every sheet of paper, by the values in the table (210 < LENGTH < 900mm) below. CUSTOM (900mm ≤ LENGTH)

  • Page 30: Installation

    Oki Data CONFIDENTIAL INSTALLATION Cautions, and do’s and don’ts ........... 31 Unpacking procedure ..............32 Printer installation instructions ..........33 List of components and accessories .........34 Assembly procedure ..............35 Printing of the MENU MAP ............50 Connection methods ..............51 Checking of paper used by the user ..........53...

  • Page 31: Cautions, And Do's And Don'ts

    3. INSTALLATION Oki Data CONFIDENTIAL 3.1 Cautions, and do’s and don’ts • Do not install the printer in any high-temperature location or a near heat source. • If water or any other liquid enters the inside of the printer, remove the power plug from the power outlet and contact Customer Center.

  • Page 32: Unpacking Procedure

    3. INSTALLATION Oki Data CONFIDENTIAL 3.2 Unpacking procedure Personal injury may occur. Since the printer weights approximately 40 kg, it should be lifted by two or more people. • Remove the four handles from the sides of the box, as illustrated below, and lift the corrugated fiberboard box.

  • Page 33: Printer Installation Instructions

    3. INSTALLATION Oki Data CONFIDENTIAL 3.3 Printer installation instructions • Install the printer in a location where the following temperature and humidity are met: Plan view Ambient temperature: 10 - 32°C Ambient humidity: 20 - 80 % RH (relative humidity) 20cm Maximum wet-bulb temperature: 25°C...

  • Page 34: List Of Components And Accessories

    3. INSTALLATION Oki Data CONFIDENTIAL 3.4 List of components and accessories • Check to make sure that the components are free from damage, dirt or other Toner cartridges (one each of cyan, magenta, yellow, and black) installed in the printer irregularities in their appearance.

  • Page 35: Assembly Procedure

    3. INSTALLATION Oki Data CONFIDENTIAL 3.5 Assembly procedure 3.5.1 Assembly of the printer main unit (3) Remove the protective tapes (three places) from the back of the printer and the power unit. Removing the protective materials (1) Remove the desiccant and protective paper from the top of the printer.
  • Page 36 3. INSTALLATION Oki Data CONFIDENTIAL Installing the image drum cartridges (2) Put the image drum cartridge on newspaper or something, remove the tape holding the protective sheet, and pull the sheet out in the direction of the arrow. (1) Take out the image drum cartridge (four cartridges) gently.
  • Page 37 3. INSTALLATION Oki Data CONFIDENTIAL (5) Install the toner cartridges to the image drum cartridges. Note! • Do not force the toner cartridges into place. If the cartridges do not fit, check to see if the color of the lever on each of the toner cartridges corresponds to Note! The toner cartridges supplied with the product are capable of printing the color of the label on each of the image drum cartridges.
  • Page 38 3. INSTALLATION Oki Data CONFIDENTIAL Loading paper in the paper cassette (3) Fan the edges of paper stack and align the edges of the stack on a level surface. (1) Pull out the paper cassette. Note! Do not remove the rubber from the plate.
  • Page 39 3. INSTALLATION Oki Data CONFIDENTIAL Loading paper in the multi-purpose tray (5) Press the set button. (1) Open the multi-purpose tray and also the paper supporter. Set button Storing Quick Guide Multi-purpose tray Stick a bag for Quick Guide on the printer to store Quick Guide.

  • Page 40: Connecting The Power Cord

    3. INSTALLATION Oki Data CONFIDENTIAL 3.5.2 Connection of the power cable Connecting the power cord Power supply conditions Note! Ensure that the power switch is in OFF (O). • Observe the following conditions: (1) Insert the power cord into the printer.
  • Page 41 3. INSTALLATION Oki Data CONFIDENTIAL Turning off the power No use for a long time Note! Turning off the power without taking proper shutdown steps may damage Unplug the power cord when the printer will not be used for a long time, such as during long and disable the printer.

  • Page 42: Installation And Recognition Confirmation Of Options

    3. INSTALLATION Oki Data CONFIDENTIAL 3.5.3 Installation and recognition confirmation of options 2. Place the printer on an additional tray unit. Note! The printer weights approximately 40 kg. It should be lifted by two or more (1) Installation of an additional tray unit people.
  • Page 43 For Windows 2000, select [Start] - [Settings] - [Printers]. For Windows Server 2003, select [Start] - [Printers and Faxes]. Right-click the [OKI C810] or [OKI C810(XPS] icon and select [Properties]. Select [Obtain Printer Information] in (Screen of Windows XP) [Installable Options] on the [Device Settings] tab and click [Setup] or [Obtain Printer Information].
  • Page 44 3. INSTALLATION Oki Data CONFIDENTIAL Installation of a roller cabinet 1. Turn off the printer to remove the power cord and the printer cable. When placing the printer on the floor, it is recommended to use a roller cabinet. The printer main unit, or printer with additional trays can be set on the cabinet.
  • Page 45 3. INSTALLATION Oki Data CONFIDENTIAL 3. Place the printer on the stack of additional trays. 4. Install the support plate. Memo The plate can be installed only when two additional trays are used. It Personal injury may occur. cannot be installed for the printer main unit only when one additional tray is used.
  • Page 46 3. INSTALLATION Oki Data CONFIDENTIAL Push the OPEN button to open the top Unscrew the screw. Top cover cover. Note! The screw is used to install the support plate, so make sure to keep it. OPEN button Screw Install the support plate to the printer...
  • Page 47 3. INSTALLATION Oki Data CONFIDENTIAL 5. Attach anti-tip brackets. Attach the side cover of the printer. Fix the side cover with the screw. Close the top cover. Attach an anti-tip bracket (for the front side) to the left side of the cabinet with Close the front cover.
  • Page 48 3. INSTALLATION Oki Data CONFIDENTIAL Attach it to the left side with three Attach the rest of anti-tip brackets (for screws. each of the front side and the rear side) to the right side with the same steps through Screw...
  • Page 49 3. INSTALLATION Oki Data CONFIDENTIAL 6. Attach the anti-tip bracket covers. 7. Attach the power cord and cables to the printer and turn on the power. Attach covers to the anti-tip brackets by sliding the covers (six places). 8. Check that the additional trays are correctly attached, and set up the additional trays in the computer.

  • Page 50: Printing Of The Menu Map

    3. INSTALLATION Oki Data CONFIDENTIAL 3.6 Printing of the MENU MAP Check that the printer operates correctly. Sample (1) Load A4 paper in Tray. (2) Press the menu select button several times until [Information Menu] appears. (3) Press the ENTER button until [Print Menu Map/Execute] appears.

  • Page 51: Connection Methods

    3. INSTALLATION Oki Data CONFIDENTIAL 3.7 Connection methods <USB connection> Connecting the computer to the printer Note! Refer to the user’s manual for operating environment. (1) Plug the USB cable into the USB interface connector of the printer. (2) Plug the USB cable into the USB interface connector of the computer.
  • Page 52 3. INSTALLATION Oki Data CONFIDENTIAL <Ethernet cable connection> Switching off the printer and the computer Note! Refer to the user’s manual for operating environment. Connecting the computer to the printer (1) Plug the Ethernet cable into the network interface connector of the printer.

  • Page 53: Checking Of Paper Used By The User

    3. INSTALLATION Oki Data CONFIDENTIAL 3.8 Checking of paper used by the user Load the media used by the user in the printer, make media weight/media type settings, execute menu map /demo printing, and check the printout to make sure that no toner flakes off.

  • Page 54: Replacement Of Parts

    Oki Data CONFIDENTIAL REPLACEMENT OF PARTS This chapter describes the procedures of the field replacement of parts, assemblies and units. The procedures are to detach them. Reverse the procedures to attach them. The reference part numbers used in this manual (such as ) do not identical to the part numbers in the maintenance disassembly configuration diagram 44015503TL and the RSPL 44015503TR.

  • Page 55: Notes On Replacement Of Parts

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.1 Notes on replacement of parts (1) Prior to replacing a part, unplug the AC cord and the interface cable. (2) Do not disassemble the printer so long as it operates properly. (a) Be sure to use the following procedure to unplug the AC cord: (3) Minimize disassembly.

  • Page 56: Maintenance Tools

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Maintenance Tools: Table 4-1-2 shows the tools necessary to use Maintenance Utility software. Table 4-1-2: Maintenance Tools Table 4-1-1 shows the tools necessary to replace printed-circuit boards and units: Maintenance Tool Quantity Remarks...

  • Page 57: Belt Unit

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2 Part replacement procedure This section describes the procedure for replacing the parts and assemblies shown in the (3) Turn the two lock handles (blue) of the belt unit in the direction of the arrows disassembly diagram.

  • Page 58: Fuser Unit

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.2 Fuser unit (1) Open the top cover. (2) Pull the fuser unit lock lever (blue) in the direction of the arrow and detach the fuser unit Top cover Fuser unit lock lever...

  • Page 59: Left Side Cover

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.3 Left side cover (4) Remove the screw (silver-colored) to detach the left side cover (tool number 1). (1) Open the top cover. (2) Open the multi-purpose tray. (3) Open the front cover.

  • Page 60: Right Side Cover

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.4 Right side cover (1) Open the top cover. (2) Open the multi-purpose tray. (3) Open the front cover. (4) Loosen the screw and detach the right side cover (tool number 1). Top cover...

  • Page 61: Rear Cover Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.5 Rear cover Assy. (3) Sliding the rear cover Assy in the direction of the arrow, detach it. (1) Pull out the duplex unit (2) Remove the two screws (silver-colored) (tool number 1).

  • Page 62: Led Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.6 LED Assy. (1) Open the top cover. (2) Remove the FFC cables. As shown in diagram (1), applying force in the direction of Top cover the arrow, unlatch the portion A, and then the portion B, to detach the LED Assy.

  • Page 63: Main Controller Pcb, Image Drum Motor, Image Drum Lift-Up Motor And Feed Motor

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.7 Main controller PCB, image drum motor, image (4) Remove the FFC cables of the LED heads, the RFID FFC cable and the power supply connector drum lift-up motor and feed motor (1) Open the top cover.
  • Page 64 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Remove the five screws (silver-colored) to detach the main controller PCB (6) Remove the four screws (silver-colored) to detach the image drum motor (tool number 1). 64 / 44072903TH Rev.1...
  • Page 65 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (7) Remove the two screws (silver-colored) and the cable to detach the feed (8) Remove the two screws (silver-colored) and the cable to detach the image motor drum lift-up motor 65 / 44072903TH Rev.1...

  • Page 66: Print Engine Controller Pcb

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.8 Print engine controller PCB (3) Remove the all the connectors and the two screws (silver-colored) to detach the print engine controller PCB (tool number 1). (1) Remove the plate shield Assy. (see section 4.2.7, (1) through (3)).
  • Page 67 Relay board High-voltage board Low-voltage power supply 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Option (duplex-second) Operator panel M image drum Paper feed clutch Low-voltage power supply fan Shutter clutch fuser-end cooling fan Toner sensor board (ORZ) M fuser...

  • Page 68: Top Cover Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.9 Top cover Assy. (6) Remove the screw (silver-colored) and the cable Assy.-LED heads (tool number 1). (1) Remove the left side cover (see section 4.2.3). (2) Remove the right side cover (see section 4.2.4).
  • Page 69 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (8) Remove the five screws (silver-colored) and slide out the main controller PCB (9) Remove the screw (silver-colored), the two E-shaped retainer rings and the two Assy. rearward (tool number 1) (see section 4.2.7, (7)).

  • Page 70: Top Cover

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.10 Top cover (3) Remove the screw and the cable Assy.-LED heads Remove the film contact. (1) Remove the top cover Assy. (see section 4.2.9). (2) Remove the eleven screws (black) , the three screws (black)

  • Page 71: Operator Panel Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.11 Operator panel Assy. (7) Unlatch the operator panel cover Assy. at the two points A to remove it and, at the same angle as shown left below, remove the operator panel cover (1) Open the top cover.

  • Page 72: Board Prp

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.12 Board PRP (3) As shown in diagram (2), unlatch the operator panel cover Assy. at the three points B, remove the board PRP , the LCD button and the button key (1) Open the top cover.

  • Page 73: Shaft-Ejection Assy. (Fu) And Shaft-Ejection Assy.(Fd)

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.13 Shaft-ejection Assy. (FU) and shaft-ejection Assy. (3) Remove the gears-idler-ejection (FD) (1) Remove the rear cover Assy. (see section 4.2.5). (2) Remove the screw (silver-colored) to remove the guide-ejection-Assy.-upper (4) Remove the two molded E-shaped rings and warp and detach the shaft-ejection Assy.

  • Page 74: Guide-Ejection Assy.-Lower, Color-Registration Assy. And Relay Board (P6Y)

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.14 Guide-ejection Assy.-lower, color-registration Assy. (4) Remove the two screws (silver-colored) to remove the auxiliary Assy. and relay board (P6Y) (1) Remove the left side, right side and rear covers, the top cover Assy., the print engine controller PCB and the guide-ejection Assy.-upper (see sections 4.2.3, 4.2.4,...
  • Page 75 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Remove the eleven screws (silver-colored) to remove the cover plate (6) Remove the right and left FFC connectors and the two connectors from the relay board (P6Y) , and the connector from the color-registration Assy Remove the five screws (silver-colored) to detach color-registration Assy.
  • Page 76 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (7) Remove the screw (silver-colored) to remove the contact Assy. (tool number 1). (8) Remove the two connectors , and the FFC connector and the two screws (silver-colored) to detach the relay board (P6Y) .
  • Page 77 Fuser release sensor ]and exist sensor ⑲ 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL P6Y board Fuser interface connector PU interface connector Left color registration Right color registration adjustment sensor PCB adjustment sensor PCB Fuser entrance sensor (PRC PCB) (PRC PCB)

  • Page 78: Fan (Fuser), High-Voltage Power Supply Board, Contact Assy Fuser Sensor Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.15 Fan (fuser), high-voltage power supply board, (3) Remove the two screws (black) and the screw (silver-colored) , unlatch the high-voltage power supply board at the eight points, remove the belt thermistor contact Assy., fuser sensor Assy.
  • Page 79 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (4) Remove the four screws (silver-colored) to detach the contact Assy. (5) Remove the screw (silver-colored) to remove the fuser sensor Assy. (tool number 1). 79 / 44072903TH Rev.1...

  • Page 80: Mpt Assy., Mpt Hopping Roller, Separator And Pick-Up Roller

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.16 MPT Assy., MPT hopping roller, separator and (4) Turn the separator Assy. frontward around its two support points to disengage the Assy. at the points to detach the separator and the two springs pick-up roller (1) Remove the paper cassette.

  • Page 81: Registration Roller Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.17 Registration roller Assy. (6) Remove the two screws (silver-colored) to remove the gear cover (1) Remove the operator panel Assy. (see section 4.2.11). (2) Remove the motor (see section 4.2.7, (8)). (3) Remove the left side cover (see section 4.2.3).

  • Page 82: Gear Box, Registration/Hopping Roller Assy. And Solenoid

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.18 Gear box, registration/hopping roller Assy. and (3) Remove the screw solenoid (1) Remove the registration roller Assy. (see section 4.2.17). (2) Unclamp the cable from the solenoid and remove the screw (silver-colored) to detach the solenoid.
  • Page 83 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (4) Remove the two screws (silver-colored) to remove the cable cover (5) Remove the two screws (silver-colored) and lift out the gear box 83 / 44072903TH Rev.1...
  • Page 84 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (6) Remove the four screws (silver-colored) , and pull up the hopping roller Assy. toward the front of the printer (tool number 1). 84 / 44072903TH Rev.1...

  • Page 85: Holder-Switch Assy., Low-Voltage Power Supply Fan And Low-Voltage Power Supply

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.19 Holder-switch Assy., low-voltage power supply fan (4) Remove the image drum motor (see section 4.2.7, (6)). (5) Remove the reinforcement plate (see section 4.2.8, (2)). and low-voltage power supply (6) Remove the screw (silver-colored)
  • Page 86 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (7) Remove the screw (silver-colored) , the two screws (silver-colored) , the AC (8) Remove the AC switch , the two screws (silver-colored) , the ground screw cord connector and the power supply cover...

  • Page 87: Belt Motor Assy. And Fuser Motor Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.20 Belt motor Assy. and fuser motor Assy. (4) Unclamp the two cables and, to detach the belt motor Assy. remove the four screws (silver-colored) of which brackets are marked with a number 2 in a (1) Remove the main control PCB, print engine roller PCB (see sections 4.2.7 and 4.2.8).
  • Page 88 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Remove the four screws (silver-colored) to detach the fuser motor Assy. 88 / 44072903TH Rev.1...

  • Page 89: Side-R Assy. And Side-L Assy

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.21 Side-R Assy. and side-L Assy. (4) Pull out the shaft leftward. (1) See sections 4.2.1 to 4.2.20. (2) Remove the two screws (silver-colored) to remove the image drum lift-up gear bracket (5) Remove the screw (silver-colored)
  • Page 90 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (6) Remove the four screws (silver-colored) to remove the base plate (7) Remove the four screws (silver-colored) to remove the plate beam (8) Remove the two screws (silver-colored) to remove the plate-beam-rear . The side L Assy.
  • Page 91 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.22 Paper feed roller (tray 1) (3) Remove the spring from the paper cassette. Note! When replacing the paper feed roller of the tray 1, be sure to replace the separator of the tray 1.
  • Page 92 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Notes on attaching separator Insert the hole of one leg of a new separator onto the support of the leg and, bending the other leg, push the separator from above so as to insert the other support into the hole of the other leg.

  • Page 93: Paper Feed Rollers (Tray 2/3 (Option))

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.23 Paper feed rollers (tray 2/3 (option)) (3) Warp the protrusion on each side of the cover on the paper cassette to unlatch the cover and, turning the cover toward the front of the printer, remove the cover.
  • Page 94 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Notes on attaching paper feed rollers Notes on attaching retard roller Assy. Insert a new paper feed roller (with a gear) onto the inside shaft and turn it all the Put the spring onto the boss on the rear of a retard roller Assy., and push the way in place.

  • Page 95: Paper Feed Roller (Multi-Purpose Tray)

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.2.24 Paper feed roller (multi-purpose tray) Notes on attaching paper feed roller: To attach a new paper feed roller, insert it onto the shaft and turn it all the way. (1) Turn off the printer and open the multi-purpose tray.

  • Page 96: Portions Lubricated

    4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 4.3 Portions Lubricated Portions lubricated are shown in this section. The other portions must not be lubricated. Lubrication is not required during assembly or disassembly, except that the lubricant specified must be applied to portions from which lubricant was wiped.
  • Page 97 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ① Frame-Assy.-Hopping Gear-Z24-50-HP Class-A EM-30L to posts Class-A EM-30L to bearings Gear-planet (Z12)-HP Class-A EM-30L to bearings Class-C EM-30L to end faces Stopper-HP Plate-gear Class-A EM-30L to both end faces Shaft-hopping Holder-planet Class-C EM-30L to gear bearing surfaces...
  • Page 98 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ② Gear-Holder-Assy. Class-B EM-30L to hatched areas Class-C Molykote (EM-30L) Spacer-coupled to hatched areas Holder-gear-A Gear-planet-Z24 Spacer-gear Gear-planet-Z24 Post-gear-holder Class-B Molykote (EM-30L) to post Back of gear-planet-Z24 98 / 44072903TH Rev.1...
  • Page 99 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ③ -1 Roller-Assy.-Regist(Lower) ③ -2 Roller-Assy.-Regist(Lower) Class-C Molykote (EM-30L) to hatched area Class-C Molykote (EM-30L) to entire gear tooth surfaces Class-C Molykote (EM-30L) to hatched areas Plate-holder-caulked Gear-registration-U-24-25 Bearing-registration Bearing Gear-idler-MPT Class-C Molykote (EM-30L)
  • Page 100 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ④ Guide-Eject-Upper Class-C Molykote (EM-30L) to gear tooth surface, shaft surface and flange Small-amount Class-A Molykote (EM-30L) to 7 hatched areas Shaft-Assy.-ejection-(FD) Paper paths free of grease Class-C Molykote (EM30L) to bearings Shaft-Assy.-ejection-(FU)
  • Page 101 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑤ Motor-Assy.-Belt ⑥ -1 Plate-Main-Assy. Class-C Molykote (EM-30L) to 2 posts Moderate-amount Class-C Molykote (EM-30L) to 9 hatched areas Gear-reduction-belt Class-C Molykote (EM-30L) to gear end face Plate-belt-caulked Gear-idler-belt Class-C Molykote (EM-30L) to gear tooth surfaces...
  • Page 102 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑥ -2 Plate-Main-Assy. Class-F EM-30L to 4 gear end faces Class-C EM-30L to 9 gear end faces Gear-idler-A Gear-idler-drum Gear-idler-drum Gear-idler-A Plate-main-caulked Gear-idler-B Gear-idler-B Plate-main-caulked Gear-reduction-ID Class-C EM-30L Gear-reduction ID to gear tooth surface and end face...
  • Page 103 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑦ Planet-Assy. ⑧ Plate-Main2-Assy. Moderate-amount Class-C Washer Molykote (HP300) to tooth tips Moderate-amount Class-C Molykote (HP300) to tooth tips Gear-idler-release Spring-planet Gear-planet-roller Gear-reduction-roller Moderate-amount Class-C Molykote (HP300) to posts Posts-planet RE2-SK Gear-reduction-A Planet-Assy.
  • Page 104 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑨ -1 Plate-Side-R-Assy. ⑨ -2 Plate-Side-R-Assy Plate-side-R Plate-side-R View A Class-C EM-30L to entire 4 hatched areas Class-C Molykote (EM-30L) to hatched area Back of A-View Class-C EM-30L to entire 4 hatched areas 104 / 44072903TH Rev.1...
  • Page 105 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑨ -3 Plate-Side-R-Assy ⑨ -4 Plate-Side-R-Assy Small-amount Class-A Molykote (EM-30L) to hatched areas Rack-lift-up-R Gear-idler-fuser Motor-Assy.-fuser Class-A EM-30L to hatched areas (5-mm width) Enlarged view Gear-cassette-R Moderate-amount Class-C Molykote (HP300) to hatched areas Plate-side-R-Assy.
  • Page 106 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑩ -1 Plate-Side-L-Assy. ⑩ -2 Plate-Side-L-Assy. Plate-side-L Guide-cassette-L Class-C EM-30L to entire hatched area Class-C Molykote (EM-30L) to hatched area 106 / 44072903TH Rev.1...
  • Page 107 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑩ -3 Plate-Side-L-Assy Small-amount Class-A Molykote (EM-30L) to hatched areas Enlarged View Small-amount Class-A Molykote (EM-30L) to hatched areas Rack-lift-up-L Class-A EM-30L to hatched areas (5-mm width) Enlarged View 107 / 44072903TH Rev.1...
  • Page 108 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑪ Sensor-Regist-Assy. ⑬ Roller-Assy.-Idle(FD) Fuser-shutter Class-C Molykote (EM-30L) to posts (3 places) ⑫ Cassette-Assy. Frame-separation-Assy. Areas free of grease Grease Application: Apply a very small amount (Class S) of Molykote (EM-30L) to the sliding areas (hatched areas) before assembling them.
  • Page 109 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑭ -1 Printer-Unit (PX736) Spring-torsion-L Class-C Molykote (EM30-L) to posts (2 places) Plate-lift-up-caulked Cover-Assy.-top Gear-reduction-L-UP3 Sprint-torsion-R Gear-reduction-L-UP2 Class-C MT brushed between tight-wound coil wires (each of sprint-torsion-L and sprint-torsion-R) Class-C Molykote (EM-30L) to entire gear tooth surfaces 109 / 44072903TH Rev.1...
  • Page 110 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑭ -2 Printer-Unit (PX736) (1) (2) Plate-side-Assy. (1) Apply a moderate amount (Class C) of Molykote (EM-30L) to the inner wall of the hole (the hatched area). Gear-reduction-L-up (2) Insert the shaft-lift-up from the plate-side-R side.
  • Page 111 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL ⑭ -3 Printer-Unit (PX736) Small-amount Class-A PM to hatched areas (1) To apply: Wipe the hatched areas with material like a cloth impregnated with a small amount of PM. (2) After applying PM, make sure that, by pulling out and inserting the cassettes several times, no scraping sounds occur.

  • Page 112: Maintenance Menus

    Oki Data CONFIDENTIAL MAINTENANCE MENUS The adjustment of this printer can be implemented using the maintenance utility and also by key input through the operator panel. This printer provides maintenance menus, apart from the normal menus. Select the menu that best suits the purpose of your intended adjustment.

  • Page 113: System Maintenance Menu (For Maintenance Personnel)

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.1 System maintenance menu (For maintenance personnel) This menu is activated when the power is turned with the MENU and MENU Category Item (1st Line) Value (2nd Functions Line) keys held down. The menu indications are given in English only, irrespective of the destination of the printer.

  • Page 114: Maintenance Utility

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.2 Maintenance utility The maintenance utility is used to perform the adjustments of Table 5-2. Operation on Section Operator Panel Details of the maintenance utility are described below. No. of the (Section No. Item...
  • Page 115 5. MENTENANCE MENUS Oki Data CONFIDENTIAL Operation on Operation on Section Section Operator Panel Operator Panel No. of the No. of the (Section No. (Section No. Item Adjustment Item Adjustment mainte- mainte- corresponds to corresponds to nance Utility nance Utility...
  • Page 116 5. MENTENANCE MENUS Oki Data CONFIDENTIAL Operation on Section Operator Panel No. of the (Section No. Item Adjustment mainte- corresponds to nance Utility the Mainte-nance Operation manual) 23 Auto density Sets the auto density setting control Never use adjustment parameter.

  • Page 117: Functions Of User's Maintenance Menu

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3 Functions of user's maintenance menu 5.3.1 Maintenance menu (For end users) Category Operator Panel Display Function Item (Upper Value (Lower There is a maintenance menu category among the normal menu categories. (Different from...
  • Page 118 5. MENTENANCE MENUS Oki Data CONFIDENTIAL Category Operator Panel Display Function Item (Upper Value (Lower Display) Display) Mainte- SMR SETTING Change a correction value for uneven print nance quality to correct print variations caused Menu by variations in temperature and humidity environment or in print density/frequency.

  • Page 119: Operator Panel

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2 Self-diagnostic mode (1) Switchover of menu items The transition of xxxxx is activated when [BACK] or [ONLINE] LEVEL0 XXXX Individual explanation of LEVEL0 and LEVEL1. is pressed and held down, or buttom is pressed briefly.
  • Page 120 5. MENTENANCE MENUS Oki Data CONFIDENTIAL (1) Switchover of menu items LEVEL1 XXXXX is activated when [BACK] or [ONLINE] is pressed and held down, or buttom is pressed briefly is activated with buttom. The item selection screen is restored when [BACK] is pressed and held down.

  • Page 121: Normal Self-Diagnostic Mode (Level 1)

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.2 Normal self-diagnostic mode (Level 1) 5.3.2.2.1 Activation method for self-diagnostic mode (Level 1) The menus of the normal self-diagnostic mode are indicated below. The system maintenance menu mode is activated when the power is turned on...

  • Page 122: Switch Scan Test

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.3 Switch scan test This self-diagnosis is practiced to check the inlet sensors and switches. Activate the self-diagnostic mode (Level 1), press and hold down the MENU Image drum up/down sensor Toner sensor C...
  • Page 123 5. MENTENANCE MENUS Oki Data CONFIDENTIAL Table 5-3 SWITCH SCAN Display Detail 　<Fuction not provided>An asterisk "*" is displayed in the lower line. L is displayed when the cover is open. See section 7.7. The switches for each cassette size are numbered from 1 starting at the left hand side.

  • Page 124: Motor Clutch Test

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.4 Motor clutch test This self-diagnosis is practiced to test motors and clutches. Activate the self-diagnostic mode (Level 1), press and hold down the MENU Registration Shutter ID Motor ID UP/DOWN Motor Fuser 2 FAN or MENU key, until "MOTOR &...
  • Page 125 5. MENTENANCE MENUS Oki Data CONFIDENTIAL Table 5-4 Unit Name Description of Control for Unit Driving Remarks ID MOTOR To be driven with all the IDs (Black/yellow/ − magenta/cyan) removed. BELT MOTOR To be driven with all the IDs (Black/yellow/ −...

  • Page 126: Test Print

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.5 Test print Indication Set value Function PRINT EXECUTE – Pressing the ENTER key initiates print and This self-diagnosis is practiced to print test patterns built in PU. Other test patterns are pressing the CANCEL key ends the print (Page stored in the controller.
  • Page 127 5. MENTENANCE MENUS Oki Data CONFIDENTIAL When the ENTER key is depressed while "PRINT EXECUTE" remains displayed in the lower line of the display section in the operation of Item 2., the test print takes place with the set values specified in Items 2 and 3.
  • Page 128 5. MENTENANCE MENUS Oki Data CONFIDENTIAL • When print is executed, the following message is displayed: • The above displays are switched to the following by pressing the MENU key. P=*** ETMP=***UTMP=*** W=*** REG=****EXT=*** : Number of test-print pages (Unit: sheets)
  • Page 129 5. MENTENANCE MENUS Oki Data CONFIDENTIAL • Pressing the MENU key switches over the indication. TR1:k**y**m**c** TR2:k**y**m**c** TR1 : Transfer voltage parameter VTR1 table ID No. [Unit: HEX] TR2 : Transfer voltage parameter VTR2 table ID No. [Unit: HEX] • Pressing the MENU key switches over the indication.

  • Page 130: Color Registration Adjustment Test

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.6 Color registration adjustment test (3) Pressing the [CANCEL] key while the test is under way aborts the test ([READY] light comes on) and restores the status of Item 2. This self-diagnosis is utilized to adjust color registration of the printer and to locate the cause of color misregistration.

  • Page 131: Print Density Adjustment Test

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.7 Print density adjustment test (3) Pressing the [CANCEL] key while the test is under way aborts the test ([READY] light comes on) and restores the status of Item 2. This self-diagnosis is performed to test on the print density adjustment function of the printer <<DENS ADJ RESULT is executed>>...

  • Page 132: Indication Of Consumable Part Counters

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.8 Indication of consumable part counters Display Upper Display Lower Format Unit Function This self-diagnosis is practiced to indicate the consumed states of consumable parts. K-STC MODE ********TIMES Times The printing dot counts of each Activate the normal self-diagnostic mode, and press and hold down the [MENU color TONER cartridge.

  • Page 133: Indication Of Printed Page Counters

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.9 Indication of printed page counters 5.3.2.10 Factory/Shipping switching This self-diagnosis is practiced to switch the PU (PRN) PCB between the Factory mode and This self-diagnosis is practiced to indicate the current number of printed pages of the printer.

  • Page 134: Setup Of Self-Diagnostic Function

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.11 Setup of self-diagnostic function Indication Set Value Operation of Set Value Function This self-diagnosis is practiced to Enable/Disable the error detections of the different types ID UNIT ENABLE Checks For enabling/disabling checking of sensors.

  • Page 135: Various Types Of Print On The Individual Printer Equipped With Controller

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.3.3 Various types of print on the individual printer 5.3.4 Functions of keys when depressed at power-on equipped with controller The different keys provide the following functions when the power is turned on to the printer.

  • Page 136: Setup After Replacement Of Parts

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.4 Setup after replacement of parts This subsection describes the necessary adjustments to be made when parts have been When EEPROM of the PCB to be removed is inaccessible replaced. If the PCB to be removed causes SERVICE CALL 104 (Engine EEPROM...

  • Page 137: Setup Of Eeprom After Replacement Of Cu Pcb

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL (2) Switching to Shipping mode 5.4.2 Setup of EEPROM after replacement of CU PCB When the engine control PCB has been replaced with a new one, the printer still is in the Factory Work mode. Switch it to the Shipping mode.

  • Page 138: Setup Of Destination

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.4.3 Setup of destination [Checking method: Menu Map Print] The destination is set prior to shipping out of a maintenance PCB. (Maintenance PCBs area available for each destination.) Basically, you don’t need to change the destination settings.

  • Page 139: About The Manual Setup Of Print Density Adjustment

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.5 About the manual setup of Print density adjustment The printer is shipped out of the factory with its automatic density correction mode set to "Auto". However, if that mode is changed to "Manual" by the user, the density setting may be displaced with the use along the time.

  • Page 140: Administrator Menu List Of The Printer

    5. MENTENANCE MENUS Oki Data CONFIDENTIAL 5.6 Administrator Menu List of the Printer ❾ Press the Menu This menu can specify Enable/ Disable of each category of the user menus. The categories or Menu key several times to display [Set Value].
  • Page 141 5. MENTENANCE MENUS Oki Data CONFIDENTIAL Display of Operation Panel Category Description Set Value (Upper) Set Value (Lower) OP MENU NEARLIFE ENABLE Sets whether to display the warning STATUS DISABLE message if the life of IDs, fuser units or belt units is near end.

  • Page 142: Cleaning

    Oki Data CONFIDENTIAL CLEANING Cleaning ................... 143 Cleaning the LED lens array ............ 144 Cleaning of pickup rollers ............146...

  • Page 143: Cleaning

    6. CLEANING Oki Data CONFIDENTIAL 6.1 Cleaning Clean the interior and outside of the printer, as needed, using a waste cloth and small vacuum cleaner (hand cleaner). Note! Be careful not to touch the image drum terminals, LED lens array and LED head connectors.

  • Page 144: Cleaning The Led Lens Array

    6. CLEANING Oki Data CONFIDENTIAL 6.2 Cleaning the LED lens array Cleaning the LED head If a vertical white band or white stripe (partial print, light print) is observed in the print face, clean the LED lens array. Execute this cleaning if an output shows a light fuzzy print or white stripes, or characters are blurred.
  • Page 145 6. CLEANING Oki Data CONFIDENTIAL (3) Wipe lightly the four lens surfaces of the LED head with a soft tissue paper. Note! Do not use methyl alcohol, paint thinner or any other solvent, since they damage the LED head. LED head (4) Close the top cover.

  • Page 146: Cleaning Of Pickup Rollers

    6. CLEANING Oki Data CONFIDENTIAL 6.3 Cleaning of pickup rollers If vertical stripes are observed in the print face, clean the pickup rollers. (3) Wipe the pad of the paper cassette using a piece of cloth impregnated with water and squeezed hard.

  • Page 147: Troubleshooting Procedures

    Oki Data CONFIDENTIAL TROUBLESHOOTING PROCEDURES Precautions prior to repair ............148 Items to be checked prior to taking action on abnormal images ..............148 Precautions when taking action on abnormal images .... 148 Preparations for troubleshooting ..........148 Troubleshooting method ............149 Check of fuses .................205...

  • Page 148: Preparations For Troubleshooting

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.1 Precautions prior to repair (1) Confirm the basic check items indicated in the User's Manual. (2) Through hearing from the user, obtain information, as far in detail as possible, on the situation concerning the fault.

  • Page 149: Troubleshooting Method

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5 Troubleshooting method 7.5.1 LCD Message list If a trouble occurs in the printer, search for it by the following procedure. Initializing Problem outbreak Ready Attention means no display in Description upper line. Problem is Repair using the "LCD...
  • Page 150 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Ready Attention Ready Attention means no display in Description means no display in Description upper line. upper line. FLASH FORMAT Displays that Flash memory is being formatted. CHECK DATA Displays that an error takes place while the NIC...
  • Page 151 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Normal Ready Attention means no display in Description Handling Ready Attention upper line. means no display in Description Handling upper line. PRINT NETWORK Varies Varies It is shown that a network setup − CONFIG is printing.
  • Page 152 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Warning Ready Attention means no display in Description Handling upper line. Ready Attention means no display in Description Handling upper line. Varies Varies Checking toner cartridges. − PREPARING RINTER Varies Toner amount is low. Displayed −...
  • Page 153 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Ready Attention Ready Attention means no display in Description Handling means no display in Description Handling upper line. upper line. Varies This warning is displayed at Replace a toner Varies Not compatible for RF ID chip of...
  • Page 154 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Ready Attention Ready Attention means no display in Description Handling means no display in Description Handling upper line. upper line. Varies Notifies the life of the fuser unit Replace new Varies Notifies the toner cartridge is not...
  • Page 155 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Ready Attention Ready Attention means no display in Description Handling means no display in Description Handling upper line. upper line. □ □ Varies Varies Density Adjustment Shutter Error 1. − Varies Varies Density Adjustment Black Sensor −...
  • Page 156 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Ready Attention Ready Attention means no display in Description Handling means no display in Description Handling upper line. upper line. □ Varies When a color registration error is − PRESS ONLINE SW Varies Indicates that memory is full with...
  • Page 157 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Ready Attention Ready Attention means no display in Description Handling means no display in Description Handling upper line. upper line. □ Varies Indicates file system errors other LOAD Indicates that the manual feed Press ONLINE...
  • Page 158 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL When the printer detects an irrecoverable error, it displays a service call error in the LCD Online Check Code Description like the one given below: lamp Lamp SERVICE CALL LOAD %MEDIA_SIZE%/ Blink The media type in the tray and the print...
  • Page 159 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Online Check Online Check Code Code Description Description lamp Lamp lamp Lamp LOAD %MEDIA_SIZE%/ Blink The size of paper or media type in the tray Error NETWORK CONFIG Varies Varies This appears during the NIC configuration Error does not match the print data.
  • Page 160 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Online Check Online Check Code Code Description Description lamp Lamp lamp Lamp INSTALL MEMORY Blink Indicates the memory overflow due the Error REPLACE TONER Blink The signature ID of toner cartridge is not Error %ERRCODE%: following reasons.
  • Page 161 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Online Check Online Check Code Code Description Description lamp Lamp lamp Lamp Open the top cover. Blink Warns that inappropriate long paper has Error REPLACE IMAGE DRUM Blink The toner empty error occurs after the...
  • Page 162 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Online Check Online Check Code Code Description Description lamp Lamp lamp Lamp CHECK TONER Blink Shows that the toner cartridge lever has Error CHECK DATA An error has happened while the printer is Error REC DATA ERROR receive-processing the download data.
  • Page 163 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Table 7-1-2 Service Call Error List Online Check Code Description lamp Lamp Message Cause Error Description Handling SHUTDOWN Indicates that the printer has completed Error POWER OFF/ON Power OFF/ON shutting down. 002: FATAL ERROR...
  • Page 164 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Message Cause Error Description Handling Message Cause Error Description Handling POWER OFF/ON Video Error. s the CU Assy installed properly? SERVICE CALL Detected Is different 2nd Tray installed? No Install 2nd Tray of 073: FATAL ERROR...
  • Page 165 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Message Cause Error Description Handling Message Cause Error Description Handling SERVICE CALL Error detected Is fan connector connected Connect properly SERVICE CALL Belt unit fuse Is belt unit setting proper? Reset belt unit. 127: FATAL ERROR...
  • Page 166 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Message Cause Error Description Handling Message Cause Error Description Handling SERVICE CALL Upper Side Turn on the power POWER OFF/ON System Turn power ON 169: FATAL ERROR Thermistor again. 190: FATAL ERROR Memory Does error reoccur? again.
  • Page 167 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Message Cause Error Description Handling Message Cause Error Description Handling SERVICE CALL RFID Reader An interface error was detected 01: Same as Error SERVICE CALL Error by media Media has clung to the fuser.

  • Page 168: Preparing For Troubleshooting

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2 Preparing for troubleshooting (8-4) Duplex print jam occurs in the Duplex input..........188 (8-5) Paper is not fed to a Regist roller from Duplex section ........X (1) LCD Display Malfunction ................... 169 (9) Paper Size Error (Error 400) ................189 (1-1) Nothing is displayed in LCD.

  • Page 169: Lcd Display Malfunction

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(1) LCD Display Malfunction Confirmation Items Confirmation Tasks Action at NG Memo For numbers of (1) through (26) after each connector name, refer to 7.5.2 (18) (1-1-3) Confirm the power systems "Connection Diagrams". AC power supplied Check the supply voltage of the AC power.
  • Page 170 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (1-2) The first line is black display in LCD (1-3) PLEASE WAIT (The display changes to “COMMUNICATION ERROR” if you leave them as they are) Confirmation Items Confirmation Tasks Action at NG Confirmation Items...

  • Page 171: Irregular Operation Of The Device After Turning On The Power

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(2) Irregular Operation of the device after turning on the power (2-2) Abnormal sound (2-1) No operation Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (2-2-1) Check for motor step-out (Abnormal driver)
  • Page 172 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (2-4) Slow starting time Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (2-2-4) Check of laying of cords (2-4-1) Check of fuser unit Laying of peripheral Check to see if the peripheral cords of the...
  • Page 173 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (3) Error number and jam location at paper jam Diagram of jam location Corresponding Error No. Name Reference Jam Release Method Sensor (390:MISS FEED AT (382:EXIT) FRONTFEEDER) Jam release method ③ Duplex reversal DUP-IN,DUP-R...
  • Page 174 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL JAM RELEASE METHOD ① If you do not see the top edge of paper Removing the jammed paper Front cover section (Codes: 372, 380, 390, 391, 400) Open the front cover, and if the leading end or trailing end of the jammed paper is visible, pull out the paper slowly.
  • Page 175 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL JAM RELEASE METHOD ② (4) Hold the fuser unit again by the handle and put it gently back in the printer. (5) Push the lock levers (blue) of the fuser unit toward the rear, and fasten the unit.
  • Page 176 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (2) Take out the image drum cartridges (4), and place them on a flat table. When neither the leading end nor the trailing end is visible (3) Cover the image drum cartridges thus taken out with a black sheet of paper.
  • Page 177 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL JAM RELEASE METHOD ③ JAM RELEASE METHOD ④ Two -sided print unit section (Codes: 370, 371, 373) Second tray unit section (Optional)(Codes: 391, 392, 393) (1) Open the two-sided print unit cover by pushing the jam releasing lever of the (1) Draw out the paper cassette and remove the jammed paper.

  • Page 178: Paper Feed Jam(Error 391:1St Tray)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(3) Paper Feed Jam(Error 391:1st Tray) (3-2) Paper feed jam occurs right after paper feeding starts (1st Tray) (3-1) Paper feed jam occurs right after turning on the power (1st Tray) Confirmation Items Confirmation Tasks...
  • Page 179 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (3-2-4) Check of connections (3-2-6) Check of connections Redothe Feed motor drive Check the connected state of the cord. Feed solenoid cord Check the connected state of the cord.

  • Page 180: Paper Feed Jam (Error 380)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(4) Paper Feed Jam (Error 380) (4-2) Paper feed jam occurs right after paper feeding starts (Multi-purpose Tray) (4-1) Paper feed jam occurs right after turning on the power Confirmation Items Confirmation Tasks Action at NG...

  • Page 181: Paper Feed Jam (Error 390:Multi-Purpose Tray)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(5) Paper Feed Jam (Error 390:Multi-purpose Tray) Confirmation Items Confirmation Tasks Action at NG (5-1) Paper feed jam occurs right after turning on the power (Multi-purpose Tray) (4-2-4) Check the system connection Confirmation Items...
  • Page 182 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (5-2) Paper feed jam occurs right after paper feeding starts (Multi-purpose Tray) Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (5-2-3) Check of the operating state of motors...

  • Page 183: Paper Path Jam(Error 381)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(6) Paper Path Jam(Error 381) (6-2) Paper path jam occurs right after feeding paper (6-1) Paper path jam occurs right after turning on the power Confirmation Items Confirmation Tasks Action at NG Confirmation Items...
  • Page 184 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (6-3) Paper path jam occurs in a path route Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (6-2-4) Check of connections (6-3-1) Check of operating state of motors Feed motor drive Check the connected states of the cords.

  • Page 185: Paper Exit Jam(Error 382)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (6-4) Paper path jam occurs right after reaching the fuser unit 7.5.2.(7) Paper Exit Jam(Error 382) (7-1) Paper exit jam occurs right after turning on the power Confirmation Items Confirmation Tasks Action at NG...
  • Page 186 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (7-1-4) Check of connections (7-2-3) Motor operation check S ignal cord for motor Check to see if the FFC is properly plugged in...

  • Page 187: Duplex Print Jam(Error 370, 371, 372, 373, 383)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(8) Duplex Print Jam(Error 370, 371, 372, 373, 383) (8-2) Duplex print jam occurs in the Duplex entry (8-1) Duplex print jam occurs right after turning on the power Confirmation Items Confirmation Tasks Action at NG...
  • Page 188 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (8-4) Duplex print jam occurs in the Duplex input Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (8-2-4) Check of operating state of motor (8-4-1) Check of operating state of sensor levers...

  • Page 189: Paper Size Error (Error 400, 401)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL (8-5) Paper is not fed to a Regist roller from Duplex section 7.5.2.(9) Paper Size Error (Error 400, 401) (9-1) Paper jam occurs when the end of paper is near IN1 sensor. Confirmation Items...

  • Page 190: Id Unit Up-Down Error(Service Call 140-143)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(10) ID Unit Up-Down Error(Service Call 140-143) (10-2) An error occurs in the operation of ID Unit Down (10-1) An error occurs in the operation of ID Unit Up Confirmation Items Confirmation Tasks Action at NG...

  • Page 191: Fuser Unit Error(Error 170-177)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(11) Fuser Unit Error(Error 170-177) (11-2) An error occurs in 1 min. from turning on the power (11-1) An error occurs right after turning on the power Confirmation Items Confirmation Tasks Action at NG...

  • Page 192: Motor Fan Error(Error 120, 127, 051)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(12) Motor Fan Error(Error 120, 127, 051) 7.5.2.(13) Print Speed is Slow (Low Performance) (12-1) Low voltage power unit fan or CU fan does not rotate right after turning on the power (13-1) Print speed decreases...

  • Page 193: Option Unit Is Not Recognized

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(14) Option unit is not recognized (14-2) 2nd Tray unit is not recognized (14-1) Duplex unit is not recognized Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (14-2-1) 2nd tray PCB...

  • Page 194: Led Head Is Not Recognized(Error 131, 132, 133, 134)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(15) LED head is not recognized(Error 131, 132, 133, 134) 7.5.2.(16) Toner cartridge is not recognized(Error 540, 541, 542, 543) (15-1) Service Call 131-134(LED HEAD Missing) (16-1) Errors caused by consumables Confirmation Items Confirmation Tasks...
  • Page 195 7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL Note! How to check a toner sensor operation with SWITCH SCAN in the self- (16-3) Errors caused by machine defects diagnosis mode. Confirmation Items Confirmation Tasks Action at NG (1) Confirmation of the operation in the device (16-3-1) Loading on ID unit 1.

  • Page 196: Fuse Cutout Error (Error 150-155)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(17) Fuse Cutout Error (Error 150-155) 7.5.2.(18) Dew Condensation Errors (Error 123) (17-1) Fuse cutout errors (18-1) Dew Condensation Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (17-1-1) Check of connections...

  • Page 197: Connection Diagram

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.2.(19) Connection Diagram Internal temperature Cover-open thermistor switch Fuser FAN1 DUPLEX UNIT Cover-open Front Bottom Rear Printer main unit sensor sensor sensor sensor sensor Cable43 RFID antenna Fuser right end Board-POL Relay Shutter solenoid...

  • Page 198: Image Problem Troubleshooting

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.3 Image Problem Troubleshooting (1) Color is totally pale (Fig.7.2 A) ................199 (1-1) Color is pale....................199 (2) Background is dirty (Fig.7.2 B) ................200 (2-1) Background is dirty (partly) ................. 200 (2-2) Background is dirty (totally) ................. 200 (3) Blank Print (Fig.7.2 C) ..................

  • Page 199: Color Is Totally Pale (Fig.7.2 A)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.3.(1) Color is totally pale (Fig.7.2 A) Confirmation Items Confirmation Tasks Action at NG (1-1) Color is pale (1-1-5) Installed state of ID unit Confirmation Items Confirmation Tasks Action at NG Lowest position of...

  • Page 200: Background Is Dirty (Fig.7.2 B)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.3.(2) Background is dirty (Fig.7.2 B) (2-2) Background is dirty (totally) (2-1) Background is dirty (partly) Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks Action at NG (2-1-1) ID unit (2-1-1) ID unit...

  • Page 201: Blank Print (Fig.7.2 C)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.3.(3) Blank Print (Fig.7.2 C) 7.5.3.(4) Vertical lines are printed (3-1) Blank on the whole page (4-1) Thin vertical lines (with color) (See Fig.7.2 D) Confirmation Items Confirmation Tasks Action at NG Confirmation Items...

  • Page 202: Cyclic Print Trouble (Refer To Fig.7.2 E)

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.3.(5) Cyclic Print Trouble (Refer to Fig.7.2 E) 7.5.3.(6) Color registration is wide. (5-1) Vertical cyclic print trouble (6-1) "IN ADJUSTING COLOR REGISTRATION" is shown only a short time Confirmation Items Confirmation Tasks Action at NG...

  • Page 203: Solid Black Print

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.3.(7) Solid Black Print 7.5.3. (8) Cannot Print (7-1) Solid black on a full page (8-1) Wrong setting of Limited color print menu. Confirmation Items Confirmation Tasks Action at NG Confirmation Items Confirmation Tasks...

  • Page 204: Network Troubleshooting

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.5.5 Network Troubleshooting (1) Cannot print from Utility. Confirmation Items Confirmation Tasks Action at NG (1) Check of LINK light Check to see if the Check to see if the HUB and the printer are...

  • Page 205: Check Of Fuses

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.6 Check of fuses If any of the following errors is issued, check the corresponding fuse on the CU control PCB PU control PCB component side (SP2 PCB), PU control PCB or high-voltage power supply PCB. (See Table 7-6.)

  • Page 206: Paper Cassette Switches Versus Paper Size Correspondence Table

    7. TROUBLESHOOTING PROCEFRURES Oki Data CONFIDENTIAL 7.7 Paper cassette switches versus Paper size correspondence table Bit No. Dial Indication Size (OEL) Dial Indication Size (ODA) TRAY1 TRAY2/3 TRAY1 TRAY2/3 No cassette No cassette No cassette No cassette A6 SEF A4 SEF...

  • Page 207: Connection Diagrams

    Oki Data CONFIDENTIAL CONNECTION DIAGRAMS Check of resistance values .............208 Component layout ..............212...

  • Page 208: Check Of Resistance Values

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.1 Check of resistance values Unit Circuit diagram & Configuration Part schematic Resistance value Brown Transport belt Between pin 1 and pin 2: 3.4Ω motor Between pin 3 and pin 4: 3.4Ω Yellow Blue ID motor Both ends of F1: 1Ω...
  • Page 209 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Circuit diagram & Configuration Part schematic Resistance value Between pin 1 and pin 2: 6.1Ω ID up/ down motor Between pin 3 and pin 4: 6.1Ω Fuser unit motor Both ends of IP: 1Ω or less 209 / 44072903TH Rev.1...
  • Page 210 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Circuit diagram & Configuration Part schematic Resistance value Between pin 1 and pin 2: 3.4Ω Feed motor Between pin 3 and pin 4: 3.4Ω Between pin 1 and pin 2: 2.4Ω Duplex motor Between pin 3 and pin 4: 2.4Ω...
  • Page 211 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Circuit diagram & Configuration Part schematic Resistance value Thermostat Upper #1 800W Upper #2 350W Lower 13P-RWZV-K4GG-P4 CZHR-07V-S Upper center Upper center thermistor thermistor Between pins A-6 and A-7: Approx. 8058 k to 5338 k Ω (0 to 93°C)

  • Page 212: Component Layout

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.2 Component layout (1) Print engine controller PCB (PU PCB) *Component side Component side R56 R84 R54 R85 FET3 FET1 SIZE HOPIDUP FET2 FET4 R102 R104 R96 R94 R92 R97 R95 R93 POWLED1 OSC1...
  • Page 213 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Solder side R510 BF502 R509 C537 R590 R580 R579 R616 R536 C503 R565 R577 R578 C553 R556 C544 R564 R576 C543 R563 FET508 R575 C558 R595 C552 R574 R562 R554 R573 Q502 R607 R572...
  • Page 214 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (2) Main controller PCB (SP2 PCB) R188 Component side R187 R174 RM22 R182 R191 R190 R154 R153 R150 R149 RM20 R134 R133 RM18 BF2 C49 RM11 R102 R107 R103 R100R101 IC12 R47R39 RM2 C96...
  • Page 215 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Solder side 215 / 44072903TH Rev.1...
  • Page 216 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (3) Junction PCB (P6Y PCB) Solder side BFUSE BFUCUT Component side DENS FUSERIN 216 / 44072903TH Rev.1...
  • Page 217 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (4) Duplex print control PCB (V7Y-4 PCB) Solder side Component side D510 FET502 MAIN1 R542 R541 C535 R544 R543 R501 J520 R511 J503 R506 Q502 R557 R556 TR502 R555 R554 R553 R552 J514 C504...
  • Page 218 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (5) Second tray control PCB (V7Y-3 PCB) Solder side Component side D510 FET502 MAIN1 R542 R541 C535 R544 R543 MAIN2 R501 J520 R511 J503 R506 Q502 R557 C519 R556 TR502 C518 R555 C517 R554...
  • Page 219 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (6) Control panel PCB (PPK PCB) (7) Toner-Low sensor PCB (PRZ PCB) Component side Solder side SSNS R504 R509 R508 R503 R507 JP501 JP502 R506 R505 JP18 JP10 JP23 JP24 JP19 JP25 JP26 R502...
  • Page 220 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (8) Inlet sensor PCB (RSF PCB) (11) Low-voltage power supply PCB (9) Color adjustment sensor PCB (PRC PCB) Short-circuit plug for CN6 (10) High-voltage power supply PCB Notes! *A specified part number depends on RSPL.
  • Page 221 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (12) ID Unit (13) Transfer belt unit ID unit (For consumables) Transfer belt unit (For consumables) Contacts Contacts Fuse Fuse Toner-Low sensor PCB (PRZ PCB) Driver junction PCB (P6Y PCB) Contacts ID unit Contacts...

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