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Oki C810 Maintenance Manual

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C810/C830
Maintenance Manual
0609A
 
 
 
 
 
 

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Summary of Contents for Oki C810

  • Page 1               C810/C830 Maintenance Manual 0609A            ...
  • Page 2 Copyright Information Copyright © 2009 by Oki Data. All Rights Reserved Disclaimer Every effort has been made to ensure that the information in this document is complete, accurate, and up-to- date. The manufacturer assumes no responsibility for the results of errors beyond its control. The manufacturer also cannot guarantee that changes in software and equipment made by other manufacturers and referred to in this guide will not affect the applicability of the information in it.
  • Page 3 DOCUMENT REvISION HISTORy Oki Data CONFIDENTIAL Document Revision History Changed items Rev. Date Person in charge Changed items Rev. Page Description of change Date Person in charge Page Description of change 2009-02-25 Issue MD11 Wakana 44015503TH Rev. 1...
  • Page 4 • 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 5: Table Of Contents

    CONTENTS Oki Data CONFIDENTIAL ContEnts 1. ConFIGURAtIon ..............7 Printing of the configuration report ..............57 Connection methods ..................58 System configuration ..................8 Checking of paper used by the user ..............60 Printer configuration .................... 9 Composition of optional items ................10 4.
  • Page 6 CONTENTS Oki Data CONFIDENTIAL 4.2.23 Paper feed rollers (tray 2/3 (option)) ........... 100 7. tRoUBLEsHootInG PRoCEDURE ........156 4.2.24 Paper feed roller (multi-purpose tray) ..........102 Before starting the repair work ................ 157 Portions Lubricated ..................103 Confirmation items before taking corrective action against abnormalities ..157 Precautions when taking corrective action against abnormality .....
  • Page 7 CONTENTS Oki Data CONFIDENTIAL 7.5.3.(3) White print (Refer to Figure 7-2 C.) ........214 7.5.3.(4) Black banding/black streaking in vertical direction .... 215 7.5.3.(5) Cyclic abnormality (Refer to Figure 7-2 E.) ...... 215 7.5.3.(6) Heavy color registration error ..........216 7.5.3.(7) Entirely black print .............

  • Page 8: Configuration

    Oki Data CONFIDENTIAL ConFIGURAtIon System configuration ..............8 Printer configuration ..............9 Composition of optional items ...........10 Specifications ................11 Interface specifications ..............14...

  • Page 9: System Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.1 system configuration Figure 1-1 represents the system configuration of the C830. Cover- Duplex Front Rear Bottom Paper Hopping open sensor sensor sensor sensor sensor sensor sensor size SW sensor Centronics Duplex clutch Feed clutch...

  • Page 10: Printer Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.2 Printer configuration The internal part of the C830 printer is composed of the following sections: • Electrophotographic processing section • Paper paths • Controllers (CU/PU) • Operator panel • Power supplies (high-voltage power supply/low-voltage power supply) Figure 1-2 represents the configuration of the printer.

  • Page 11: Composition Of Optional Items

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.3 Composition of optional items The following optional items are available for the C830 printer: (4) Additional memory Model name Capacity (1) Additional tray MEM256E 256 MB MEM512C 512 MB (5) Internal hard disk (2) Duplex-Unit Memo Internal hard disks for C830 are incompatible with those for C5900.

  • Page 12: Specifications

    1. CONFIgURATION Oki Data CONFIDENTIAL 1.4 Specifications Classification Item Specification(s) Classification Item Specification(s) Dimension Width 485 mm Operating Operating 10°C to 32°C, 17°C to 27°C (temperature for full- environment color print quality guaranteed) Depth 593 mm (temperature) Non-operating 0°C to 43°C, power off...
  • Page 13 1. CONFIgURATION Oki Data CONFIDENTIAL Classification Item Specification(s) Classification Item Specification(s) Service life Transfer belt life 80,000 pages (A4 LEF, 3 pages/job), Operator graphic panel with 128 × 64 dots, counter automatic reset panel no display of paper size Fuser unit life...
  • Page 14 1. CONFIgURATION Oki Data CONFIDENTIAL Classification Item Specification(s) Option 256/512 MB DIMM (removable) User-installable 2.5” IDE • Standard internal hard disk • Data protection kit A3 Tray configuration 2nd tray and 3rd tray Cassette Universal (530 sheets) Duplex unit Provided...

  • Page 15: Interface Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5 Interface specifications (2) Cables 1.5.1 UsB interface specifications Length: USB 2.0 cables no more than five meters long (two meters or less 1.5.1.1 UsB interface overview recommended) (Shielded USB 2.0 cables shall be used.)

  • Page 16: Network Interface Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5.2 network interface specifications 1.5.2.2 Connector and cable of network interface (1) Connector 1.5.2.1 network interface overview 100BASE-TX/10 BASE-T (automatically switched, not usable simultaneously) Basic specifications Connector pins arrangement TCP/IP spec. Network layer ARP , IP , ICMP , IPv6...

  • Page 17: Parallel Interface Specifications

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5.3 Parallel interface specifications 1.5.3.1 Parallel interface overview Item Details Supported modes Compatible mode, nibble mode, ECP mode Data bit length Compatible mode: 8 bit, Nibble mode: 4 bit, ECP mode: 9 bit 1.5.3.2 Connector and cable of parallel interface...

  • Page 18: Description Of Operation

    Oki Data CONFIDENTIAL DEsCRIPtIon oF oPERAtIon Electrophotographic process mechanism ........18 Printing process ................21...

  • Page 19: 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 20 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 21 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 22: Printing Process

    2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL 2.2 Printing process The paper fed from Tray 1 or Tray 2 is carried by the paper feed roller, the registration roller L, and (1) Paper fed from 1st Tray the transport roller. When the paper is fed from the MPT, it is carried by the MPT paper feed roller 1.
  • Page 23 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 24 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL ID unit operations during color printing (4) Up/down-motions of ID units 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 25 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 26 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. These Transport belt sensors are used to detect and correct color registration.
  • Page 27 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 28 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 29 2. DESCRIPTION OF OPERATION Oki Data CONFIDENTIAL Error checking methods and remedies Principle of toner sensor detection The density correction test function among the other self-diagnostic functions is employed to Toner LOW is detected by the toner sensor (Reflection sensor) installed inside the printer. The check errors.
  • Page 30 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 31 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 32: Installation

    Oki Data CONFIDENTIAL InstALLAtIon Cautions, and do’s and don’ts ............32 Unpacking procedure ..............33 Printer installation instructions ...........34 List of components and accessories .........35 Assembly procedure ..............36 Printing of the configuration report ..........57 Connection methods ..............58 Checking of paper used by the user ...........60...

  • Page 33: 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 34: 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 35: 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 36: 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 37: Assembly Procedure

    3. INSTALLATION Oki Data CONFIDENTIAL 3.5 Assembly procedure (3) Remove the protective tapes (three places) from the back of the printer and the 3.5.1 Assembly of the printer main unit power unit. Removing the protective materials (1) Remove the desiccant and protective paper from the top of the printer.
  • Page 38 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 39 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 40: Loading Paper In The Paper Cassette

    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 41 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 Multi-purpose tray storing Quick Guide (2) Move the manual feed guide to the paper size.

  • Page 42: Connection Of The Power Cable

    3. INSTALLATION Oki Data CONFIDENTIAL 3.5.2 Connection of the power cable About the connections of the power cord and grounding wire, the user should be given thorough explanation on the basis of the user's manual. Power supply conditions • Observe the following conditions: Connecting the power cord 100V ± 10% Power frequency: 50 Hz or 60 Hz ±...

  • Page 43: Turning Off The Power

    3. INSTALLATION Oki Data CONFIDENTIAL turning off the power no use for a long time Unplug the power cord when the printer will not be used for a long time, such as during long Note! Turning off the power without taking proper shutdown steps may damage and vacations or trips.

  • Page 44: 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 45 For Windows Server 2003, select [Start] - [Printers and Faxes]. For Windows 2000, select [Start] - [Settings] - [Printers]. Right-click the [OKI C830 (PS)] icon and select [Properties]. (Screen of Windows XP) Select [Obtain Printer Information] in [Installable Options] on the [Device Settings] tab and click [Setup] or [Obtain Printer Information].
  • Page 46 [Reconfigure]. Double-click [Application] - [Utilities] - [Printer Setup Utility] in the hard disk. Click [Configuration]. Select [OKI C830] and click [Show Info] and open [Printer Info]. Select an appropriate value in [Number Select [Installable Options]. of Trays] and click [OK].
  • Page 47 3. INSTALLATION Oki Data CONFIDENTIAL (2) Installation of a roller cabinet 1. turn off the printer to remove the power cord and the printer cable. Note! Installing with the printer ON may damage the printer. 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 48 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 cannot Personal injury may occur. be installed for the printer main unit only when one additional tray is used.
  • Page 49 3. INSTALLATION Oki Data CONFIDENTIAL Loosen a screw to detach the side Attach the side cover of the printer. cover of the printer. Fix the side cover with the screw. Close the top cover. Screw Close the front cover. Close the multi-purpose tray.
  • Page 50 3. INSTALLATION Oki Data CONFIDENTIAL Fit an anti-tip bracket (for the rear side) 6. Attach the anti-tip bracket covers. to the left back corner of the cabinet. Attach covers to the anti-tip brackets by sliding the covers (six places). Cover...
  • Page 51 MEM512C +512 MB (768 MB) Note! • Proper operation by use of an unspecified product cannot be guaranteed. Be sure to use Oki product. • Additional memory of 256 MB or more is recommended for long-sheet printing. • One memory slot is provided.
  • Page 52 3. INSTALLATION Oki Data CONFIDENTIAL 3. Remove the side cover. Push the memory against the printer to fit it firmly. Loosen the screw (one place). Close the metal cover plate. Remove the side cover. Pull it outward to remove the side cover by holding the upper edge of the side cover to lift.
  • Page 53 3. INSTALLATION Oki Data CONFIDENTIAL 7. Print the configuration report and check the printout for successful (4) Installation of an internal hard disk installation of the additional memory. Print the configuration report by Note! Fonts cannot be downloaded to any following the steps instructed in section optional internal hard disk for the printer. 3.6. Check the total memory size shown at “Total Memory Size”...
  • Page 54 3. INSTALLATION Oki Data CONFIDENTIAL 1. turn off the printer and disconnect the power cord. Push up the (blue) lever at the center of the front cover and pull the cover to Turn off the printer by following the steps described under “Turning off the power” in open.
  • Page 55 3. INSTALLATION Oki Data CONFIDENTIAL 4. Install an internal hard disk. 7. Print the configuration report and check the printout for successful installation of the internal hard disk. Open the metal cover plate. Fit the protrusions of the internal hard Print the configuration report by disk into the holes on the printer.
  • Page 56 For Windows 2000, select [Start] - Panel] - [Printers and Other Hardware] [Settings] - [Printers]. - [Printers and Faxes]. Right-click the [OKI C830 (PCL)] icon For Windows Server 2003, select [Start] and select [Properties]. - [Printers and Faxes]. Select [Obtain printer information] For Windows 2000, select [Start] - on the [Device Options] tab.
  • Page 57 Memo For how to create the desktop printer, see “Creating the Desktop Printer” of “Setup for Macintosh with USB Connection” in the user’s manual (Setup). Select [OKI C830] and click [Show Info] and open [Printer Info]. Select [Installable Options]. Check [Hard Disk] and click [Apply Changes].

  • Page 58: Printing Of The Configuration Report

    3. INSTALLATION Oki Data CONFIDENTIAL 3.6 Printing of the configuration report Check that the printer operates correctly. (Sample) you can check the status of installed printer options, menu settings of the printer, consumable usage, and so on. Load A4 paper in Tray1.

  • Page 59: Connection Methods

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

  • Page 60: Ethernet Cable Connection

    3. INSTALLATION Oki Data CONFIDENTIAL <Ethernet cable connection> <Parallel connection> Note! Refer to the user’s manual for operating environment. Preparing a parallel cable Note! A parallel cable does not come with the printer. Ask the user to prepare a Preparing an Ethernet cable parallel cable.

  • Page 61: 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 configuration/demo printing, and check the printout to make sure that no toner flakes off.

  • Page 62: 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 44015501TL and the RSPL 44015501TR.

  • Page 63: 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 64 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Maintenance tools: Table 4-1-2 shows the tools necessary to use Maintenance Utility software. Table 4-1-1 shows the tools necessary to replace printed-circuit boards and units: Table 4-1-2: Maintenance Tools Maintenance Tool Quantity Remarks...

  • Page 65: Part Replacement Procedure

    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 66: 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 67: 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 68: 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 69: 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 70: 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 the arrow, unlatch the portion A, and then the portion B, to detach the LED Assy.

  • Page 71: 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 72 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Remove the rear cover Assy. (see section 4.2.5). (7) Remove the four screws (silver-colored) to detach the image drum motor (tool number 1). (6) Remove the five screws (silver-colored) to detach the main controller PCB 71 / 44015503TH Rev.
  • Page 73 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (8) Remove the two screws (silver-colored) and the cable to detach the feed (9) Remove the two screws (silver-colored) and the cable to detach the image motor drum lift-up motor 72 / 44015503TH Rev. 1...

  • Page 74: 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 75 Low-voltage power supply Option (duplex-second) 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Operator panel Paper feed clutch M image drum Low-voltage power supply fan Shutter clutch fuser-end cooling fan Toner sensor board (ORZ) M fuser M belt PE sensor Size switch...

  • Page 76: 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 77 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (7) Remove the two screws and the fan Assy. (see section 4.2.7, (6)). (8) Remove the five screws (silver-colored) and slide out the main controller PCB Assy. rearward (tool number 1) (see section 4.2.7, (7)).

  • Page 78: 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 79: 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.

  • Page 80: 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 two points B, remove the board PRP , the LCD button and the button key (1) Open the top cover.

  • Page 81: 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 (3) Remove the gears-idler-ejection Assy. (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 82: 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 (4) Remove the two screws (silver-colored) to remove the auxiliary Assy. 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 83 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 84 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 85 4. REPLACEMENT OF PARTS Fuser release sensor Oki Data CONFIDENTIAL ]and exist sensor P6Y board Fuser interface connector PU interface connector Fuser entrance sensor Left color registration adjustment Right color registration adjustment Density sensor sensor PCB (PRC PCB) sensor PCB (PRC PCB)

  • Page 86: 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 87 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). 86 / 44015503TH Rev. 1...

  • Page 88: 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 89: 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 90: 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 91 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 90 / 44015503TH Rev. 1...
  • Page 92 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). 91 / 44015503TH Rev. 1...

  • Page 93: 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 (4) Remove the image drum motor (see section 4.2.7, (6)). (5) Remove the reinforcement plate (see section 4.2.8, (2)). fan and low-voltage power supply (6) Remove the screw (silver-colored)
  • Page 94 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 95: 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 96 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL (5) Remove the four screws (silver-colored) to detach the fuser motor Assy. 95 / 44015503TH Rev. 1...

  • Page 97: 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 98 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 99: Paper Feed Roller (Tray 1)

    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 100 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 101: 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 102 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 103: 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 104: 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 105 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 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 106 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL 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 105 / 44015503TH Rev. 1...
  • Page 107 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -1 Roller-Assy.-registration (lower) -2 Roller-Assy.-registration (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 Class-C Molykote (EM-30L)
  • Page 108 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Guide-ejection-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) Class-C Molykote (EM-30L)
  • Page 109 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Motor-Assy.-belt -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 110 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -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 Plate-main-caulked Gear-idler-B Gear-reduction-ID Class-C EM-30L Gear-reduction ID to gear tooth surface and end face...
  • Page 111 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Planet-Assy. Plate-main-2-Assy. Moderate-amount Class-C Moderate-amount Class-C Washer Molykote (HP300) to tooth tips Molykote (HP300) to tooth tips Gear-idler-release Spring-planet Gear-reduction-roller Moderate-amount Class-C Gear-planet-roller Molykote (HP300) to posts Posts-planet RE2-SK Gear-reduction-A Planet-Assy. Gear-reduction-B2 Moderate-amount Class-C...
  • Page 112 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -1 Plate-side-R-Assy. -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 111 /...
  • Page 113 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -3 Plate-side-R-Assy. -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. Class-C EM-30L to entire hatched area 112 / 44015503TH Rev.
  • Page 114 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -1 Plate-side-L-Assy. -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 113 / 44015503TH Rev. 1...
  • Page 115 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -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 114 / 44015503TH Rev. 1...
  • Page 116 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL Sensor-registration-Assy. Roller-Assy.-idler (FD) Fuser-shutter Class-C Molykote (EM-30L) to posts (3 places) 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 of (hatched areas) before assembling them.
  • Page 117 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -1 Printer-unit 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 116 / 44015503TH Rev.
  • Page 118 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -2 Printer-unit (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 119 4. REPLACEMENT OF PARTS Oki Data CONFIDENTIAL -3 Printer-unit 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 120: Maintenance Menus

    Oki Data CONFIDENTIAL MAIntEnAnCE MEnUs C830 can be adjusted by using Maintenance Utility, or button operation on its operator panel. On the panel, maintenance menus are provided in addition to general menus. Select the menu intended for each adjustment purpose.

  • Page 121: System Maintenance Menu (For Maintenance Personnel)

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.1 system Maintenance menu (for maintenance personnel) Turning on each printer while the MENU up-arrow ( ), MENU down-arrow ( ) and HELP Settings Category Option (1st row) Function button combination is used on its operator panel starts its System Maintenance menu. The (2nd row) menu is displayed in English irrespective of the destination of the product.
  • Page 122 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Settings Category Option (1st row) Function (2nd row) System Persona- IBM 5577 Enable Changes the support PDL language Mainte- lity Disable default based on the destination of the nance printer. Under ‘Print Setup’-‘Personality’ IBM PPR III...

  • Page 123: Maintenance Utility

    Purpose: To copy the information stored on update the EEPROM on the PU board when the board 9 NIC Web Updates Oki Data’s NIC Web page. 2.4.2.2.3 Unavailable needs to be replaced with another one due to page maintenance.
  • Page 124 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Section in Operation from Section in Operation from Maintenance operator panel Maintenance operator panel Option Adjustment Option Adjustment Utility (section in this Utility (section in this operation maintenance operation maintenance manual manual) manual manual)

  • Page 125: User Maintenance Menu Functions

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3 User maintenance menu functions 5.3.1 Maintenance menu (for end-users) Option Settings Function System Wait Timeout Sets the time period between stopping data Some general menu categories on the operator panel of C830 serve as maintenance menus...
  • Page 126 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Option Settings Function Option Settings Function System Print y Adjust 0.00 mm Adjusts the position of a whole printing image System Transparency Performs micro adjustment when visible Adjust Position +0.25 mm to (in 0.25-mm increments) parallel to the...
  • Page 127 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Option Settings Function Option Settings Function Enter Password xxxxxxxxxxxx Enters a password to start the administrator Hard Disk Initialization Execute Initializes a hard disk, setting it to the factory- menu. shipped configuration. Network Setup Change Sets partition size.

  • Page 128: Self-Diagnostic Mode

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2 self-diagnostic mode (1) Menu option display switching Hold down the BACK or ONLINE button or momentarily press the MENU up-arrow LEvEL0 ( ) or MENU down-arrow ( ) button to display the option shown in a shaded area This section describes LEvEL 0 and LEvEL 1.
  • Page 129 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL (1) Menu option display switching Use the MENU up ( ) or MENU down-arrow ( ) button to select the option shown in a shaded area ( XXXXX ), and press ENTER to execute the option.

  • Page 130: Normal Self-Diagnostic Mode (Level 1)

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.2 normal self-diagnostic mode (level 1) 5.3.2.2.1 Entering self-diagnostic mode (level 1) Note! Entering the System Maintenance mode of C830 requires a password. Refer The normal self-diagnostic mode menus are as follows: to table 5-1 for description on it.

  • Page 131: Switch Scan Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.3 switch scan test The switch scan test is used for checking entrance sensors and switches. Enter the self-diagnostic mode (level 1) and, until SWITCH SCAN appears on the Image drum up-down sensor C toner sensor...
  • Page 132 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 5-3: Switch scan detail Lower display shows asterisk (*) when function on upper display is unavailable. *1: An L is displayed when cover is open. Upper Display Detail Lower display Detail Lower display...

  • Page 133: Motor And Clutch Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.4 Motor and clutch test The motor and clutch test is used for testing motors and clutches. Enter the self-diagnostic mode (level 1) and, until MOTOR & CLUTCH TEST appears on the upper display, press the MENU up-arrow ( ) or MENU down-arrow...
  • Page 134 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Table 5-4 Unit name displayed Driving restriction Remarks ID MOTOR All of the (black, yellow, magenta and cyan) − image drums must be removed. BELT MOTOR All of the (black, yellow, magenta and cyan) −...

  • Page 135: Test Printing

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.5 test printing Option Settings Function PRINT EXECUTE – Starts printing with the press of the ENTER The test printing is used for printing test patterns stored in the PU. Other patterns are stored button, and ends printing with the press of the in the controller.
  • Page 136 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL With PRINT EXECUTE on the lower display after the operation in step 2, pressing the ENTER button executes test printing by using the setting made in 4.2 steps 2 and 3. The test printing is cancelled by pressing the CANCEL button. When...
  • Page 137 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL • The following message appears when a test pattern is printed. • The above displays are switched to the following by pressing the MENU up-arrow ( ) button. P=*** KR=*.** YR=*.** W=*** MR=*.** CR=*.** P: Number of test pages KR: A black transfer roller resistance value (in uA).
  • Page 138 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL • The above displays are switched to the following by pressing the MENU up- • The above displays are switched to the following by pressing the MENU up- arrow ( ) button. arrow ( ) button.

  • Page 139: Color Registration Adjustment Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.6 Color registration adjustment test Pressing the CANCEL button during the test cancels the test (turning on the ONLINE lamp), restoring the state of step 2. The color registration adjustment test is used for adjusting color registration or investigating When the displayed option is REG ADJ RESULT: the cause(s) of color misregistration.

  • Page 140: Density Adjustment Test

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Repeat steps 2 and 3 when necessary. 5.3.2.7 Density adjustment test Press the BACK button to end the test (the state if step 1 is restored). The density adjustment test is used for performing a density adjustment function test and displaying the result of it to judge whether the density adjustment mechanism is proper.
  • Page 141 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL When the displayed option is DENS ADJ PAR-SET: The setting for the density adjustment parameter is displayed. When the displayed option is AUTO CALIBRATION: The density sensor sensitivity adjustment value is automatically set (the ONLINE lamp starts blinking) is performed.

  • Page 142: Consumable Counter Display

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.8 Consumable counter display Display Display Upper display Lower display Detail format unit The consumable counter display is used for viewing the usage of consumables. M-WASTE ********TIMES Decimal Times Each displays the amount of TNR CNT waste toner.

  • Page 143: Print Counter Display

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.9 Print counter display 5.3.2.10 Factory-shipping mode switching The print counter display is used for viewing print counter values. The Factory-Shipping mode switching is used for switching from the Factory to Shipping mode. Enter the self-diagnostic mode and, until PRINTER STATUS appears, press the...

  • Page 144: Self-Diagnostic Function Setting

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.11 self-diagnostic function setting Option Settings Setting Operation Function ID UNIT ENABLE Enables checking. Enables or disables image drum The self-diagnostic function setting is used for enabling or disabling the error detection by CHECK installation checking.

  • Page 145: Led Head Serial Number Display

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.2.12 LED head serial number display 5.3.3 Printing on stand-alone basis The LED head serial number display is used for viewing whether downloaded data about C830 can perform the following printing on a stand-alone-basis.

  • Page 146: Functions Of Buttons After Power-On

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.3.4 Functions of buttons after power-on After the printer is turned on, buttons on the operator panel of C830 function as described below. When held down until the upper and lower displays on the panel show PAM CHECK...

  • Page 147: Setup After Part Replacement

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.4 setup after part replacement The following describes the adjustments necessary after part replacement: ii. When the printer operates properly, the operator panel shows ONLINE. When the printer has an error, it indicates an error, but the printer is...

  • Page 148: Eeprom Setup After Cu Board Replacement

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL • The PU serial number is shown at Printer Serial Number in the header of the 5.4.2 EEPRoM setup after CU board replacement printer’s configuration report (a Menu Map) output from the printer. After the...

  • Page 149: Manual Density Adjustment Setting

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.5 Manual density adjustment setting C830 is shipped with the auto density adjustment mode enabled. When the mode is disabled by a user, the printer may print density out of adjustment while being used. Manually perform density adjustment setting when the printer prints an improper density.

  • Page 150: Boot Menu List

    5. MAINTENANCE MENUS Oki Data CONFIDENTIAL 5.6 Boot Menu List To display Boot Menu, turn on the printer while holding down the Set ( ) button. Category Option Settings Function Enable Sets whether to enable or disable the USB Memo Displaying Boot Menu requires entry of a password. The password defaults to...
  • Page 151 5. MAINTENANCE MENUS Oki Data CONFIDENTIAL Category Option Settings Function Power Peak Power Normal Sets the control of peak low power. Setup Control Power Save Enable Sets whether to enable or disable the power save Disable mode. USB Host Sets the USB host power supplied during the Power power save mode.

  • Page 152: Cleaning

    Oki Data CONFIDENTIAL CLEAnInG Cleaning ...................152 LED lens array cleaning ............153 Pick-up roller cleaning ..............155...

  • Page 153: Cleaning

    6. CLEANING Oki Data CONFIDENTIAL 6.1 Cleaning The inside and outside of C830 must be cleaned with a waste cloth and a handy vacuum cleaner when necessary. Note! Do not directly touch the image drum terminals, LED lens array and the LED head connectors.

  • Page 154: Led Lens Array Cleaning

    6. CLEANING Oki Data CONFIDENTIAL 6.2 LED lens array cleaning The LED lens array must be cleaned when a vertical white belt or line (void or light print) LED head cleaning occurs. The LED heads must be cleaned when a white line or blurred text is printed.
  • Page 155 6. CLEANING Oki Data CONFIDENTIAL (3) Lightly wipe the (four) LED head lens surfaces with soft tissue paper. Note! Solvents, such as methyl alcohol or thinner, damage the LED heads. Do not use them. LED head (4) Close the top cover.

  • Page 156: Pick-Up Roller Cleaning

    6. CLEANING Oki Data CONFIDENTIAL 6.3 Pick-up roller cleaning The pick-up rollers must be cleaned when a vertical line occurs on printed output. (3) Wipe the pad of the paper cassette with a cloth tightly wrung out with water. Note! Use a soft cloth to clean the pick-up rollers so as not to damage their surfaces.

  • Page 157: Troubleshooting Procedure

    Oki Data CONFIDENTIAL tRoUBLEsHootInG PRoCEDURE Before starting the repair work ..........157 Confirmation items before taking corrective action against abnormalities ................157 Precautions when taking corrective action against abnormality 157 Preparation for troubleshooting ..........157 Troubleshooting method ............158 Fuse check ................230 Paper cassette switches versus Paper size correspondence table ..................231...

  • Page 158: Before Starting The Repair Work

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.1 Before starting the repair work (1) Confirm the basic check/inspection points described in User’s Manual. (2) Get the information/status from client at the time when the trouble has occurred as much in details as possible (3) Create the status close to the user’s status when the trouble has occurred, and...

  • Page 159: Troubleshooting Method

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5 troubleshooting method When a trouble occurs in this printer, perform troubleshooting by following the steps 7.5.1 LCD message list described below. Initializing Inspec- Panel display tion Details LINE Trouble occurs lamp lamp PLEASE WAIT It is displayed until the RAM expansion of the CU program is in progress.
  • Page 160 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Inspec- Inspec- Panel display LINE tion Details Panel display LINE tion Details lamp lamp lamp lamp Erasing Disk Indicates that it is in elimination process for hard Check Data Indicates that an error has occurred during writing nnn% disk.
  • Page 161 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL normal Panel display Inspec- Remedial LINE tion Details (The mark indicates no Panel display measure Inspec- lamp lamp Remedial message in the upper row.) LINE tion Details (The mark indicates no measure Printing demo page varies varies Indicates that a printer is in the midst —...
  • Page 162 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Panel display Panel display Inspec- Inspec- Remedial Remedial LINE tion Details LINE tion Details (The mark indicates no (The mark indicates no measure measure lamp lamp lamp lamp message in the upper row.) message in the upper row.) Deleting data Blink varies Cancel of the job is indicated.
  • Page 163 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Warning Panel display Inspec- Remedial LINE tion Details (The mark indicates no Panel display measure Inspec- lamp lamp Remedial message in the upper row.) LINE tion Details (The mark indicates no measure varies On This warning is displayed when the —...
  • Page 164 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Panel display Panel display Inspec- Inspec- Remedial Remedial LINE tion Details LINE tion Details (The mark indicates no (The mark indicates no measure measure lamp lamp lamp lamp message in the upper row.) message in the upper row.)
  • Page 165 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Panel display Panel display Inspec- Inspec- Remedial Remedial LINE tion Details LINE tion Details (The mark indicates no (The mark indicates no measure measure lamp lamp lamp lamp message in the upper row.) message in the upper row.)
  • Page 166 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Panel display Panel display Inspec- Inspec- Remedial Remedial LINE tion Details LINE tion Details (The mark indicates no (The mark indicates no measure measure lamp lamp lamp lamp message in the upper row.) message in the upper row.) varies On Density correction ID ERROR.
  • Page 167 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Panel display Panel display Inspec- Inspec- Remedial Remedial LINE tion Details LINE tion Details (The mark indicates no (The mark indicates no measure measure lamp lamp lamp lamp message in the upper row.) message in the upper row.) varies On Job is being restricted.
  • Page 168 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Panel display Panel display Inspec- Inspec- Remedial Remedial LINE tion Details LINE tion Details (The mark indicates no (The mark indicates no measure measure lamp lamp lamp lamp message in the upper row.) message in the upper row.)
  • Page 169 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL If a printer detects an un-recoverable error, the following service call error is displayed on the Inspec- Code Display on operator panel LINE tion Contents LCD. lamp lamp Service call Change paper of the...
  • Page 170 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Inspec- Inspec- Code Code Display on operator panel LINE tion Contents Display on operator panel LINE tion Contents lamp lamp lamp lamp Wait for a while. varies varies Indicates that the message data to be updated is Error Set in paper.
  • Page 171 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Inspec- Inspec- Code Code Display on operator panel LINE tion Contents Display on operator panel LINE tion Contents lamp lamp lamp lamp Change the toner cartridge. Blink Indicates that the waster toner of %COLOR% is...
  • Page 172 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Inspec- Inspec- Code Code Display on operator panel LINE tion Contents Display on operator panel LINE tion Contents lamp lamp lamp lamp Open the cover. Blink Indicates due to occurrence of paper jam, the Error Open the cover.
  • Page 173 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Inspec- Inspec- Code Code Display on operator panel LINE tion Contents Display on operator panel LINE tion Contents lamp lamp lamp lamp Replace the fuser. Blink Informs the image drum has reached end of line.
  • Page 174 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Inspec- Inspec- Code Code Display on operator panel LINE tion Contents Display on operator panel LINE tion Contents lamp lamp lamp lamp Wait for a while. Blink Indicates that the NIC program data to be Error Reboot the printer.
  • Page 175 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Table 7-1-2 Service Call Error List Display Cause Error details Remedial measure Display Cause Error details Remedial measure Contact the Service Flash File Failed to access to the Flash Turn off the power of the center.
  • Page 176 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Display Cause Error details Remedial measure Display Cause Error details Remedial measure Restart the printer. video Error Is the CU assembly installed Re-install the CU Contact the Service Environment Turn off the power of the...
  • Page 177 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Display Cause Error details Remedial measure Display Cause Error details Remedial measure Contact the Service The ID unit Is the ID unit installed Re-install the ID unit. Contact the Service Upper side Is the error message Turn on the power again.
  • Page 178 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Display Cause Error details Remedial measure Display Cause Error details Remedial measure 01: Same as the error no. Contact the Service Option unit I/F Turn on the power again. Contact the Service RFID reader Interface error with the RFID center.
  • Page 179 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Display Cause Error details Remedial measure Display Cause Error details Remedial measure Contact the Service Disk Security Turn the power OFF/ON. Contact the Service Mismatch of Unsupported toner cartridge Change to correct toner center.

  • Page 180: Preparation For Troubleshooting

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2 Preparation for troubleshooting (8-4) Two-sided printing jam occurs during transporting paper inside the Duplex unit..................201 (1) LCD display error ................... 180 (8-5) Paper is not supplied from the Duplex unit to the regist roller..... 201 (1-1) LCD does not display anything.

  • Page 181: 1) Lcd Display Error

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(1) LCD display error Action to be taken Check item Check work at NG Memo For the numbers from after the name of the respective connectors, (1-1-3) Check the peripherals of the power supplies refer to section 7.5.2 (19) “Wiring diagram”.

  • Page 182: Please Wait

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (1-3) Error messages related to Operator Panel are displayed. Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (1-1-5) LSI operation check (1-3-1) Error message...

  • Page 183: 2) Abnormal Operations Of Printer After The Power Is Turned On

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(2) Abnormal operations of printer after the power is turned on (2-2) Abnormal sound is heard. Action to be taken (2-1) Any operation does not start at all. Check item Check work at NG...

  • Page 184: Bad Odors Are Generated

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (2-3) Bad odors are generated. Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (2-2-3) Check the jumping phenomena of gear tooth. (Abnormal load of the consumable item)
  • Page 185 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (3) Paper Jams JAM location of occurrence outline chart When paper jams occur or paper remains in the printer, "Paper Jam", or "Paper Remain" is displayed on the operation panel. By pressing the Help button, a method to remove the paper is displayed, remove the paper in...
  • Page 186 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (3) Return the tray to the printer. Pull the tray. Pull the tray. Paper Jam Paper Remains. [Tray Name] [Tray Name] When the above messages are displayed. Tray1 is applied here as an example.
  • Page 187 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (3) Slowly pull out the jammed paper. Open the Cover. Open the Cover. If you see the top edge of paper If you do not see the top edge of paper Paper Jam Paper Remains.
  • Page 188 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (3) Uninstall the four image drum cartridges and put them on a flat table. Open the Cover. Open the Cover. Paper Jam Paper Remains. Top Cover Top Cover When the above messages are displayed.
  • Page 189 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (b) If you do not see the top edge or the bottom edge of jammed paper, pull out Pull up the jammed release level (2 levels) and then pull out the jammed paper to the front side.
  • Page 190 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (6) Set four image drums in the printer. (7) Close the top cover. 189 / 44015503TH Rev. 1...
  • Page 191 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (3) Close the duplex print unit cover. Check the duplex unit. Check the duplex unit. Paper Jam Paper Remains. When the above messages are displayed. (1) Hold and press down the jam release lever of the duplex print unit to open the duplex print unit cover.

  • Page 192: 3) Paper Feed Jam (Error Code 391: 1St Tray)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(3) Paper feed jam (error code 391: 1st tray) (3-2) Jam occurs immediately after the paper feed is started. (1st tray) Action to be taken (3-1) Jam occurs immediately after the power is turned on. (1st tray)
  • Page 193 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Action to be taken Action to be taken Check item Check work Check item Check work at NG at NG (3-2-4) Check the system connection (3-2-6) Check the system connection Paper feed motor Check the connection condition of the cable.

  • Page 194: 4) Feed Jam (Error Code 380)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(4) Feed jam (error code 380) (4-2) Jam occurs immediately after the paper feed is started. Action to be taken (4-1) Jam occurs immediately after the power is turned on. Check item Check work...

  • Page 195: 5) Paper Feed Jam (Error Code 390: Multipurpose Tray)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(5) Paper feed jam (error code 390: Multipurpose tray) Action to be taken Check item Check work at NG (5-1) Jam occurs immediately after the power is turned on. (Multipurpose tray) (4-2-4) Check the system connection...

  • Page 196: Jam Occurs Immediately After Paper Feed Is Started

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (5-2) Jam occurs immediately after paper feed is started. (Multipurpose tray) Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (5-2-3) Motor operation check...

  • Page 197: 6) Paper Running Jam (Error Code 381)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(6) Paper running jam (error code 381) (6-2) Jam occurs immediately after a paper is taken into printer. Action to be taken (6-1) Jam occurs immediately after the power is turned on. Check item...

  • Page 198: Jam Occurs In The Middle Of Paper Running Path

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (6-3) Jam occurs in the middle of paper running path. Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (6-2-4) Check the system connection...

  • Page 199: 7) Paper Unloading Jam (Error Code 382)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (6-4) Jam occurs immediately after paper has reached the fuser. 7.5.2.(7) Paper unloading jam (error code 382) Action to be taken (7-1) Paper unloading jam occurs immediately after the power is turned on. Check item...

  • Page 200: Paper Unloading Jam Occurs After A Paper Is Taken Into Printer

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (7-2) Paper unloading jam occurs after a paper is taken into printer. Action to be taken Check item Check work at NG Action to be taken Check item Check work at NG (7-2-4) Check the system connection...

  • Page 201: 8) Two-Sided Printing Jam (Error Code: 370, 371, 372, 373, 383)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(8) two-sided printing jam (error code: 370, 371, 372, 373, 383) (8-2) Two-sided printing jam occurs during taking in the paper into Duplex unit. Action to be taken (8-1) Two-sided printing jam occurs immediately after the power is turned on.

  • Page 202: Two-Sided Printing Jam Occurs In The Process Of Reversing Paper

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (8-3) Two-sided printing jam occurs in the process of reversing paper. (8-5) Paper is not supplied from the Duplex unit to the regist roller. Action to be taken Action to be taken Check item...

  • Page 203: 9) Paper Size Error (Error Code 400 And 401)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(9) Paper size error (error code 400 and 401) 7.5.2.(10) ID unit Up/Down error (service call 140 to 143) (9-1) Jam occurs when paper end is located near the IN1 sensor. (10-1) Error occurs during the Up movement of the ID unit...

  • Page 204: 11) Fuser Unit Error (Error 170 To 177)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(11) Fuser unit error (error 170 to 177) Action to be taken Check item Check work at NG (11-1) Error occurs immediately after the power is turned on. (10-1-3) Sensor check Action to be taken...

  • Page 205: 12) Motor Fan Error (Error Code 122, 127, 128, 918, 051)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(12) Motor fan error (error code 122, 127, 128, 918, 051) Action to be taken Check item Check work at NG (12-1) The low voltage power supply fan does not rotate immediately after the power is (11-2-2) Temperature increase of fuser unit turned on.

  • Page 206: 13) Print Speed Is Slow. (Performance Is Low.)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (12-3) All fans of the printer do not rotate. 7.5.2.(14) option unit cannot be recognized. Action to be taken (14-1) Duplex unit cannot be recognized. Check item Check work at NG Action to be taken...

  • Page 207: 15) Led Head Cannot Be Recognized

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(15) LED head cannot be recognized. (error code 131, 132, 133, 134) Action to be taken Check item Check work at NG (15-1) Service call 131 to 134 (LED HEAD Missing) (14-1-2) Check the system connection...

  • Page 208: 16) Toner Cartridge Cannot Be Recognized

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(16) toner cartridge cannot be recognized. (error code 540, 541, 542, Note! Toner sensor operation check method using the SWITCH SCAN function of the self-diagnostic mode. 543) (1) How to check operation of the toner sensor at the printer side.

  • Page 209: 17) Fuse Cut Error (Error Codes 150 To 155)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL (16-3) Error caused by the defective mechanism 7.5.2.(17) Fuse cut error (error codes 150 to 155) Action to be taken (17-1) Fuse cut error Check item Check work at NG Action to be taken...

  • Page 210: 18) Humidity Sensor Error (Error Code 123)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(18) Humidity sensor error (error code 123) Action to be taken Check item Check work at NG (18-1) Humidity sensor error (18-1-2) Environment condition Action to be taken Check item Check work at NG...

  • Page 211: 19) Wiring Diagram

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.2.(19) Wiring diagram Internal temperature Cover open thermistor Fuser switch FAN1 Cover open Front Rear Bottom Duplex unit sensor sensor sensor sensor sensor Printer main unit RFID Antenna Cable43 Fuser right-end FAN Board-POL Relay...

  • Page 212: Troubleshooting The Abnormal Images

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.3 troubleshooting the abnormal images (1) Color has faded-out and blurred entirely. (Refer to Figure 7-2 A.) ....212 (1-1) Color are faded-out and blurred............212 (2) Stain on white print (Refer to Figure 7-2 B.) ........... 213 (2-1) Stain on white print (Partial stain) ............

  • Page 213: 1) Color Has Faded-Out And Blurred Entirely

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.3.(1) Color has faded-out and blurred entirely. (Refer to Figure 7-2 A.) Action to be taken Check item Check work at NG (1-1) Color are faded-out and blurred. (1-1-5) ID unit installation condition Action to be taken...

  • Page 214: 2) Stain On White Print (Refer To Figure 7-2 B.)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.3.(2) stain on white print (Refer to Figure 7-2 B.) (2-2) Stain on white print (overall stain) (2-1) Stain on white print (Partial stain) Action to be taken Check item Check work at NG...

  • Page 215: 3) White Print (Refer To Figure 7-2 C.)

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.3.(3) White print (Refer to Figure 7-2 C.) Action to be taken Check item Check work at NG (3-1) White print over entire page (3-1-3) High voltage terminal Action to be taken Check item...

  • Page 216: 4) Black Banding/Black Streaking In Vertical Direction

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.3.(4) Black banding/black streaking in vertical direction 7.5.3.(5) Cyclic abnormality (Refer to Figure 7-2 E.) (4-1) Thin vertical line (with color) (Refer to Figure 7-2 D.) (5-1) Cyclic abnormality occurs in vertical direction Action to be taken...

  • Page 217: 6) Heavy Color Registration Error

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.3.(6) Heavy color registration error 7.5.3.(7) Entirely black print (6-1) Display of the message "Color adjustment is in progress" appears only short time. (7-1) All black print over entire page Action to be taken...

  • Page 218: 8) For The Entire Monochrome Print, It Does Not Being Printed

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.3.(8) For the entire monochrome print, it does not being printed. (8-1) Setting by mistake of the specific color print menu Action to be taken Check item Check work at NG (8-1-1) Status of specific color print menu Boot Menu item Check if the set value item of “Process Setup”...

  • Page 219: Network Troubleshooting

    PC to a printer. gateway address normally. (5) Check the Utilities. Check setting of the Check the setting items of the OKI LPR Utilities. Set the OKI LPR OKI LPR Utilities. Utilities setting items correctly. (6) Check the following from an OS standard port...
  • Page 220 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.4.1.1 Is the certificate created? 7.5.4.1.2 Is the ssL/tLs setting set to [on]? Log-on in as the administrator, and select "Security" "Encryption (SSL/TLS)". Log-on in as the administrator, and select "Security" "Encryption (SSL/TLS)". If the following screen is displayed, certificate of the printer is not created yet. (The same If the following screen is displayed, certificate has already been created, but the SSL/TLS screen is displayed when failed to create certificate.)
  • Page 221 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.4.1.3 Check version number of the Web browser For Netscape Launch the web browser and select "HELP" "Netscape". Check version number of the Web browser in use. Recommended version is Netscape 6 and higher.
  • Page 222 "Standard". Either, upgrade the browser until it supports 128 bits (high encryption) or set the printer encryption strength to "Weak". Press the "Oki Device Setup" button, or alternately select "Setup" "Oki Device Setup", and open the setup screen.
  • Page 223 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Check the "Encryption Strength". A message prompting your confirmation will be displayed. Click "yes". (NIC reboots in order to reflect the setup value.) If the printer is displayed in the printer list, the setup is complete with success.
  • Page 224 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Solution: Set the encryption strength to "Weak". How to change encryption strength with Telnet Note! Telnet cannot be used if it remains in the default setting. To change the encryption strength, Telnet must be set to Enable.

  • Page 225: Print Operation Is Not Possible

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.4.2 Print operation is not possible 7.5.4.2.1 Check os (operating system) The IPP print (encryption) function is supported by Windows 2000, Windows XP , Windows If print operation is not possible by using the encrypted IPP printer, check the followings.

  • Page 226: Cannot Create Certificate

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.4.3 Cannot create Certificate 7.5.4.4 Installation of Certificate is not possible When Certificate cannot be created, the following causes are probable. Take an appropriate When installation of Certificate fails, the following causes are probable.
  • Page 227 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.4.4.2 "network card is initialized" Press the "General" tab of the displayed Certificate information, and press "Install Certificate" button. If network card is initialized (to default setup) while creation of Certificate of certifying authority is in progress (during the period starting from creation of CSR up until installation of Certificate), the setup information of the Certificate is deleted.

  • Page 228: Other Questionnaires

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.4.5 other questionnaires 7.5.4.5.6 the error message "the security certificate was issued by a company you have not chosen to trust. View the certificate to Other probable questionnaires are described below. determine whether you want to trust the certifying authority" is displayed.
  • Page 229 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Press the "General" tab of the displayed Certificate information, and press "Install The "Certificate Import Wizard" is displayed. Install Certificate in accordance with Certificate" button. the displayed procedure. Select "Automatically select the certificate store based on the types of certificate".

  • Page 230: Restrictions When Using Internet Explore 7

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.5.4.6 Restrictions when using Internet Explore 7 Solution : When "Continue browsing this site (not recommended)" is clicked on the warning screen, the web page will be displayed. Several restrictions are imposed when using Internet Explore 7. This is because security However, it has no effect on the web page function.

  • Page 231: Fuse Check

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.6 Fuse check If the following error is issued, check the corresponding fuse of the CU control board, PU control board and high voltage power supply board. (Refer to Table 7-6.) Table 7-6 Fuse error...

  • Page 232: Paper Cassette Switches Versus Paper Size Correspondence Table

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.7 Paper cassette switches versus Paper size correspondence table Bit Number 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 233: Data Protection Kit-A3

    7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL 7.8 Data protection kit-A3 HDD in which board is installed 7.8.1 Data protection kit-A3 (DPK-A3) overview <Top panel> Purpose: By encrypting data to be stored in HDD, data is protected from eavesdropping even when HDD is stolen.
  • Page 234 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL specification for safety: Error processing flow when the error 001-073, -254 has occurred (CU board related error) • If the data protection kit-A3 is removed from printer or swapped by others, it is Does the printer work normally when the CU (Analysis is not possible.)
  • Page 235 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Error processing flow when error 252, 253, 256 has occurred (HDD related error - ) Error processing flow when error 251, 253 has occurred (HDD related error - ) Error display Error contents Error display...
  • Page 236 7. TROUBLESHOOTING PROCEDURE Oki Data CONFIDENTIAL Error processing flow when error 250, 257 has occurred (HDD related error - ) If the printer does not start up normally while showing communication error and LCD does not show any display. Error display...

  • Page 237: Connection Diagrams

    Oki Data CONFIDENTIAL ConnECtIon DIAGRAMs Resistance value check ............237 Parts location ................241 F/W version number ..............251...

  • Page 238: Resistance Value Check

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.1 Resistance value check Unit Electrical circuit diagram, connection Part outside view Resistance value Blown Transport belt Between pin-1 and pin-2: 3.4Ω motor Between pin-3 and pin-4: 3.4Ω yellow Blue ID motor Across both ends of F1: 1Ω or less 237 / 44015503TH Rev.
  • Page 239 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view 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 Across both ends of IP1: 1Ω or less 238 / 44015503TH Rev.
  • Page 240 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Between pin-1 and pin-2: 3.4Ω Feed motor Between pin-3 and pin-4: 3.4Ω Both-sided print Between pin-1 and pin-2: 2.4Ω motor Between pin-3 and pin-4: 2.4Ω...
  • Page 241 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Unit Electrical circuit diagram, connection Part outside view Resistance value Thermostat Upper #1 800W Upper #2 350W Lower 13P-RWZv-K4GG-P4 CZHR-07v-S Upper center thermisor Upper center Between pins A-6 and A-7: Approx. 8058kΩ to 5338kΩ (0 to 93°C)

  • Page 242: Parts Location

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.2 Parts location (1) Print Engine Controller PCB (PU PCB) A specified product number is shown in RSPL. Component side SIZE HOPIDUP FET3 FET1 R96 R94 R92 R97 R95 R93 FET2 R103 FET4 R105...
  • Page 243 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Soldering side R510 R616 C537 R590 R580 R579 BF502 R565 R577 R578 R556 FET508 R536 C553 Q502 R509 C544 R564 R576 C543 R575 R563 C558 R595 R607 C552 R554 R574 R562 R573 BF504 R572...
  • Page 244 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (2) Main Controller PCB Component side 243 / 44015503TH Rev. 1...
  • Page 245 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL Soldering side C774 C773 C798 C765 C764 C763 C762 C794 R668 R667 C753 C752 C743 C744 C783 C780 C736 C735 C734 R711 R665 R664 R709 C725 C778 C716 C717 R677 C713 C712 C711 C705 C704...
  • Page 246 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (3) Rellay PCB(P6y PCB) Component side DENS FUSERIN Soldering side BFUSE BFUCUT 245 / 44015503TH Rev. 1...
  • Page 247 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (4) Both-sided Printing Control PCB(v7y-4 PCB) Component side Soldering side MAIN1 D510 FET502 R542 R541 C535 R544 R543 R501 J520 R511 J503 R506 Q502 R557 R556 TR502 R555 R554 R553 R552 J514 C504 J505...
  • Page 248 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (5) Second Tray Control PCB(v7y-11 PCB) Component side Soldering side MAIN1 D510 FET502 R542 R541 C535 R544 R543 MAIN2 R501 J520 R511 J503 R506 Q502 R557 C519 R556 TR502 C518 R555 C517 R554 C516...
  • Page 249 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (6) Control Panel PCB(PRG PCB) (7) Toner Low Sensor PCB(PRZ PCB) Component side Soldering side SSNS LED1 LED2 248 / 44015503TH Rev. 1...
  • Page 250 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (8) Entrance Sensor PCB(RSF PCB) (11) Low-voltage Power Supply PCB (9) Color Adjustment Sensor PCB(PRC PCB) (10) High-voltage Power Supply PCB TR-K TR-y TR-M TR-C 249 / 44015503TH Rev. 1...
  • Page 251 8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL (12) ID unit (13) Transfer belt unit ID unit (for consumable parts) Transfer belt unit (for consumable parts) Contactor point Contactor point Fuse Fuse Toner Low Sensor PCB (PRZ PCB) Relay PCB Contactor point...

  • Page 252: F/W Version Number

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.3 F/W version number 8.3.1 RoM control number 8.3.2 RoM version check and display CU F/W Loader (1) Perform the menu map printing and confirm that the F/W version number has been NIC F/W 44161001Fy03...

  • Page 253: Pcb Maintenance Indication Stamp

    8. CONNECTION DIAGRAMS Oki Data CONFIDENTIAL 8.3.3 PCB Maintenance Indication stamp The specified article numbers are stamped in the PCB Maintenance Indication column on the CU PCB in accordance with the table shown below. IC_VREF CP12 DLMODE GND1 C154 2.5V_2...

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