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Oki OKIOFFICE 84 Service Manual

Oki OKIOFFICE 84 Service Manual

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Table of Contents

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Download this manual See also: User Manual, Setup Manual
Service Guide OKIOFFICE 84
Chapter
0 About This Manual
Front Cover
OKIOFFICE 84
MULTIFUNCTIONAL PRODUCTS
Adobe Acrobat printable reference copy
of the OKIDATA Service Training Manual.
10/01/99
Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures
rendered at 72 dpi, which is ideal for screen viewing. For future updates to this manual, and
Business Partner Exchange (BPX) at
more on-line information visit our
http://bpx.okidata.com
.

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Summary of Contents for Oki OKIOFFICE 84

  • Page 1 Service Guide OKIOFFICE 84 Chapter 0 About This Manual Front Cover OKIOFFICE 84 MULTIFUNCTIONAL PRODUCTS Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 10/01/99 Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 72 dpi, which is ideal for screen viewing.

  • Page 2: Table Of Contents

    1 General Information 1.1 General Performance 1.2 General User's Function 1.3 General Maintenance Functions 1.4 General Appearance ..1.4.1 General Appearance of OKIOFFICE 84 ..1.4.2 Control Panel 1.5 Basic Performance Specifications ..Table 1.5.1 (1/9) Basic Performance Specifications ..Table 1.5.1 (2/9) Basic Performance Specifications ..Table 1.5.1 (3/9) Basic Performance Specifications...
  • Page 3 Table of Contents Page ..2.9.2 Technical Functions ..Service Personnel Initial Settings Table 2.9.2 (1/7) ..Service Personnel Initial Settings Table 2.9.2 (2/7) ..Service Personnel Initial Settings Table 2.9.2 (3/7) ..Service Personnel Initial Settings Table 2.9.2 (4/7) ..Service Personnel Initial Settings Table 2.9.2 (5/7) ..Service Personnel Initial Settings Table 2.9.2 (6/7) ..Service Personnel Initial Settings Table 2.9.2 (7/7) ..TEL/FAX Automatic Switching...
  • Page 4 Table of Contents Page ..2.9.5 User's Functions Example ..2.9.6 Clock Adjustment ..2.9.7 Dual Access Operation ..2.9.8 System Data Programming ..2.9.9 Dial Parameter Settings ..Procedure ..Default Settings of Dial Parameters ..Dial Parameters Settings (Table 2.9.9) ..2.9.10 Off-line Tests ..Self-Diagnosis Print Test (Example) 3 Brief Technical Description Electrophotographic Process Flow 3.1 Fundamentals of the Electro-Photographic Process...
  • Page 5 Table of Contents Page 6 Cleaning and Maintenance 6.1 Replacement of Consumables ..User Replaceable Items Life ..Service Parts Life ..Consumables Diagram (Figure 6.1.1) ..Reliability Table (6.1.1) 6.2 Preventative Maintenance ..Preventative Maintenance (Table 6.2.1) ..Preventative Maintenance Diagram (Figure 6.2.1) 6.3 Printer Counter Display/Clear (User) 6.4 Printer Counter Display/Clear (Service) 6.5 Self-Diagnosis Test ..Self-Diagnosis Test Sample (Figure 6.5.1)
  • Page 6 ....14: Poor Fusing A Board Descriptions Preface Service Caution A1.1 Unit Configuration and Block Diagram ..OKIOFFICE 84 Block Diagram Figure (A1.2.1) ..Block Diagram Abbreviations A1.2 Function of Each Unit ..Main Control (R51) Board ..Operation Panel Unit: O4W board ..NCU Board ..Power Supply Unit...
  • Page 7 ..A3.1.15 High/Medium Voltages Control Figure ..A3.1.16 Related Signals of IEXSEED Figure A3.2 OPE (04W) Circuit Diagram A3.3 Power Supply Unit for OKIOFFICE 84 ..A3.3.1 048 POW (120V/230V) Circuit Diagram ..Block Diagram of 048 POW (Figure A3.5.1) A3.4 P2H Circuit Diagram A3.5 UNC, WN5, FN5 and DN5 Circuit Diagram...
  • Page 8 Table of Contents Page Section 11: Printer Base Frame Unit (1 of 2) Section 11: Printer Base Frame Unit (2 of 2) Section 12: Cables...

  • Page 9: About This Manual

    Completing the Course Refer to the Certification Manual for information on completing the course. P/N 58323301 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 10: Copyright

    Web Site Copyright Listing OKIDATA is a registered trademark of Oki Electric Industry Company, Ltd.; marques deposee de Oki Electric Industry Company, Ltd.; marca registrada, Oki Electric Industry Company, Ltd. Faxable Facts is a trademark, All Rights Reserved, 1993 IBM, PC, PC-DOS, and Proprinter XL are registered trademarks of International Business Machines Corporation.

  • Page 11: General Information

    Recording paper or sheet First tray: North American Letter/Legal/A4-size plain paper cut OKIOFFICE 84 100 sheets capacity (20-1b bond*) Manual loading feeder: Transparency for overhead projector, applicable. OKIOFFICE 84 Sheet size: Letter/Legal/A4-size * Oki Data Recommended paper Printable width For OKIOFFICE84 North American: 203.2 mm (8 inches) / 203.2 mm (8 inches) for assured quality...
  • Page 12 PC Printer Function PC Scanner Function PC Fax Modem Function Location Programming Function NA = North America Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 13: General User's Function

    Page: 5 Service Guide OKIOFFICE 84 Chapter 1 General Information 1.2 General User's Function Transmit mode Automatic transmit mode Manual transmit mode Receive mode Automatic receive mode Manual receive mode TEL/FAX automatic switchover mode TAD mode Memory only receive mode...
  • Page 14 Confidential reception report Configuration report Telephone directory Power outage report Restricted access Continuous alarm tone Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 15: General Maintenance Functions

    Tone (TEL/FAX) test Remote diagnosis System reset Service default report (Machine setting for service engineer) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 16: General Appearance

    1.4 General Appearance Figure 1.4.1 shows the general appearance of the OKIOFFICE 84 Figure 1.4.2 Control Panel Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 17: General Appearance Of Okioffice

    Figure 1.4.1 shows the general appearance of the OKIOFFICE 84 Figure 1.4.1 General Appearance of OKIOFFICE84 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 18: Control Panel

    Page: 9 Service Guide OKIOFFICE 84 Chapter 1 General Information 1.4.2 Control Panel Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 19: Basic Performance Specifications

    Table 1.5.1 (7/9) Basic Performance Specifications Table 1.5.1 (8/9) Basic Performance Specifications Table 1.5.1 (9/9) Basic Performance Specifications Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 20 5) Opacity Documents allowing less than 40% of the scanner source light to pass through them. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 21 Document jam removal Manual release Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 22 2) L-type paper for photo-printers Recording paper cassette 100 sheets / tray (Oki Data recommended paper) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 23 Page: 14 Service Guide OKIOFFICE 84 Chapter 1 General Information Table 1.5.1 (4/9) Basic Performance Specifications Item Specifications Effective recording area Note: These tables do not include vertical and horizontal addressing deviations (+ or =3 mm) of recording paper. 1) Printable area...
  • Page 24 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 25 Page: 15 Service Guide OKIOFFICE 84 Chapter 1 General Information Table 1.5.1 (5/9) Basic Performance Specifications Item Specifications Copy stacking The fax can discharge printed copies and stack them faceup. Maximum sheets on the copy stacker: 30* Note*: Oki Data recommended paper...
  • Page 26 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 27 (This function is disable when the H/Modem rate is set to 9.6 kbit/s by TS No.13) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 28 Standard (1 M-byte) Note: ITU-T No. 1 sample document is used to count the number of sheets. (MMR/STD/Sender ID : off) Note: OKIOFFICE 84 does not back up the message received in memory for the power failure. Item Specifications Overheat protection The heater of the fuser unit is controlled within the predetermined temperature range by the thermistor.
  • Page 29 Ambient condition 1) Operating condition See Figure 1.5.1 2) Storage condition See Figure 1.5.1 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 30 Page: 19 Service Guide OKIOFFICE 84 Chapter 1 General Information Table 1.5.1 (9/9) Basic Performance Specifications (Note) The curve connecting 28°C, 85% and 0°C, 64% is the condensation curve. Figure 1.5.1 Ambient Conditions Item Specifications Dimension (Main body) 1) Width: Approx. 316 mm 2) Depth: Approx.
  • Page 31 6) Line cord x 1 7) One touch sheet x 1 (Already installed) 8) User's guide x 1 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 32: Reports And Lists

    Table 1.6.1 (1/2) Reports and Lists Specifications Table 1.6.1 (2/2) shows Reports and Lists Specifications Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 33: Reports & List Specifications (1/2)

    Page: 21 Service Guide OKIOFFICE 84 Chapter 1 General Information 1.6.1 Reports & List Specifications (1/2) Note: F +OT: Press FUNCTION and One-touch key Function program setting Technical function setting Item Specifications Call-back message The transmitter sends a call-back message to the receiver only when the receiver does not respond to voice request of the transmitter.
  • Page 34 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 35: Shows Reports And Lists (2/2)

    Confidential RX Report Telephone Directory Configuration Report (User) Service Default Report (Configuration Report: Service bit=ON) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 36 (3) CSI/Personal ID (4) Letters "PLEASE CALL BACK" (5) Sender ID (6) Sender's call back telephone number Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 37 Page: 24 Service Guide OKIOFFICE 84 Chapter 1 General Information Sender ID Format: (Example) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 38 TSI Printing and Local Date and Time Printing Format: (Example) Note: TSI printing (TF+05) Local date and time printing (TF+04) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 39 Power Outage Report Format: (Example) Note: Memory reception only is printed on the mode in the report as called. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 40 Page: 27 Service Guide OKIOFFICE 84 Chapter 1 General Information Activity Report Format: (Example) (1) Title of the report (2) Date and time when the report was printed...
  • Page 41 The memory cancellation operation removes the message from the active memory files. (12) Service code Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 42 Page: 28 Service Guide OKIOFFICE 84 Chapter 1 General Information Active Memory Files (1) RECEPTION (Memory reception) Prints the information of no paper/no toner reception. ENTRIES is the number of received communication times stored in the memory. PAGES is the number of total pages of the reception messages stored in the memory.
  • Page 43 When there is no stored image data in the memory at all, this Active Memory Files is not printed out. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 44 Page: 29 Service Guide OKIOFFICE 84 Chapter 1 General Information Message Confirmation Report Format: (Example) (Example 1 of 2) (Example 2 of 2)
  • Page 45 (1) Title of the report (2) Date and time when the report was printed (3) Sender ID (4) Date of transmission or reception (5) Length of time for which the fax was connected to the line (6) Identification of the remote station Personal ID/Location ID/TSI/CSI/Dial number (7) Communication mode Reference to ACTIVITY REPORT...
  • Page 46 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 47 Page: 30 Service Guide OKIOFFICE 84 Chapter 1 General Information Broadcast Entry Report Format: (Example)
  • Page 48 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 49: Broadcast Confirmation Report Format: (Example)

    Personal ID, TSI, Location ID or Dial number (Printing in this order depending if information is programed in remote fax machine) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 50: Confidential Reception Report Format: (Example)

    Page: 32 Service Guide OKIOFFICE 84 Chapter 1 General Information Confidential Reception Report Format: (Example) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 51: Telephone Directory: Example

    Page: 33 Service Guide OKIOFFICE 84 Chapter 1 General Information Telephone Directory: Example (Example 1 of 3)
  • Page 53 (Example 2 of 3) (Example 3 of 3)
  • Page 54 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 55: Configuration Report (User)

    Page: 34 Service Guide OKIOFFICE 84 Chapter 1 General Information Configuration Report (User)
  • Page 56 *1 Function 21 is printed out when the MFP Operation ON/OFF setting is set to ON from HOST to MFP.
  • Page 57 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 58: Service Default Report

    Service Guide OKIOFFICE 84 Chapter 1 General Information Service Default Report (Configuration Report: Service bit=ON) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 59: Installation

    Page: 36 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.1 General Setup Information The following flowchart outlines the installation procedure.
  • Page 62 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 63: Site Selection

    Page: 37 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.2 Site Selection INSTALLATION Precautions for Installation Fluctuation in line voltage 120V AC (102V to 127V) 230V AC (198V to 264V) Room temperature 50 to 90 degrees Fahrenheit (10 to 32 degrees Celsius)
  • Page 64 Note:...
  • Page 65 This space is necessary for installing the document stacker. This space is necessary for ventilation. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 66: Unpacking

    Page: 38 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.3 Unpacking Procedure Remove tape on the top of the carton box and open its cover. Figure 2.3.1.1 Unpacking Procedure (1) Take out the accessory box from the carton box. (See Figure below 2.3)
  • Page 67 Figure 2.3 Unpacking Procedure (2)
  • Page 68 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 69 Line cord One touch sheet Already installed. User's guide Tray paper Tray document Document stacker Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 70 Page: 40 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.5 Installation of Attachments Items Image Drum (ID) Unit (already installed) Toner cartridge Recording paper Tray-paper, Tray-document and Document-stacker Procedure 1) Toner cartridge Peel off the fixed tape attached to the cover-top.
  • Page 71 Take out the toner cartridge from the damp proof bag, shake it five or six times as shown in the illustration to eliminate the otner deflection, and peel off the seal gently. Figure 2.5.3 Toner Cartridge Installation (3) Ensure that the plastic tab on the right-hand side of the toner cartridge recess lines up with the groove on the toner cartridge.
  • Page 72 Figure 2.5.4 Toner Cartridge Installation (4) Push the gray tab forward until it stops. Figure 2.5.5 Toner Cartridge Installation (5)
  • Page 73 Clean the toner scattered in the vicinity of the toner cartridge using a cloth moistened with cold water. Do not use hot water since it makes the toner stick there. Close the cover assembly-top until the buttons have been locked completely. Recording paper Note: About 100 sheets of the new paper can be set on the tray-paper.
  • Page 74 Figure 2.5.7 Document Stacker Installation Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 75 Turn the power switch ON and check that the display shows "(Time)" message indicating the standby mode. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 76 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.7 Telephone and Line Connections Procedure Connect the lines. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 77 UNIT AND SHIP SEPARATELY! Failure to do this will result in damage to the machine. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 78 2.9.9 Dial Parameter Settings 2.9.10 Off-line Tests 2.9.11 On-line Tests 2.9.12 Installation of Optional Units Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 79 2.9.1 General Procedure of Key Operation Figure 2.9.1 shows the general procedure of key operation. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 80 Page: 46 Service Guide OKIOFFICE 84 Chapter 2 Installation Key Operation Flowchart...
  • Page 82 Note: When the machine is in POWER SAVE MODE, the machine returns to standby mode by pressing the START key. In case of Germany, Austria and Switzerland version, ACTIVITY REPORT message does not appear on the LCD display. User can read no. of counter in LCD but can not clear. Effective if the service bit is set to ON.
  • Page 84 User can not select in some countries. When the service bit is set to OFF, ERR. REPORT (MCF.) of No. 03, RING RESPONSE of No. 11, DISTINCTIVE RING of No. 12 and POWER SAVE MODE of No. 18 are bypassed to the next function No. in some countries. Effective if the service bit is set to ON.
  • Page 86 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 87 The fonts displayed on the LCD operation panel may differ from fonts written this manual. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 88 When TF04 is set to "ALL", TSI is printed for the all received pages. ON : Enable OFF : Disable (Reference) TSI; Transmitting Subscriber Identification Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 90 Page: 49 Service Guide OKIOFFICE 84 Chapter 2 Installation Service Personnel Initial Settings Table 2.9.2 (2/7) T.F. Item Specifications Default TAD mode Switches an automatic voice message response to (For external telephone answering the calling station. device.) TAD mode is of three types (TYPE1/TYPE2/TYPE3).
  • Page 91 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 92 Page: 50 Service Guide OKIOFFICE 84 Chapter 2 Installation Service Personnel Initial Settings Table 2.9.2 (3/7) T.F. Item Specifications Default MDY/DMY Switches LCD display and report print from month/day/year to day/month/year or vice versa. MDY/DMY selectable. Long document SCAN Switches the function of transmitting long-size document (more than 360 mm).
  • Page 93 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 94 Page: 51 Service Guide OKIOFFICE 84 Chapter 2 Installation Service Personnel Initial Settings Table 2.9.2 (4/7) T.F. Item Specifications Default T2, timeout value T2, timeout value (layer) Registers the time duration (in seconds) for which the receiving fax detects the EOL (End Of Line) signal during phase C.
  • Page 95 0 to 15 dB. selectable Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 96 Page: 52 Service Guide OKIOFFICE 84 Chapter 2 Installation Service Personnel Initial Settings Table 2.9.2 (5/7) T.F. Item Specifications Default Note: The send signal power level should meet your country's regulation. Some countries may specify the power level at a telephone exchange.
  • Page 97 LED print head serial number. (i.e. in ..212, 212 is the intensity ranking.) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 98 DCS signal (The fax does not transmit NSC signal.) When Remote Diag. = ON, the fax transmits NSF signal. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 99 OFF: To disable (For the details, see Appendix A3, Section 4.5. Outline of Parallel Pick Up.) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 100 A choice of TAD mode is available by Technical Function No. 06. Note 2: The predetermined time is selectable between 20 or 35 sec. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 101 Page: 56 Service Guide OKIOFFICE 84 Chapter 2 Installation TEL/FAX Mode Flow Chart...
  • Page 102 [Notes] Ring Back Tone -- 1 sec. ON, 3.2 sec. OFF When you want to talk by phone, pick up handset. The called party can send CED to the calling party immediately to start FAX communication if the CNG is...
  • Page 103 If the fax does not detect CNG signal during working of TEL/FAX mode, LCD display indicates "LIFT HANDSET". Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 104 *1 To enable the manual TX mode. Load document ---> Press START button ---> Manual transmission Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 105 When the fax does not detect CNG signal and ends TAD operation (on-hook of TAD operation), the fax return to standby state. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 106 Page: 59 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.3 Technical Functions Example Service Bit Setting 1) Purpose To enable or disable the following functions: Drum and toner counter display (clear) Service default report printing Protocol dump report printing Ring response time setting...
  • Page 107 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 108 Page: 60 Service Guide OKIOFFICE 84 Chapter 2 Installation Technical Functions 01 to 11 (Table 2.9.3, 1/5)
  • Page 110 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 111 Page: 61 Service Guide OKIOFFICE 84 Chapter 2 Installation Technical Functions 12 to 16 (Table 2.9.3, 2/5)
  • Page 112 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner...
  • Page 113 Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 114 Page: 62 Service Guide OKIOFFICE 84 Chapter 2 Installation Technical Functions 24 to 27 (Table 2.9.3, 3/5)
  • Page 116 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 117 Page: 63 Service Guide OKIOFFICE 84 Chapter 2 Installation Technical Functions 17 to 23 (Table 2.9.3, 4/5)
  • Page 119 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 120 Service Guide OKIOFFICE 84 Chapter 2 Installation Technical Functions 28 to 31 (Table 2.9.3, 5/5) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 121 S-ON: Effective if the service bit has been set on. FP: Function program setting TF: Technical function setting Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 122 (20 sec. or 35 sec.), the fax automatically starts a document receive operation. * FP + 10 (To determine the timer.) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 123 Manual loading feeder One single sheet from the feeder below the paper exit can be copied. Example of sheets: Transparency for an overhead projector Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner...
  • Page 124 Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 125 An operator can also prepare documents for transmission during transmission from memory. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 126 Refer to sub-section 2.9.7 for dual access operation. For the patterns of dual access refer to the following, Dual Access Combination Table. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 127 Page: 70 Service Guide OKIOFFICE 84 Chapter 2 Installation User's Function Table 2.9.4 (5/5) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 128 Page: 71 Service Guide OKIOFFICE 84 Chapter 2 Installation User's Initial Settings Note: The font displayed on the LCD operation panel may differ from fonts written in this manual. 2)-1 One Touch Key Operations...
  • Page 130 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 131 OKIFAX 2350/1050: 01 to 08 OKIFAX 2450: 01 to 16 OKIFAX 5300: 01 to 08 OKIFAX 5600: 01 to 16 OKIOFFICE 84: 01 to 08 Relay broadcast initiate This function automatically originates a message call transmission via relay key station which must be equipped with OKIFAX 2600, up to 120 locations for OKIFAX 2600.
  • Page 132 Polling transmission/reception Polling RX: The fax can collect documents from one remote station. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 133 Page: 73 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.4 (2/5) User's Initial Settings (One-Touch Key) F+OT Item Specifications Report Printing The report print in 6 items are as follows: 1. Activity report 2. Broadcast message confirmation report (Multi location) 3.
  • Page 134 Display shows how many times document has been passed the ADF. But user cannot clear this number. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 135 Page: 74 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.4 (3/5) User's Initial Settings (One-Touch Key Program) F+OT Item Specifications Location program One-touch keys allow registering: 1. One-touch key (1) Telephone number (numeral, -, P and space) in 32 digits.
  • Page 136 28: ONE TOUCH PARAMETER Refer to Table 2.9.4 for specification of the function programs No. 01 through 28. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 137 Page: 75 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.4 (4/5) User's Initial Settings (One-Touch Key Program) F+OT Item Specifications 2. Dial parameters 1. REDIAL TRIES 2. REDIAL INTERVAL 3. DIAL TONE DETECT 4. BUSY TONE DETECT 5. MF (TONE)/DP (PULSE) 6.
  • Page 138 ID (Department No.) when Restrict Access of user's setting No. 26 is set to ON. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 139 This drum cleaning function removes the residual toner on the I/D (image drum) Unit surface by printing. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 140 Page: 77 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.4 (1/5) User's Initial Settings (Functions Program) 2)-2 Function Program F+OT Item Specifications Message confirmation report Enables or disables the automatic message (Single location) confirmation report printing after a single location call.
  • Page 141 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 142 Page: 78 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.4 (2/5) User's Initial Settings (Functions Program) F+OT Item Specifications Closed network The fax compares lower four digits of TSI/CSI received from remote station with fax numbers registered locally for one-touch dial and two-digits autodial. If unmatched, the communication will be automatically disconnected.
  • Page 143 Note: OTHER message appears when operating with MFP terminal. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 144 Page: 79 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.4 (3/5) User's Initial Settings (Functions Program) F+OT Item Specifications User language A choice of 2 languages for LCD and print message are available. GER, FRE etc. are displayed instead of ANOTHER.
  • Page 145 Enables or disables the remote diagnosis function when the machine can allow remote diagnosis from remote center. ON: Enables OFF: Disables Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 146 Page: 80 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.4 (4/5) User's Initial Settings (Functions Program) F+OT Item Specifications PC/FAX switch To enable or disable PC interface function. When PC reception is not available, for example, application is not activated on the PC or cable is missing between PC and fax etc., this setting allows to...
  • Page 147 (FAX terminal). ON: Enables Restricted Access OFF: Disables Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 148 OFF: Disables 2. High speed modem rate Specifies the modem's starting speed 14.4k, 9.6k or 4.8kbps. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 149 The fonts displayed on the LCD operation panel may differ from fonts written in this manual. 1) Function Program Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 150 Page: 83 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.5 (1/3) User's Functions...
  • Page 152 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 153 Page: 84 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.5 (2/3) User's Functions...
  • Page 155 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 156 Page: 85 Service Guide OKIOFFICE 84 Chapter 2 Installation Table 2.9.5 (3/3) User's Functions...
  • Page 158 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 159 Page: 86 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.5 User's Functions Note1: RESOLUTION & ORIGINAL of TX mode default setting can be selected by using --> key. Note2: When the service bit is set to "off" and the corresponding bit of XPARA of national code is set to "off", Ring...
  • Page 160 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 161 Before specifying the ring response time, set the service bit on following the operations shown in 2.9.3 (1). (Service Bit Setting). Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 162 Page: 88 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.5 User's Functions Example 3) Dial parametes (In case the service bit is "OFF".) To get the "DIAL PARAMETER" message on the display, perform the same operetion as Table 2.9.6. (Dial...
  • Page 164 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 165 Page: 89 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.5 User's Functions Example The following table can be set depending on the National codes even is the series bit is "off". Dial parameters setting if the service bit "OFF"...
  • Page 166 Note: The blank in the table is not indicated on the LCD. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 167 Page: 90 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.6 Clock Adjustment Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 168 Page: 91 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.7 Dual Access Operation...
  • Page 170 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 171 Page: 92 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.8 System Data Programming TSI/CSI (Default: Blank) Registration of sender ID (Default: Blank) Registration of telephone number for the call-back message (Default: Blank)
  • Page 172 Note: Use the UNIQUE key to input special symbols.
  • Page 173 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 174: Default Settings Of Dial Parameters

    2.9.9 Dial Parameter Settings Procedure Default Settings of Dial Parameters Dial Parameter Settings (Table 2.9.9) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 175 Page: 94 Service Guide OKIOFFICE 84 Chapter 2 Installation Procedure 1) Procedure The following shows the case in which the serve bit is on.
  • Page 177 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 178 Page: 95 Service Guide OKIOFFICE 84 Chapter 2 Installation Default Settings of Dial Parameters 2) Purpose Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 179: Dial Parameters Settings (Table 2.9.9)

    IT2 detect (FRE only) Selects 2nd dial tone detection ON/OFF selectable. (FRE only) ON: Enable OFF: Disable Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 180: Off-Line Tests

    Page: 97 Service Guide OKIOFFICE 84 Chapter 2 Installation 2.9.10 Off-line Tests (1) Purpose Activate self-diagnosis which includes: Print test CPU-ROM version printing CPU-RAM check PROG version printing LANGUAGE version printing DEFAULT version printing RAM check RAM check (memory board: optional)
  • Page 181 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 182: Self-Diagnosis Print Test (Example)

    Page: 98 Service Guide OKIOFFICE 84 Chapter 2 Installation Self-Diagnosis Print Test (Example)
  • Page 184 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 185: Brief Technical Description

    Page: 99 Service Guide OKIOFFICE 84 Chapter 3 Brief Technical Description Electrophotographic Process Flow Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 186: Fundamentals Of The Electro-Photographic Process

    Page: 100 Service Guide OKIOFFICE 84 Chapter 3 Brief Technical Description 3.1 Fundamentals of the Electro-Photographic Process The electro-photographic process involves six sub-processes: (1) Charging (2) Exposure (3) Development (4) Transfer (5) Fusing (6) Cleaning Outline of each process is explained below.
  • Page 187 Image drum surface. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 188: Actual Electrophotographic Process

    3 : Developing 4 : Transfer 5 : Fusing 6 : Cleaning Figure 3.2.1 Actual EP Process Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 189: Board And Units

    Power supply unit POW UNIT: (MPW1446; 230V/MPW1546; 120V, P2H, P6L) Printer unit Figure 3.3.1 shows the related drawing of the facsimile transceiver. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 190: Block Diagram (Figure 3.3.1)

    Page: 103 Service Guide OKIOFFICE 84 Chapter 3 Brief Technical Description Block Diagram (Figure 3.3.1) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 191 Page: 104 Service Guide OKIOFFICE 84 Chapter 3 Brief Technical Description 3.4 Overall Dimension and Mechanical Structure...

  • Page 192: Overall Dimension And Mechanical Structure

    Figure 3.4.1 Overall Dimension and Mechanical Structure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 193: Disassembly

    4.1 General This chapter explains the procedures for replacement of assemblies and units in the field. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 194: Precautions For Parts Replacement

    No. 26, and the LED printhead width by the technical function No. 27 (Refer to table 2.9.1). Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 195: Tools

    Table 4.1 shows the tools required for the replacement of parts such as circuit boards and mechanical units. Table 4.1 Tools Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 196: How To Disassemble And Reassemble

    Figure 4.3 shows the disassembly procedure flow as generalization. The detailed disassembly procedure is explained from sub-section 4.3.1 to 4.3.18. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 197: Disassembly Procedure Flow Figure 4.3 (1/2)

    Page: 109 Service Guide OKIOFFICE 84 Chapter 4 Disassembly Disassembly Procedure Flow Figure 4.3 (1/2)
  • Page 198 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner...
  • Page 199 Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 200: Disassembly Procedure Flow Figure 4.3 (2/2)

    Page: 110 Service Guide OKIOFFICE 84 Chapter 4 Disassembly Disassembly Procedure Flow Figure 4.3 (2/2)
  • Page 201 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 202: Whole Unit Picture

    Page: 111 Service Guide OKIOFFICE 84 Chapter 4 Disassembly Whole Unit Picture Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 203: Led Print Head

    Page: 112 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.1 LED Print Head Two LED print heads are available.. (208 mm (8.18 inch) width or 216 mm (8.5 inch) width) Disassembly procedure a) Open the cover assembly-top by raising the cover in the direction of the arrow.
  • Page 204 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 205: Image Drum Unit, Rear-Cover, Cover-Main And

    Page: 113 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.2 Image Drum Unit, Rear-cover, Cover-Main and Board-NCU Disassembly procedure a) Open the cover assembly-top by raising. b) Remove the image drum unit. c) Cover-Rear: Remove the Cover-Rear by removing the screw 1 and the detach the fixing hooks (4).
  • Page 206 d) First, move the center of Guide-paper (L) and (R) of Holder assembly, and then, open the Cover-Main from the rear side.
  • Page 207 e) Board-NCU: Remove the Board-NCU by removing the two screw 3 and disconnect the connector (CN3) Note: from Board-NCU. Board-NCU can be removed without removing the Cover-Main. Reassembly procedure...
  • Page 208 Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 209: Unit 0-48 Ope-Panel

    Page: 114 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.3 Unit 0-48 OPE-Panel (1) Disassembly procedure a) First, carry out the disassembly procedure up to the point of the (Item (e). Cover-main). b) Dismount the Printer-Unit. c) Open the OPE-panel assembly.
  • Page 210 Remove the two screws and remove the LCD. Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 211: Separation Rubber, Sensor Frame Roller Assembly

    Page: 115 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.4 Separation Rubber, Sensor Frame Roller Assembly (U) Frame Assembly-Scanner (U) Disassembly procedure a) Separation rubber: The separation rubber can be removed from the Frame Assembly-Scanner (U). Note: b) Roller Assembly Sensor: Remove the Plate-Support by removing the two screws (1).
  • Page 212 Reassembly procedure Reverse the disassembly procedure. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 213: Roller Assembly-Adf, Cis, Lever-Pc1 And Pc2

    Page: 116 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.5 Roller Assembly-ADF, CIS, Lever-PC1 and PC2 CIS = Contact Image Sensor Disassembly procedure a) First, carry out the disassembly procedures up to the point of the 4.3. b) Dismount the Printer-Unit. (See Section 4.3.18)
  • Page 214 d) Turn the Frame Assembly-Scanner inside out and perform the disassembly procedure. e) Remove the Plate Scanner (L) by removing the two screws. f) Remove the Speaker.
  • Page 215 g) Remove the Plate Assembly-Scanner (R) and Plate Earth ADF by removing the three screws. h) Remove the Plate Scanner (B) by removing the two screws and the part of the fixing hooks. i) Remove the CIS (contact image sensor). j) Motor-S: Remove the Motor-S by removing the connector of motor and the two screws...
  • Page 216 PC1 and PC2 on the Plate Scanner B by pressing the latch using the flat screwdriver or like. Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 217: Board-R51, Power Supply Unit, Board Hv-P6L

    First, carry out the disassembly procedures up to the point of the 4.3.2 (Cover-Rear, Cover-Main, etc). b) Board-R51: Disconnect all connectors. c) Remove the five screws and remove the Board R51. d) OKIOFFICE 84 Power Supply Unit: Disconnect all connectors. e) Remove the screws and remove the OKIOFFICE 84 Power Supply Unit.
  • Page 218 Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 219: Printer Unit Section

    Page: 118 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.7 Printer Unit Section [Base Frame Unit]...
  • Page 221 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 222: Transfer Roller

    Remove the right claw. Then, dismount transfer roller, two registration bearing, and gear T. (2) Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 223: High-Voltage Power Supply Unit (Tlhv/Olhv)

    Take care that cable (3) will not interfere with the paper sensor exit when it is connected. Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 224: Holder Assembly

    Remove the claw and dismount Spring-Holder. f) Remove the claw and dismount Spring-Stopper. Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 225: Plate-Side M And Gear-Idle

    Dismount Plate-Earth, two idle gears P, idle gear M, idle gear 3R, idle gear 2R, idle gear heat idle gear R, and gear R. Reassembly procedure Reverse the disassembly procedure. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 226: Registration Roller

    Take care not to lose them.) Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 227: Drive Shaft E (Eject) And Eject Roller

    Unlock and dismount drive shaft E (Eject). d) Dismount two eject rollers. Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 228: Heat Assembly

    Page: 125 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.14 Heat Assembly This section explains how to dismount the heat assembly and parts in the assembly. Disassembly procedure <Dismounting the heat assembly> a) First, carry out procedure up to the point of the 4.3.2 (ID Unit, Cover-Rear, Cover-NCU and Cover-MAIN).
  • Page 229 Reassembly procedure Reverse the disassembly procedures Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 230: Pressure Roller B (Back Up Roller)

    Dismount the engagement with the left ground, then pressure roller B. (Two bearing BUs and two bias springs also come off at the same time.) Reassembly procedure Reverse the disassembly procedures Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 231: Hopping Shaft Assembly

    Draw out hopping shaft assembly to the right and dismount magnet H. Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 232: Paper Sensor E, Paper Sensor Exit And Toner

    Dismount the paper sensor exit. h) Dismount the toner sensor assembly. Reassembly procedure Reverse the disassembly procedures. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 233: Printer Unit

    Page: 129 Service Guide OKIOFFICE 84 Chapter 4 Disassembly 4.3.18 Printer Unit Disassembly procedure a) First, carry out procedure up to the point of the 4.3.2 (ID Unit, Cover-Rear, Cover-NCU and Cover-MAIN). b) Remove Bracket-Package with three screws, then disconnect Cable-Flat from connector on R51-Board (M-CNT).
  • Page 234 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 235: Adjustments

    2) Setting of LED print head should be according to the Table 5.1.1 (See next section in this chapter). Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 236: Settings Of Technical Function No. 26 (Table 5.1.1)

    In addition, this setting should be verified on initial unit install, or whenever firmware is updated. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 237: Confirmation Items

    Measurement point: R51 board; CN5-1 pin and ground terminal Specification: A waveform sample is shown below. Test chart: White sheet (A4 size) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

  • Page 238: Measurement

    Page: 133 Service Guide OKIOFFICE 84 Chapter 5 Adjustments 5.2.2 Measurement Turn the AC power OFF. Carry out the disassembly procedure up to Cover assembly-top, Frame assembly-scanner, and Unit-printer. (Refer to the Mechanical Disassembly and Reassembly in Chapter 4.) Connect extension cables to the R51 board.
  • Page 240 Figure 5.2.1 Measurement Points on R51Board Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 241 The user (or service personnel) is required to replace the following items as consumable parts. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 242 4,500 sheets: 1 page/job, 8,000 sheets: 3 page/job , (Image drum unit) 10,000 pages/continuous @ 5% density Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 243 Separation Rubber The Separation Rubber will not require replacement for at least 30,000 documents fed. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 244 Page: 137 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance Consumables Diagram (Figure 6.1.1) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 245 The MTBF will be based on 50% transmit and 50% receive activities. Battery (for RTC) 5 years Lithium battery: Not rechargeable Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 246 Table 6.2.1 describes the preventative maintenance procedures.. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 247 Gears (once a year) Cleaning Remove materials that have fallen from outside, if any. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 248 Page: 141 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance Preventative Maintenance Diagram (Figure 6.2.1) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 249 Page: 142 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance 6.3 Printer Counter Display/Clear (User) Note: The fonts displayed on the LCD operation panel may differ from the fonts written in this manual. 1. Purpose A user can clear the image drum counter (only when "Change Drum Soon" message is displayed) and also check some of the other counters (such as the print counter, scan counter) by using the <--- key or --->...
  • Page 250 User can clear only DRUM counter. After having cleared the drum counter, warning message will disappear. 2-2. Procedure The following shows the case when the service bit has been set OFF & TONER COUNT CLEAR = ON.
  • Page 252 User can clear DRUM counter and TONER counter. After having cleared the drum counter, warning message will be disappeared. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 253 Page: 143 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance 6.4 Printer Counter Display/Clear (Service) 1. Purpose The service personnel can clear and check the following counters. Image Drum Toner Image Drum (Total) Print Scan 2. Procedure The following shows the case when the service bit has been set ON.
  • Page 254 Note: DRUM (T) will be used to know the total in-use life of the machine.
  • Page 255 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 256 Page: 144 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance 6.5 Self-Diagnosis Test 1. Purpose To check ROMs, RAMs and printing function. 2. Procedure Test report will be automatically printed out with the following items: Pattern 1 All white (32 lines)
  • Page 257 In case RAMi is not good. NG ("i" is RAM's number) Figure 6.5.1 shows a printed sample. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 258 Page: 145 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance Self-Diagnosis Test Sample (Figure 6.5.1)
  • Page 259 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 260 Page: 146 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance 6.6 Sensor Calibration Test 1. Purpose To adjust the linearity of the contact image sensor output levels.
  • Page 261 NOTE: After adjustment of levels, check the copy quality by copying test charts or documents Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 262 Page: 147 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance 6.7 LED Test 1. Purpose To check all LEDs on operation panel by lighting. 2. Procedure...
  • Page 263 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 264 Page: 148 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance 6.8 Tone Send Test 1. Purpose To send the G3 tonal frequencies to the line. 2. Procedure *1: When indicating "2100Hz or 1100Hz SENDING", extend the tone send test for 30 more seconds by pressing the...
  • Page 265 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 266 To check the telephone line quality in combination with a remote station programmed to the high-speed modem receive test mode. 2. Procedure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 267 Page: 150 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance High-Speed Modem Send and Receive Test Diagram (Figure 6.9.1)
  • Page 269 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 270 To check the telephone line quality in combination with a remote station programmed to the high-speed modem send test mode. 2. Procedure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 271 6.11 MF Send Test 1. Purpose To send the multi-frequencies of tone dialing to the line. 2. Procedure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 272 6.12 Tone (TEL/FAX) 1. Purpose To check the pseudo-ring back tone of TEL/FAX automatic switching. 2. Procedure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 273 To analyze the transmitted/received G3 protocol signals. 2. Procedure Manual printout of the last communication. (a) Manual printout Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 274 Page: 155 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance Data Dump description (Figure 6.13.1) 1) Data sample Figure shows the printer data as a sample.
  • Page 275 Figure 6.13.1 Protocol Dump Data (Sample: at transmitter side) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 276 Page: 156 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance Analysis from the Data (Figure 6.13.2) The printed out data permits to analyze G3 facsimile communication protocol signals between two facsimile machines. Figure 6.13.2 (below) shows the result of an analysis on the printed data referring to Figure 6.13.1...
  • Page 277 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 278 Return to Control for Partial Page Receiver not Ready 37 B7 Receiver Ready 76 76 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 279 Page: 158 Service Guide OKIOFFICE 84 Chapter 6 Cleaning and Maintenance 6.14 System Reset 1. Purpose To clear or initialize the following data to factory default settings. (a) Location data (b) Configuration data (default) 2. Procedure...
  • Page 280 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 281 -41XX: For error codes in Group 3 transmission phase D -49XX: For error codes in Group 3 reception phase D Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 282 39B1 Memory Overflow has occurred during Confidential Reception. 39C0 DECODER hardware error, (cannot reproduce picture). Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 283 90F1 Fan motor error. 90F2 Fuser error. 90F3 Recording paper size error 90F4 Cover open. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 284 No document feeding 7.19 Multiple document feeding 7.20 Document skew 7.21 Document jam 7.22 Printer unit Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 285 Page: 163 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.1 Overall Troubleshooting Flow Chart NOTE: R51 Board for OKIOFFICE 84 is designated as the MCNT Board in this flowchart.
  • Page 287 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 288 Page: 164 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.2 No LCD Operation...
  • Page 290 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 291 Page: 165 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.3 ALARM LED On Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner...
  • Page 292 Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 293 Page: 166 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.4 Printing Test Failure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 294 Page: 167 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.5 No Local Copy...
  • Page 296 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 297 Page: 168 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.6 Auto Dial Failure...
  • Page 299 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 300 Page: 169 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.7 Transmission Problem This section explains how to localize the cause of problems occurred after completion of connection with a remote station.
  • Page 301 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 302 Page: 170 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.8 Auto Reception Failure...
  • Page 304 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 305 Page: 171 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.9 Reception Problem This section explains how to localize the cause of problems occurred after completion of connection with a remote station.
  • Page 306 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 307 Page: 172 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.10 Sensor Calibration Test Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 308 Page: 173 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.11 LED Test...
  • Page 309 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 310 Page: 174 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.12 Tone Send Test Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 311 Page: 175 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.13 High-Speed Modem Test...
  • Page 312 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 313 Page: 176 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.14 MF Send Test...
  • Page 314 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 315 Page: 177 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.15 Tone (TEL/FAX) Send Test...
  • Page 316 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 318 Page: 178 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.16 No Acoustic Line Monitor There are two source routes of acoustic line monitor: (a) General communication signal (b) DP pulse signal...
  • Page 319 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 320 Replace the Power Supply Unit when output voltage written on the item A3 in the Appendix A is not normal. (B) High-voltage Selection T.B.D. (To be determined) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 321 Page: 180 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.18 No Document Feeding Note: This section places an emphasis on troubleshooting of mechanical portions. Therefore, it is recommended to replace the MCNT Board first and, then if not solved, follow this flow chart.
  • Page 322 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 323 Multiple documents are not separated and they are fed at the same time during one feeding operation. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 324 Page: 182 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.20 Document Skew...
  • Page 326 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 327 Page: 183 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.21 Document Jam...
  • Page 329 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 330 Chapter 7 Troubleshooting 7.22 Printer Unit 7.22.1 Precautions 7.22.2 Troubleshooting Flow Charts of Printer Unit Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 331 (4) Do not expose the drum to light for longer than 5 minutes at room temperature. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 332 Page: 186 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7.22.2 Troubleshooting Flow Charts of Printer Unit Overall troubleshooting flow chart. Table 7.22.1 LCD Message Trouble List...
  • Page 333 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 334 Page: 187 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting Troubleshooting flow chart 1: Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 335 Page: 188 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 1: Top Cover is Open Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 336 Page: 189 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 2: Replace Image Drum Message Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 337 Page: 190 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 3: Engine Controller Error Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 338 Page: 191 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 4: Fuser Unit Thermal Error Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 339 Page: 192 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 5: Paper Jams...
  • Page 340 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 341 Page: 193 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 6: No Paper Tray or No Paper Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 342 Poor fusing (Images are blurred or peeled off when touched by hands) Figure 7.22.1 Abnormal Symptoms of Image Troubles (Example) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 343 Check Gear-T, MCNT Board, P2H/P6L Board. Check exit sensor lever, PWU Check MCNT Board. Check PWU, MCNT board. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 344 Page: 196 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 7: Light or Blurred Output Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 345 Page: 197 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 8: Smeared Background on Output Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 346 Page: 198 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 9: Blank Output Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 347 Page: 199 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 10: Vertical Black Stripes on Output Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 348 Page: 200 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 11: Evenly Spaced Marks on Output...
  • Page 349 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner...
  • Page 350 Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 351 Page: 201 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 12: Missing Print on Output Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 352 Page: 202 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 13: Vertical White Stripes on Output...
  • Page 354 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 355 Page: 203 Service Guide OKIOFFICE 84 Chapter 7 Troubleshooting 14: Poor Fusing Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 356 Detailed circuit diagram has been omitted from this manual to avoid duplications of contents with other associated manuals, For information not contained in this manual, refer to: Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 357 Page: 205 Service Guide OKIOFFICE 84 Chapter A Board Descriptions Service Caution Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 358 Page: 206 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A1.1 Unit Configuration and Block Diagram 1. The unit configuration is as follows: OKIOFFICE84 Figure A.1.1 Unit Configuration (Modifying) (1) Main control board (R51) (2) Network control unit (NCU) (3) Power supply unit (MPW1446 (230V), MPW1546 (120V)
  • Page 359 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 360 Page: 207 Service Guide OKIOFFICE 84 Chapter A Board Descriptions OKIOFFICE 84 Block Diagram Figure (A1.2.1) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 361 Power supply unit Real time clock S-MOTOR Send motor SRAM Static random-access memory X’tal Crystal oscillator Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 362 Figure A1.2.1 shows the pertinent block diagram. Main Control (R51) Board Operation Panel Unit: O4W board NCU Board Power Supply Unit Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 363 Generation of single-frequency signals for tonal signals Detection of single-frequency tonal signals Generation of dual time multiple-frequency signals for tone dialing Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 364 Control of LCD on operation panel LED : Light-emitting diode LCD : Liquid crystal display Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 365 Output of send data and send signals to telephone line Input of receive data and receive signals from telephone line Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 366 Generation of medium voltages +300V, -300V, +400V, -450V and 0V Generation of high voltages -1.35 kV, -0.75 kV and +3.5 kV Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 367 G3 Receive Mode 300bps Send Mode 300bps Receive Mode Report Printing Memory Transmission Memory Reception Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 368 HDATA0. Writing of data into the page memory is also possible during the printing operation. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 369 Page: 216 Service Guide OKIOFFICE 84 Chapter A Board Descriptions Copy Picture Signal (Figure A2.1) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 370 L1 and L2 via the transformer T1 as high speed signal. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 371 Page: 218 Service Guide OKIOFFICE 84 Chapter A Board Descriptions G3 Send Picture Signal (Figure A2.2) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 372 IOGA4 and transferred to the LED print head for printing as HDATA 0. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 373 Page: 220 Service Guide OKIOFFICE 84 Chapter A Board Descriptions G3 Receive Picture Signal (Figure A2.3) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 374 "S" of the modem and sent to the telephone line L1 and L2 via the trans-former T1 of NCU. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 375 Page: 222 Service Guide OKIOFFICE 84 Chapter A Board Descriptions 300 bps Send Signal (Figure A2.4) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 376 The successive modes of communication (for example, line density, encoding scheme, etc.) are determined. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 377 Page: 224 Service Guide OKIOFFICE 84 Chapter A Board Descriptions 300 bps Receive Signal (Figure A2.5) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 378 IOGA4. The data is converted into a serial data by the picture control of IOGA4 and transferred to the LED print head for printing as HDATA 0. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 379 Page: 226 Service Guide OKIOFFICE 84 Chapter A Board Descriptions Report Print Signal (Figure A2.6) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 380 The stored encoded data undergoes buffering, passes through CPU, MODEM and NCU and then sent out to the telephone line. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 381 IOGA4 (CPU) and transferred to the LED print head for printing as HDATA 0. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 382 Page: 229 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.1 R51 Circuit Diagram (Page 1/12) 1. Block diagram The circuit diagram shown on page 1/12 consists of an input/output gate array IC2 (IOGA4), crystal oscillator circuit and reset signal generator.
  • Page 383 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 384 Page: 230 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.2 R51 Circuit Diagram (Page 2/12) 1. Block diagram The circuit diagram shown on page 2/12 consists of Flash memory, DRAM, Real time clock IC and Back up battery circuit.
  • Page 385 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 386 Page: 231 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.3 R51 Circuit Diagram (Page 3/12) 1. Block diagram The audio monitor circuit on page 3/12 that consists of IC11 (analog switch IC) and IC5 (amplifier) generates the following audio monitor.
  • Page 387 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 388 Page: 232 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.4 R51 Circuit Diagram (Page 4/12) 1. Block diagram The circuit diagram shown on page 4/12 consists of the following functions: IC6 (A/D converter) Connector CN5 that provides an interface between R51 board and CIS (contact image sensor).
  • Page 389 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 390 Page: 233 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.5 R51 Circuit Diagram (Page 5/12) 1. Block diagram The circuit diagram shown on page 5/12 consists of Modem (14.4 kbps). Modem consists the following functions: Modulation/demodulation Modulation type: 1) ITU-T Rec. V17 (14400/12000/9600/7200 bps) for G3 picture data.
  • Page 391 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 392 Page: 234 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.6 R51 Circuit Diagram (Page 6/12) 1. Block diagram The circuit diagram shown on page 6/12 consists of connector CN12 that provides an interface between R51 board and LED print head.
  • Page 393 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 394 Page: 235 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.7 R51 Circuit Diagram (Page 7/12) 1. Block diagram The circuit diagram shown on page 8/12 consists of the following connectors: Connector CN10 that provides an interface between R51 board and NCU board.
  • Page 395 OPECHK : Use to monitor the operation of the OPE unit. OPERST : Reset signal for OPE unit Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 396 Page: 236 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.8 R51 Circuit Diagram (Page 8/12) 1. Block diagram The circuit diagram shown on page 8/12 consists of the following functions and connectors: IC9 (Drum motor driver) Connector CN13 that provides an interface between R51 board and the drum motor.
  • Page 397 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 398 Page: 237 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.9 R51 Circuit Diagram (Page 9/12) 1. Block diagram The circuit diagram shown on page 9/12 consists of the following function and connectors: TA1 (Send motor driver) TR508/TR507 (Clutch driver) Connector CN1 that provides an interface between R51 board and the send motor.
  • Page 399 When starting to print, performs the paper supply of recording paper by using this clutch. Clutch is driven by clutch signal generated from IOGA4. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 400 Connector CN11 that provides an interface between R51 board and Bi-Centro I/F. Figure A3.1.12 shows the interface between R51 and Bi-Centro I/F. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 401 Page: 239 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.11 R51 Circuit Diagram (Page 11/12) 1. Block diagram The circuit diagram shown on page 11/12 consists of the following connector: Connector CN6 that provides an interface between R51 board and power supply unit (P2H).
  • Page 402 IOGA4 ports for referring to and processing by the IOGA4 (CPU). Figure A3.1.13 shows sensors and switch control. Inlet sensor 1 Write sensor (To detect the paper top position for printing) Outlet sensor Toner end sensor Cover status switch The functions of various sensors are described in the following table. Sensor Type Sensor Name Function...
  • Page 403 "1": - ive polarity voltage of CB is output. (+400V) CB2ON "1": - ive polarity voltage of CB is output. (-1.35kv) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 404 Page: 240 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.12 R51 Circuit Diagram (Page 12/12) 1. Block diagram The circuit diagram consists of the following connector: • Connector CN6 that provides an interface between R51 board and power supply unit.
  • Page 405 Figure A3.1.15 Sensor and Switch Control 2) Fuser unit temperature control The heater in the fuser unit is controlled by the thermistor, IOGA and CPU to keep the heater roller surface within a prescribed temperature range. The CPU supervises the status of PC0 (A/D converter input section) periodically, turning HEATON- N signal on and off according to CPU of PC0 status to exercise temperature control.
  • Page 406 Figure A3.1.16 Fuser Unit Temperature Control 3) High-voltage and medium-voltage control High voltages are activated by IOGA and generated by the high-voltage circuit inside the power supply unit. The CH (charge) voltage of about -1.35kV is used for the charge roller. The TR1/TR2 (transfer) voltage of about +3.5kV/-0.75kV is used for the transfer roller.
  • Page 407 Stores the dark/light level correction data. Error diffusion data and image separation data are processed by IEXSEED. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 408 Page: 241 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.13 Sensor and Switch Control Figure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 409 Page: 242 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.14 Fuser Unit Temperature Control Figure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 410 Page: 243 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.15 High/Medium Voltages Control Figure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 411 Page: 244 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.1.16 Related Signals of IEXSEED Figure Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 412 Page: 245 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.2 OPE (04W) Circuit Diagram 1. Block diagram Figure A3.2.1 shows a block diagram of OPE (04W). The 04W (operation unit) circuit consists of the following blocks: 1) IC1 (one chip MOS-CPU)
  • Page 413 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 414 A3.3 Power Supply Unit for OKIOFFICE 84 A3.3.1 048 POW (120V/230V) Circuit Diagram A3.3.2 OLHV/TLHV Circuit Diagram (2/2) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 415 Chapter A Board Descriptions A3.3.1 048 POW (120V/230V) Circuit Diagram IMPORTANT: Oki Data Corporation recommends that maintenance of the Power supply unit (MPW1446 (230V)/MPW1546 (120V)) be performed by replacement of a unit, not by replacement of components. Therefore, 1) circuit descriptions in this section are for reference.
  • Page 416 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 417 Service Guide OKIOFFICE 84 Chapter A Board Descriptions Block Diagram of 048 POW (Figure A3.5.1) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 418 Page: 249 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.4 P2H Circuit Diagram This circuit consists of photo-sensors and high voltage generation unit. Note: If the high-voltage unit inside the OLHV/TLHV circuit board is replaced, the output voltage and current output from the terminals must be checked and adjusted.
  • Page 419 provide an output exceeding a preset voltage. 1.3 TR1 and TR2 (P2H) 1) The TR1 high-voltage is obtained by rectifying the secondary output of Q17 switching circuit by a voltage-doubler rectifier. 2) TR1 output circuit has both constant current (hereinafter called CC) and constant voltage (hereinafter called CV) modes.
  • Page 420 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 421 Page: 250 Service Guide OKIOFFICE 84 Chapter A Board Descriptions A3.5 UNC, WN5, FN5 and DN5 Circuit Diagram The NCU board is selected from UNC, WN5, FN5 and DN5 because it differs depending on country's specifications. Therefore, the NCU circuit diagram is destined for the following countries.
  • Page 422 Note 1: This procedure may be omitted depending on the dial parameters. Note 2: MF (Multi-frequency) tone is generated by the modem and transferred to the telephone line via the NCU board. 3. Explanation of CN3 Terminals CN3 pin No. Terminal name Explanation (US, CA)
  • Page 423 8 SR (RL2) This circuit connects the line with the telephone. During facsimile transmission, it discon-nects the telephone. 11 PP (RL6) If this circuits detects MF or CNG tones without seizuring a line, it sets a proper receiving sensitivity. 12 DP (RL3) This circuit generates pulse dials.
  • Page 424 1 Lightning arresters (AR1, 2) The nominal operating voltage is 500 V. When connecting the ground of the arrestor to the chassis, tighten ARG on the PCB with a screw. At this time, the PCB is grounded through the power cable. The TB1 arrestor ground terminal can also be used to connect to the earth directly.
  • Page 425 off-hook state of the telephone while the main equipment is hunting a line. Usually, IC2 is short-circuited by the CML relay (7) in the standby state and RL7 is used for off-hook detection. 17 Impedance switches (CN15 to CN45) These circuits set the impedance according to the line requirement. 220: 220 ohm + 820 ohm//115 nF (CN15) 275: 275 ohm + 850 ohm//150 nF (CN25) 370: 370 ohm + 620 ohm//310 nF (CN35)
  • Page 426 can also be used to connect to the earth directly. 3 Diode bridge (DB1) This circuit rectifies the loop current so that the DC circuit characteristics are not affected by a polarity change over the line. 4 DC circuits (Q3, R540, R541, C13, R9, R209) These circuits provide DC characteristics according to the line requirements.
  • Page 427 27 FICC (IC6) This circuits reduces the DC resistance to increase the loop current momentarily to assure operation of the switch at line seizuring. 28 Constant current circuits (Q1 and Q2) These circuits provide DC characteristics according to the French line requirement. 29 Shunt (RL5) This circuit prevents bell resonances in the telephone sets connected in parallel during pulse dialing and also reduces distortions of the pulse waveform.
  • Page 428 4 DC circuits (Q3, R540, R541, C13, R9, R209) These circuits provide DC characteristics according to the line requirements. 5 Impedance matching network (R523, R536, C503, ...) This circuit matches the impedance between the line and equipment to reduce reflection of transmitted signals. It provides impedance (return loss) characteristics to meet the line requirement using the S4-3 and S4-4.
  • Page 429 21 Telephone cascade/parallel switches (S1-1 to S1-2) To connect the telephone connected to the TEL1 terminal and an external trephone in parallel, set the switches to 22 16 kHz LPF (L7, L8, C7, C507, C9) This low-pass filter removes 16 kHz metering pulses. 23 Transmitter amplifier (IC501 1/2) This transmitter buffer amplifier amplifies DTMF signals and FAX send signals.
  • Page 430 B after the first ring and enters the MF 2-digit special code in order to make the fax in the receive mode, then it becomes possible to detect the MF signals along that route. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 431 Page: 251 Service Guide OKIOFFICE 84 Chapter B Print Operation Description B1.1 Electrophotographic Processor The electrophotographic processor prints out the image data to be sent from the main control board on sheets of paper. Figure B1-1 shows the layout drawing of the electrophotographic processor.
  • Page 432 If the heat roller temperature rises abnormally, the thermostat of the heater voltage supply circuit functions to forcibly suspend the AC voltage supply. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 433 Service Guide OKIOFFICE 84 Chapter B Print Operation Description Schematic Drawing of OKIOFFICE 84 Paper Feeding Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 434 The transferred unfused toner image is fused to a sheet of paper by applying heat and pressure to the image. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 435 Page: 254 Service Guide OKIOFFICE 84 Chapter B Print Operation Description Electrophotographic Process Diagram (Figure B1.3) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 436 Chapter B Print Operation Description B.2.1 Operations Process Explanation Hopping Printing and Warm-up Charging Exposure Development Transfer Fusing Cleaning Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 437 Page: 256 Service Guide OKIOFFICE 84 Chapter B Print Operation Description Hopping As shown in the figure below, the clutch for hopping is turned on/off according to current ON/OFF to a coil. When the clutch is OFF When the clutch is ON When the clutch is on, the hopping gear engages with the clutch plate to rotate the hopping roller.
  • Page 438 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 439 Page: 257 Service Guide OKIOFFICE 84 Chapter B Print Operation Description Printing and Warm-up At warm-up Rotate the pulse motor (main) in the a direction. The planetary gear rotates in the a' direction, dislocating its position in the a" direction. This causes the planetary gear to be separated from gear A. The hopping gear will not rotate. The triple gear and transfer gear rotate via the idle gear to drive the image drum unit.
  • Page 440 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 441 Charging is performed by applying DC voltage to the charge roller that is in contact with the surface of the image drum. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 442 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 443 This causes the electrostatic latent image to be changed to a visible image. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 444 This enables transfer to the sheet of paper. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 445 The backup roller is pressurized to the heat roller by the pressure spring on each side. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 446 After transfer has terminated, the cleaning roller temporarily draws in the untransferred residual toner adhering to the image drum with static electricity and then returns it to the image drum. Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 447 B.3 Paper Jam Detection The OKIOFFICE 84 monitors the paper status when the power supply is on and during printing. In the following cases, the unit interrupts the printing process as a paper jam. Printing can be recovered by opening the cover removing the jammed paper, and closing the cover.
  • Page 448 Paper feed jam 2 Paper end sensor OFF/ 121.9 20.0 20.0 Outlet sensor OFF Unit: mm Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 449 Service Guide OKIOFFICE 84 Chapter B Print Operation Description Timing Chart for Paper Feed (Tray Feed) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 450 Page: 267 Service Guide OKIOFFICE 84 Chapter B Print Operation Description B.4 Toner Low Detection Hardware configuration of toner sensor The figure below shows the hardware configuration of the toner sensor. Hardware Configuration of Toner Sensor Toner detection method (1) Toner sensor monitoring conditions are shown in the figure below.
  • Page 451 Toner low time t1 > 1.2 sec. Toner full time 1.2 sec. > t1 > Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 452 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 453 Page: 269 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Illustrated Parts List...
  • Page 454 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 455 Page: 270 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 1: Cabinet Assembly 1/2...
  • Page 457 OPE Panel Assembly 40606501 Cover-Main (A) 40025301 Cover-Front 40606601 Cover-NCU 40672801 Cover Assy.-Top (A) 40026101 Spring-TC Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 458 Page: 271 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 1: Cabinet Assembly 2/2...
  • Page 460 Sheet - Shield (LED) 40140801 Bracket-Damper 40148201 Gear-Damper 40025701 Tray-Document 40025801 Tray-Paper 40375801 Stacker Assy.-Document Screw-Tapping (S-M2) Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 461 Printer Unit Assembly See Section 11 40607401 H.V. Board P2H 40413401 Cover - HV Screw F Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 462 40712201 OP Panel Assy. 00073320 Sheet: F048 00073413 Sheet : One Touch 40023601 Sheet: Cover Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 463 Page: 274 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 4: Operator Panel Assembly...
  • Page 464 Q’ty OKIDATA P/N Case-OPE(T) Refer to Section 3 40086701 Board-04W Holder-LCD Button-Function B SCREW A Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 465 Page: 275 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 5: Frame Assembly Scanner (L) Rev. OKIDATA P/N Description Q’ty Frame-Scanner (L) 40019401 Lever-PC1...
  • Page 466 Gear-Z95/14 40020501 Spring-Latch Plate Assy.-Scanner (B) B Screw FA 40153801 Spring-Reinforcement 40025201 Gear-Z38 40024501 Spring-CIS Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 467 Section 6: Plate Assembly-Scanner (B) Rev. OKIDATA P/N Description Q’ty Remarks Plate-Scanner (B) 50410001 Sensor: Photo RSPL Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 468 No. OKIDATA P/N Description Q’ty Remarks Plate-Scanner (R) 56513101 Motor-S 151/175 RSPL B SCREW FA Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 469 Page: 278 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 8: Frame Assembly-Scanner (U) Rev. OKIDATA P/N Description Q’ty Remarks Frame-Scanner (U) 5333980 BACK-UP PLATE RSPL 40267001 SEPARATION RSPL RUBBER ASSEMBLY 40021401 Spring-Pinch (L) RSPL...
  • Page 470 B SCREW FA 40021202 Roller Assy.-Sensor RSPL 40022001 Bearing-S RSPL 40020801 Gear-Z31 RSPL Plate-Support 40026301 Bar-Discharge Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 471 Page: 279 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 9: Cover Assembly-Top...
  • Page 472 Spring 51024901 PLATE EXIT 53502401 EJECT ROLLER A 51239603 PINION GEAR B B SCREW FA Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 473 Page: 280 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 10: Plate Assembly-Base Rev. OKIDATA P/N Description Q’ty Remarks Plate-Base Refer to Section 1 RUBBER A Sheet-Insulation...
  • Page 474 40128001 Cord: Flat Sheet-FG Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 475 Page: 281 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 11: Printer Base Frame Unit (1 of 2) Rev. OKIDATA P/N Description Q’ty 40593201 Frame: Unit Assy.
  • Page 476 51238301 Gear: Idle E (B) 51113801 Shaft: Drive E (Eject) Roller: Eject 51609101 Resistration Bearing Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 477 Page: 282 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 11: Printer Base Frame Unit (2 of 2) Rev. OKIDATA P/N Description Q’ty Remarks 53348301 Roller: Registration 40737801 Gear: T...
  • Page 478 Heat Assy. (120 V) 40592802 Heat Assy. (230 V) 40034001 Stopper Spring 40710301 Guide-Gear T 40634701 Bearing-Gear Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Page 479 Page: 283 Service Guide OKIOFFICE 84 Chapter C Illustrated Parts List Section 12: Cables...
  • Page 480 Rev. OKIDATA P/N Description Q’ty Remarks 40635401 Connection Cord-Wire (AC)
  • Page 481 TEL/LINE Cable 56618901 AC CORD 55505904 SFC-8 Core For TEL/LINE Cord 40687701 Cord-Flat (SUMI CARD) P6L-R51 Copyright 1998, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

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