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Okidata Fax 5700, 5900 Service Manual


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       OKIFAX 5700/5900
             Maintenance Manual

                       Second Edition




Note: Throughout this manual there are many references to the
  G4/ISDN option. This option is not available in the U.S. or
                        CANADA.




                       October, 1999




               Oki Data Corporation
                                                             Contents

CHAPTER 1 GENERAL INFORMATION
1.  GENERAL INFORMATION ......................................................................                                            1-1
1.1 General Performance ..............................................................................                                    1-1
1.2 General User's Functions ........................................................................                                     1-4
1.3 General Maintenance Functions ..............................................................                                          1-7
1.4 General Appearance ................................................................................                                   1-9
1.5 Basic Performance Specifications ...........................................................                                          1-11
1.6 Reports and Lists .....................................................................................                               1-21

CHAPTER 2 INSTALLATION PROCEDURE
A. Setup Information ....................................................................................                                 2-1
2.1 General ....................................................................................................                          2-1
2.2 Site Selection ...........................................................................................                            2-3
2.3 Unpacking ................................................................................................                            2-5
2.4 Contents Identification .............................................................................                                 2-7
2.5 Installation of Attachments .......................................................................                                   2-8
2.6 AC Cord Connection ................................................................................                                   2-13
2.7 Telephone and Line Connection ..............................................................                                          2-14
2.8 Pcking for Shipment .................................................................................                                 2-14

B. Programming and Initial Settings .............................................................                                         2-15
2.9 Initial Settings ..........................................................................................                           2-15
   2.9.1     General Procedure of Key Operation ...................................................................                       2-15
   2.9.2     Technical Functions: Setup ..................................................................................                2-21
   2.9.2.1 Technical Functions Operation 1 ..........................................................................                     2-22
   2.9.2.2 Technical Functions Operation 2 ..........................................................................                     2-23
   2.9.2.2.1 T1 (TX) Timer Value .............................................................................................            2-30
   2.9.2.2.2 T1 (RX) Timer Value .............................................................................................            2-31
   2.9.2.2.3 T2 Timer *100ms ..................................................................................................           2-32
   2.9.2.2.4 Error Criterion ......................................................................................................       2-33
   2.9.2.2.5 Attenuator ............................................................................................................      2-33
   2.9.2.2.6 T/F Tone Att. .........................................................................................................      2-34
   2.9.2.2.7 MF Att. ..................................................................................................................   2-34
   2.9.2.2.8 Ring Dura. *10ms .................................................................................................           2-35
   2.9.2.2.9 CML Timing *100ms .............................................................................................              2-35
   2.9.2.2.10LED Headstrobe ..................................................................................................            2-36
   2.9.2.3 Technical Functions (Setup) .................................................................................                  2-37
   2.9.2.4 TEL/FAX automatic switching ..............................................................................                     2-48
   2.9.2.5 TAD mode ............................................................................................................          2-50
   2.9.2.6 Outline of Parallel Pick Up ...................................................................................                2-52
   2.9.3     User's Functions ..................................................................................................          2-54
   2.9.4     Location Program .................................................................................................           2-56
   2.9.4.1    Select Menu is shown as below: .........................................................................                    2-56
   2.9.5     Setup ....................................................................................................................   2-60
   2.9.5.1 Clock Adjustment .................................................................................................             2-62
   2.9.5.2 ID/Passward Programming: .................................................................................                     2-63
   2.9.5.2.1 TSI/CSI ................................................................................................................     2-64
   2.9.5.2.2 Sender ID .............................................................................................................      2-65
   2.9.5.3 Machine Settings: ................................................................................................             2-69
   2.9.5.3.1 Auto Answer Mode ...............................................................................................             2-73


                                                                       1
   2.9.5.3.2   TX Mode Default ..................................................................................................            2-74
   2.9.5.4     Dial Options: ........................................................................................................        2-80
   2.9.5.4.1   Redial Tries ..........................................................................................................       2-83
   2.9.5.4.2   Redial Interval ......................................................................................................        2-84
   2.9.5.4.3   Dial Prefix .............................................................................................................     2-85
   2.9.5.5     Incoming Options: ................................................................................................            2-89
   2.9.5.5.1   CNG COUNT .......................................................................................................             2-91
   2.9.5.5.2   Distinctive Ring ....................................................................................................         2-92
   2.9.5.6     Report Options: ....................................................................................................          2-96
   2.9.5.7     LAN Options: ........................................................................................................         2-98
   2.9.5.7.1   IP Address ............................................................................................................       2-99
   2.9.5.7.2   Subnet Mask ........................................................................................................          2-101
   2.9.5.7.3   Default Gateway ..................................................................................................            2-102
   2.9.6       User Default Setting .............................................................................................            2-105
   2.9.7       Technical Default Setting ......................................................................................              2-106
   2.9.8       Default Setting of Dial Parameters .......................................................................                    2-107
   2.9.9       Off-line Tests ........................................................................................................       2-108
   2.9.9.1     Self Diagnosis Flow ..............................................................................................            2-109
   2.9.10      On-line Tests ........................................................................................................        2-113
2.10 Installation of optional units......................................................................                                    2-116
   2.10.1      Optional units .......................................................................................................        2-116
   2.10.2      Memory Board Installation Instruction ..................................................................                      2-117
   2.10.3      Network Card Installation Instruction ....................................................................                    2-118
   2.10.4      G4 Board Installation Instruction ..........................................................................                  2-119

CHAPTER 3 BRIEF TECHNICAL DESCRIPTION
3.1 Fundamentals of the Electro-Photographic Process ................................                                                        3-2
3.2 Actual Electo-photographic Process ........................................................                                              3-4
3.3 Boards and Units .....................................................................................                                   3-5
3.4 Overall Dimension and Mechanical Structure of OKIFAX 5700/5900 ......                                                                    3-6

CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY
4.  General ....................................................................................................                             4-1
4.1 Precautions for Parts Replacement .........................................................                                              4-1
4.2 Tools ........................................................................................................                           4-3
4.3 How to Disassemble and Reassemble ....................................................                                                   4-3
   4.3.1       Document Table Cover .........................................................................................                4-6
   4.3.2       Rear Cover and NCU Cover ................................................................................                     4-6
   4.3.3       Main Cover ...........................................................................................................        4-7
   4.3.4       Operation Unit ......................................................................................................         4-9
   4.3.5       NCU Board ...........................................................................................................         4-10
   4.3.6       MODEM Board .....................................................................................................             4-10
   4.3.7       Plate Package ......................................................................................................          4-11
   4.3.8       Scanner Unit (CIS) ...............................................................................................            4-12
   4.3.9       Stacker Frame .....................................................................................................           4-13
   4.3.10      Printer Unit ...........................................................................................................      4-13
   4.3.11      Fan .......................................................................................................................   4-14
   4.3.12      Main Board ...........................................................................................................        4-15
   4.3.13      Contact Assembly and High-/Low-voltage Power Supply Boards ........................                                           4-15
   4.3.14      Disassembling the Operation Unit ........................................................................                     4-16
   4.3.14.1    Disassembling the Operation Unit ........................................................................                     4-18
   4.3.15      Disassembling the Scanner Unit (L) .....................................................................                      4-19
   4.3.16      Scanner (CIS) ......................................................................................................          4-20
   4.3.17      PC1/PC2 Sensors ................................................................................................              4-20
   4.3.18      Speaker ................................................................................................................      4-21
   4.3.19      Scanner Motor .....................................................................................................           4-22


                                                                           2
   4.3.20      Disassembling the Printer Unit .............................................................................              4-23
   4.3.21      LED Head ............................................................................................................     4-24
   4.3.22      Toner Lookout Board ............................................................................................          4-25
   4.3.23      Stacker Cover ......................................................................................................      4-26
   4.3.24      Fusing Unit ...........................................................................................................   4-26
   4.3.25      Manual Feed Assembly ........................................................................................             4-26
   4.3.26      Back-up Roller, Transfer Roller ............................................................................              4-27
   4.3.27      Resist Roller, Hopping Roller, Sensor Plates .......................................................                      4-28
   4.3.28      Ink Jet Guide Assembly ........................................................................................           4-29

CHAPTER 5 ADJUSTMENTS
5.1 Setting of LED Print Head Drive Time ......................................................                                          5-1
   5.2.1       Confirmation Items ...............................................................................................        5-2
   5.2.2       Measurement .......................................................................................................       5-3

CHAPTER 6 CLEANING AND MAINTENANCE
6.1 Replacement of Consumable...................................................................                                         6-1
6.2 Routine Inspection ...................................................................................                               6-3
6.3 Printer Counter Display/Clear ..................................................................                                     6-5
6.4 Printer Counter Display/Clear ..................................................................                                     6-7
6.5 Self-diagnosis Test ...................................................................................                              6-8
6.6 Sensor Calibration Test ............................................................................                                 6-11
6.7 LEDs Test ................................................................................................                           6-12
6.8 Tone Send Test ........................................................................................                              6-13
6.9 High-speed Modem Send Test .................................................................                                         6-14
6.10 High-speed Modem Receive Test ............................................................                                          6-15
6.11 MF Send Test ...........................................................................................                            6-16
6.12 Tone (TEL/FAX) .......................................................................................                              6-17
6.13 Protocol Dump Data Printing ...................................................................                                     6-18
6.14 System Reset ..........................................................................................                             6-19
6.15 Service Codes .........................................................................................                             6-20
6.16 G4 Service Code Lists .............................................................................                                 6-23

CHAPTR 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5700/5900
7.1 Overall Troubleshooting Flow Chart .........................................................                                         7-2
7.2 No LCD Operation ...................................................................................                                 7-3
7.3 Alarm LED On ..........................................................................................                              7-4
7.4 Printing Test Failure .................................................................................                              7-5
7.5 No Local Copy .........................................................................................                              7-6
7.6 Auto Dial Failure ......................................................................................                             7-7
7.7 Transmission Problem .............................................................................                                   7-8
7.8 Auto Reception Failure ............................................................................                                  7-10
7.9 Reception Problem ..................................................................................                                 7-11
7.10 Sensor Calibration Test ............................................................................                                7-13
7.11 LED Test ..................................................................................................                         7-14
7.12 Tone Send Test ........................................................................................                             7-15
7.13 High-speed Modem Test ..........................................................................                                    7-16
7.14 MF Send Test ...........................................................................................                            7-18
7.15 Tone (TEL/FAX) Send Test ......................................................................                                     7-19
7.16 No Acoustic Line Monitor .........................................................................                                  7-20
7.17 Power Supply Unit ...................................................................................                               7-21


                                                                     3
7.18   No Document Feeding .............................................................................                                    7-22
7.19   Multiple Document Feeding .....................................................................                                      7-23
7.20   Document Skew .......................................................................................                                7-24
7.21   Document Jam .........................................................................................                               7-26
7.22   Printer Unit ...............................................................................................                         7-27
 7.22.1        Precautions ..........................................................................................................       7-27
 7.22.2        Troubleshooting Flow Charts of Printer Unit.........................................................                         7-28




Appendix A PC Board Decriptions and Operation
 A1.1          Unit Configuration and Block Diagram .................................................................                       A1-1
 A2.1          OKIFAX 5700/5900 Signal Flow ...........................................................................                     A2-1
 A2.2          Explanation of Signal Flowchart ...........................................................................                  A2-18
 A3.1          MCNT ...................................................................................................................     A3-1
 A3.2          OPE Control .........................................................................................................        A3-36
 A3.3          MODEM C34 PC Board .......................................................................................                   A3-37
 A3.4          UNC, WN5, FN5 and DN5 Circuit Diagram ..........................................................                             A3-42
 A3.5          Power Supply Board ............................................................................................              A3-55
 A3.6          High-voltage Power Supply Circuit .......................................................................                    A3-57
 A3.7          G4A-PCB .............................................................................................................        A3-59

Appendix B Description of Print Operations for OKIFAX 5700/5900
 B.1           Mechanical Components ......................................................................................                 B-1
 B.2           Description of Print Operation ..............................................................................                B-3
 B.3           Errors ...................................................................................................................   B-14
 B.4           Other Special Cases ............................................................................................             B-20

Appendix C Not used at this time

Appendix D Mechanical Expanded View Drawing and Parts List
           (OKIFAX 5700/5900)

Appendix E Not used at this time

Apeendix F Not used at this time

Appendix G PC-Loading

Appendix H RMCS System Manual (For Model 30)




                                                                           4
     CHAPTER 1

GENERAL   INFORMATION
1.      GENERAL INFORMATION

1.1     General Performance

       (1) Type of appearance
           



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