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Okidata Fax 1000 Service Manual


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                                                                                                Page: 1
                                                   Service Guide OF1000
                                                    Chapter 0 About This Manual




                                    OKIFAX 1000
                            Facsimile Product


                             Adobe Acrobat printable reference
                       copy of the OKIDATA Service Training Manual.
                                        09/17/97


      Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the
             pictures rendered at 300 dpi, which is ideal for printing, but does not view on most
             displays well.



Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
      Table of Contents                                            Page

Service Guide OF1000
   0 About This Manual
      Front Cover                                                   1
      Manual Copyright                                              2
   1 Product Specifications
      1.1.01 General Information                                    3
      1.2 General Facsimile Specifications                          4
      1.3 Communications                                            5
      1.4 Printer Specifications                                    6
      1.5 User Functions                                            7
      1.6 Scanner Specifications                                    8
      1.7 Consumable Items                                          9
      1.8 Options                                                   10
      1.9 Agency Approvals                                          11
      1.10 Reliability Data                                         12
   2 Principles of Operation
      2.1 Principles Of Operation                                   13
      ....2.1.01 Compatibility                                      14
      ....2.1.02 Communications Mode                                15
      ....2.1.03 Modem Operation                                    16
      ....2.1.04 Automatic Fall-Back Mode                           17
      ....2.1.05 Telephone Line Connection                          18
      ....2.1.06 Error Correction Mode (ECM)                        19
      ....2.1.07 Major Assemblies                                   20
      ........Okifax 1000 Cross-Sectional View                      21
      ........Copy Function Block Diagram                           22
      ........Report Print Function Block Diagram                   23
      2.2 Transmitter Theory Of Operation - Typical Transmission    24
      ....300 bps Transmit Handshake Operation Diagram              25
      ....300 bps Receive Handshake Procedure Diagram               26
      ....G3 Transmit Functional Block Diagram                      27
      ....2.2.02 Operator Panel                                     28
      ....2.2.03 Automatic Document Feeder (ADF)                    29
      ....2.2.04 Scanner Assembly                                   30
      ....2.2.05 Encoder                                            31
      ....2.2.06 Modem                                              32
      ....2.2.07 Network Control Board (NCU)                        33
      ....2.2.08 Line Board                                         34
      2.3 Receiver Theory Of Operation                              35
      ....G3 Receive Operation Block Diagram                        36
      2.4 LED Printer - Principal Components                        37
      ....2.4.02 Printer Control Board (PCNT-150)                   38
      ....2.4.03 Power Supply Board (PWU-150)                       39
   Table of Contents                                    Page
   ........Power Supply Block Diagram                    40
   ....2.4.04 Sub-Power Supply Board (PSUB-150)          41
   ........Sub-Power Supply Board Block Diagram          42
   ....2.4.05 Fuser Unit                                 43
   ....2.4.06 Main Motor (Drum Motor)                    44
   ....2.4.07 LED Array                                  45
   ....2.4.08 DC Fan                                     46
   ....2.4.09 Registration Motor                         47
   2.5 Printing Process - General Information            48
   ........Printing Process Diagram                      49
   ....2.5.02 Hopping                                    50
   ....2.5.03 Feeding                                    51
   ....2.5.04 Charging                                   52
   ....2.5.05 Exposing                                   53
   ....2.5.06 Developing                                 54
   ....2.5.07 Transfer                                   55
   ....2.5.08 Fusing                                     56
   ....2.5.09 Cleaning                                   57
   ....2.5.10 Printing                                   58
   2.6 Sensors And Switches                              59
   ....Sensor Location Diagram (Top View)                60
   ........Detail of Sensor / Lever                      61
   ........Paper Inlet Jam                               62
   ........Paper Feed Jam                                63
   ....2.6.02 Toner Low Sensor                           64
3 Maintenance & Disassembly
   3.1 Maintenance - General Information                 65
   3.2 Disassembly/Assembly Procedures                   66
   ....3.2.01 Preliminary Items                          67
   ....3.2.02 LED Head                                   68
   ....3.2.03 Terminal Cover Cap, Rear Cover, and Fan    69
   ....3.2.04 Line Board (LINE-JU)                       70
   ....3.2.05 Package Shelf Assembly                     71
   ....3.2.06 Network Control Unit (NCU-U)               72
   ....3.2.07 Main Control Board (MCNT-150)              73
   ....3.2.08 Printer Control Board (PCNT-150)           74
   ....3.2.09 Left Side Cover                            75
   ....3.2.10 Hook Switch Board (Hook-SW)                76
   ....3.2.11 Power Supply Unit (PWU)                    77
   ....3.2.12 Gear Frame Assembly                        78
   ....3.2.13 Transmit Stepper Motor                     79
   ....3.2.14 Gear Frame and Gears                       80
   ....3.2.15 Memory Card (Option)                       81
   ....3.2.16 Right Side Cover                           82
Table of Contents                                             Page
....3.2.17 Document Guide Assembly                             83
....3.2.18 Speaker                                             84
....3.2.19 Separation Rubber Assembly                          85
....3.2.20 Control Panel Assembly                              86
....3.2.21 Upper Paper Guide Assembly                          87
....3.2.22 Upper Feed Roller Assembly                          88
....3.2.23 Pinch Roller                                        89
....3.2.24 Sub Pinch Roller Guide Assembly                     90
....3.2.25 Paper Table Guide                                   91
....3.2.26 Sensor Roller Assembly                              92
....3.2.27 Sub Roller Assembly                                 93
....3.2.28 ADF Roller Assembly                                 94
....3.2.29 Pinch Roller                                        95
....3.2.30 Document Detect Assembly (PC1)                      96
....3.2.31 Read Station Sensor Assembly (PC2)                  97
....3.2.32 Exit Guide                                          98
....3.2.33 Lower Feed Roller Assembly                          99
....3.2.34 Image Sensor Assembly                              100
....3.2.35 ADF Idle Gear                                      101
....3.2.36 Scanner Frame Assembly                             102
....3.2.37 Release Guide Assembly                             103
....3.2.38 Second Tray Interface Board                        104
....3.2.39 Registration and Main Stepper Motors               105
....3.2.40 Eject Roller Assembly                              106
....3.2.41 Manual Feed Guide Assembly                         107
....3.2.42 Face-Down Stacker Cover Assembly                   108
....3.2.43 Fuser Unit Assembly                                109
....3.2.44 Lower Base Assembly                                110
....3.2.45 Reduction and Stepper Motor Idle Gears             111
....3.2.46 Reset Levers and Pressure Roller                   112
....3.2.47 Transfer Roller                                    113
....3.2.48 Registration Roller                                114
....3.2.49 Hopping Roller Assembly                            115
....3.2.50 Inlet Sensor Plates                                116
....3.2.51 Outlet Sensor Plate                                117
....3.2.52 Toner Sensor Plate                                 118
....3.2.53 Contact Assembly and Sub-Power Supply Board        119
(PSUB)
....3.2.54 Left and Right Cassette Guides and Base Assembly   120
....3.2.55 Paper Supply and Cassette Sensor Plates            121
3.3 Adjustments And Service Settings                          122
........LED Intensity Rating / Dip Switch Settings Table      123
3.4 Cleaning                                                  124
3.5 Lubrication                                               125
   Table of Contents                                                  Page
4 Failure & Repair Analysis
   4.1 Failure & Repair Analysis - Introduction                       126
   4.2 Troubleshooting Updates                                        127
   4.3 Reporting Problems                                             128
   4.4 Troubleshooting Tips                                           129
   4.5 Repair Analysis Procedures                                     130
   ....4.5.02 RAP Index                                               131
   ........RAP 01: No LCD Display                                     132
   ........RAP 02: Alarm LED is Lit                                   133
   ........RAP 03: Local Copy Problem                                 134
   ........RAP 04: Auto-Dial Problem                                  135
   ........RAP 05: Data Transmission Problem                          136
   ........RAP 06: Auto Reception Problem                             137
   ........RAP 07: Reception Problem                                  138
   ........RAP 08: Self-Diagnosis Failure                             139
   ........RAP 09: Scan Operation Test Failure                        140
   ........RAP 10: LED Test Failure                                   141
   ........RAP 11: Tone Test Failure                                  142
   ........RAP 12: High-Speed Modem Test Failure                      143
   ........RAP 13: Multi-Frequency Tone Test Failure                  144
   ........RAP 14: Printer Unit Print Test Failure                    145
   ........RAP 15: Voice Message Test Failure                         146
   ........RAP 16: No Acoustic Line Monitor                           147
   ........RAP 17: Document Does Not Feed                             148
   ........RAP 18: Multiple Documents Feed                            149
   ........RAP 19: Document Skews                                     150
   ........RAP 20: Document Jams                                      151
   ........RAP 21: Printer Unit Problems Shown On LCD Display         152
   ............RAP 21A: Cover Open                                    153
   ............RAP 21B: Printer Alarm 1                               154
   ............RAP 21C: Printer Alarm 2                               155
   ............RAP 21D: Printer Alarm 3                               156
   ............RAP 21E: Printer Alarm 4                               157
   ............RAP 21F: Paper Jam - Confirm and Stop                  158
   ............RAP 21G: No Paper                                      159
   ........RAP 22: Image Problems                                     160
   ............RAP 22A: Poor Print Quality (Images Light or Blurred   161
   as a Whole)
   ............RAP 22B: Dark Background Density                       162
   ............RAP 22C: Printed Output is Blank                       163
   ............RAP 22D: Vertical Black Stripes on Printed Output      164
   ............RAP 22E: Repetitive Spaced Marks on Printed Output     165
   ............RAP 22F: Vertical White Streaks on Printed Output      166
   ............RAP 22G: Areas Missing From Printed Output             167
   Table of Contents                                      Page
    ............RAP 22H: Poor Fusing                      168
    4.6 Local Diagnostic Testing                          169
    ....4.6.01 Self-Diagnosis                             170
    ....4.6.02 Scan Operation Test / CIS Calibration      171
    ....4.6.03 LED Test                                   172
    ....4.6.04 Tone Test                                  173
    ....4.6.05 High-Speed Modem Transmit Test             174
    ....4.6.06 High-Speed Modem Receive Test              175
    ....4.6.07 Multi-Frequency Tone Test                  176
    ....4.6.08 Printer Unit Print Test                    177
    ....4.6.09 Voice Message Test                         178
    4.7 Reports - Activity Report                         179
    ....Service Codes List                                180
    ....4.7.02 Protocol Dump                              181
    ........Sample Analysis of Protocol Dump Data         182
    ........Facsimile Control Field Conversion Table      183
    4.8 Resets                                            184
    ....4.8.01 Toner Counter Reset                        185
    ....4.8.02 Drum Counter Reset                         186
    ....4.8.03 Fuser Counter Reset                        187
    4.9 Clearing The Random Access Memory (RAM)           188
    ....4.10 Accessing the Technical Function Settings    189
    ........Technical Function (TF) Listing               190
    ....4.11 Telephone Answering Device (TAD) Interface   191
A Reference Charts
    General Information                                   192
    A.2 Index To Charts                                   193
    ....A.2.01 Main Control Board (MCNT-150)              194
    ....A.2.02 Printer Control Board (PCNT-150)           195
    ....A.2.03 Power Supply Board (PWU-150)               196
    ....A.2.04 Network Control Unit (NCU-U)               197
    ....A.2.05 Line Board (LINE-JU)                       198
    ....A.2.06 Hook Switch (HOOK -150)                    199
    ....A.2.07 Operator Panel Board (OPE-150)             200
    ....A.2.08 Sub-Power Supply Board (PSUB- 150)         201
    ....A.2.09 Second Tray Interface Board                202
B Illustrated Parts Listing
    General Information & Parts Overview Diagram          203
    ....B.1.02 Definition of Terms                        204
    ....B.1.03 Parts Ordering Information                 205
    B.2 CHARTS                                            206
    ....B.2.01 Cabinet Assembly (1 of 2)                  207
    ....B.2.02 Cabinet Assembly (2 of 2)                  208
    ....B.2.03 Control Panel Assembly                     209
Table of Contents                                Page
....B.2.04 Printer Assembly (1 of 3)             210
....B.2.05 Printer Assembly (2 of 3)             211
....B.2.06 Printer Assembly (3 of 3)             212
....B.2.07 Base Assembly (1 of 2)                213
....B.2.08 Base Assembly (2 of 2)                214
....B.2.09 Scan Assembly (1 of 2)                215
....B.2.10 Scan Assembly (2 of 2)                216
....B.2.11 Scan Unit (1 of 3)                    217
....B.2.12 Scan Unit (2 of 3)                    218
....B.2.13 Scan Unit (3 of 3)                    219
....B.2.14 Upper Paper Guide Assembly (1 of 2)   220
....B.2.15 Upper Paper Guide Assembly (2 of 2)   221
....B.2.16 Cables (1 of 2)                       222
....B.2.17 Cables (2 of 2)                       223
....B.2.18 Options                               224
....B.2.19 Packaging                             225
....B.2.20 Consumables                           226
....B.2.21 Documentation                         227
                                                                                                 Page: 2
                                                      Service Guide OF1000
                                                       Chapter 0 About This Manual




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