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Okidata Fax 2200, 2400,2600 Service Manual


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                                                                                                Page: 1
                                            Service Guide OF2200/2400/2600
                                                    Chapter 0 About This Manual




                    OKIFAX 2200 // 2400 // 2600
                           Facsimile Products


                             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 OF2200/2400/2600
   0 About This Manual
      Front Cover                                                        1
      Copyright                                                          2
   1 Principles of Operation
      1.1 Principles Of Operation                                        3
      ....1.1.01 Compatibility                                           4
      ....1.1.02 Communications Mode                                     5
      ....1.1.03 Modem Operation                                         6
      ....1.1.04 Automatic Fall-Back Mode                                7
      ....1.1.05 Telephone Line Connection                               8
      ....1.1.06 Error Correction Mode (ECM)                             9
      ....1.1.07 Quick Scan Mode                                         10
      ....1.1.08 Major Assemblies (Mechanical) - Cross-Section           11
      Diagram
      ....1.1.09 Major Assemblies (Electrical)                           12
      ........Okifax 2200 - Copy Function Block Diagram                  13
      ........Okifax 2400/2600 - Copy Function Block Diagram             14
      ........Okifax 2200 - Report Print Function Block Diagram          15
      ........Okifax 2400/2600 - Report Print Function Block Diagram     16
      1.2 Transmitter Theory Of Operation                                17
      ........Okifax 2200 - 300 Bps Transmit Handshake Operation         18
      Diagram
      ........Okifax 2400/2600 - 300 Bps Transmit Handshake              19
      Operation Diagram
      ........Okifax 2200 - 300 Bps Receive Handshake Operation          20
      Diagram
      ........Okifax 2400/2600 - 300 Bps Receive Handshake               21
      Operation Diagram
      ........Okifax 2200 - G3 Transmit Functional Block Diagram         22
      ........Okifax 2400/2600 - G3 Transmit Functional Block Diagram    23
      ....1.2.02 Operator Panel Assembly (OPE)                           24
      ....1.2.03 Automatic Document Feeder (ADF)                         25
      ....1.2.04 Scanner Assembly                                        26
      ....1.2.05 Encoder                                                 27
      ....1.2.06 Modem                                                   28
      ....1.2.07 Network Control Unit (NCU)                              29
      ....1.2.08 Line Interface Board                                    30
      1.3 Receiver Theory Of Operation                                   31
      ........Okifax 2200 - G3 Receive Operation Block Diagram           32
      ........Okifax 2400/2600 - G3 Receive Operation Block Diagram      33
      1.4 Led Printer - Principal Components                             34
      1.5 Printing Process - General Information                         35
      ....1.5.02 The Full Printing Process                               36
   Table of Contents                                                 Page
   1.6 Sensors And Switches                                           37
   ....Paper Inlet Jam                                                38
   ....Paper Feed Jam                                                 39
   ....1.6.02 Toner Low Sensor                                        40
2 Failure Analysis
   2.1 Overview                                                       41
   2.2 Troubleshooting Updates                                        42
   2.3 Reporting Problems                                             43
   2.4 Troubleshooting Tips                                           44
   2.5 Repair Analysis Procedures                                     45
   ....2.5.02 RAP Index                                               46
   ....Start Here Flowchart                                           47
   ........RAP 01 No LCD Display                                      48
   ........RAP 02 Alarm Led Is Lit                                    49
   ........RAP 03 Print Test Failure                                  50
   ........RAP 04 Local Copy Problem                                  51
   ............Checking PC1 And PC2                                   52
   ........RAP 05 Auto Dial Problem                                   53
   ........RAP 06 Data Transmission Problem                           54
   ........RAP 07 Auto Reception Problem                              55
   ........RAP 08 Reception Problem                                   56
   ........RAP 09 Scan Operation Test Failure                         57
   ........RAP 10 LED Test Failure                                    58
   ........RAP 11 Tone Send Test Failure                              59
   ........RAP 12 High Speed Modem Test Failure                       60
   ........RAP 13 Multi-Frequency Send Test Failure                   61
   ........RAP 14 Voice Message Test Failure                          62
   ........RAP 15 No Acoustic Line Monitor                            63
   ........RAP 16 Document Does Not Feed                              64
   ........RAP 17 Multiple Document Feeds                             65
   ........RAP 18 Document Skews                                      66
   ........RAP 19 Document Jams                                       67
   ........RAP 20 Problems Shown On LCD Display                       68
   ............RAP 20A Cover Open                                     69
   ............RAP 20B Printer Alarm 1                                70
   ............RAP 20C Printer Alarm 2                                71
   ............RAP 20D Printer Alarm 3                                72
   ............RAP 20E Printer Alarm 4                                73
   ............RAP 20F Paper Jam                                      74
   ............RAP 20G No Paper Cassette                              75
   ............ Action Items For LCD Display Problems                 76
   ........RAP 21 Image Problems                                      77
   ............RAP 21A Poor Print Quality (Images Light Or Blurred    78
   As A Whole)
   Table of Contents                                               Page
   ............RAP 21B Dark Background Density                      79
   ............RAP 21C Printed Output Is Blank                      80
   ............RAP 21D Vertical Black Stripes On Printed Output     81
   ............RAP 21E Repetitive Spaced Marks On Printed Output    82
   ............RAP 21F Vertical White Streaks On Printed Output     83
   ............RAP 21G Areas Missing From Printed Output            84
   ............RAP 21H Poor Fusing                                  85
   2.6 Tests                                                        86
   ....2.6.01 Self-Diagnosis                                        87
   ....2.6.02 Sensor Calibration / Scanning Check                   88
   ....2.6.03 LED Test                                              89
   ....2.6.04 Tone Test                                             90
   ....2.6.05 High-Speed Modem Transmit Test                        91
   ....2.6.06 High-Speed Modem Receive Test                         92
   ....2.6.07 Multi-Frequency Send Test                             93
   ....2.6.08 Print Test                                            94
   ....2.6.09 Voice Message Test                                    95
   2.7 Reports - General Information                                96
   ....2.7.02 Service Codes List (Activity Report)                  97
   ....2.7.03 Protocol Dump                                         98
   ........Facsimile Control Field Conversion Table                 99
   2.8 Resets                                                      100
   ....2.8.01 General Information                                  101
   ....2.8.02 Toner Counter Reset                                  102
   ....2.8.03 Drum Counter Reset                                   103
   ....2.8.04 Fuser Counter Reset                                  104
   ....2.8.05 System Reset                                         105
   2.9 Technical Function Settings                                 106
   ....List Of Technical Functions - Okifax 2200                   107
   ....List Of Technical Functions - Okifax 2400/2600              108
   ....2.9.02 Service Bit / Service Parameter                      109
   ........Bit Assignments Table                                   110
   2.10 Tel / Fax Automatic Switching                              111
   2.11 Touch Tone Mode                                            112
   2.12 Dialing Parameters                                         113
   2.13 User Functions                                             114
   ....2.13.02 Dual Access Combination Table - Okifax 2400/2600    115
   2.14 General Operation Diagrams                                 116
3 Disassembly & Maintenance
   Disassembly & Maintenance - General Information                 117
   3.2 Disassembly/Assembly Procedures                             118
   ....3.2.01 Preliminary Items                                    119
   ....3.2.02 Doc. Stay Guide Assembly; Rear And Terminal Cap      120
   Covers
   Table of Contents                                                Page
   ....3.2.03 Right Side Cover And Speaker                          121
   ....3.2.04 Network Control Unit                                  122
   ....3.2.05 Left Side Cover Assembly                              123
   ....3.2.06 Cradle Assembly                                       124
   ....3.2.07 Hook Switch Board                                     125
   ....3.2.08 Memory Board                                          126
   ....3.2.09 Control Panel Assembly And Paper Guide (U)            127
   ....3.2.10 Feed, Pinch Roller; Tension Arm; Adf Spring, B-Up     128
   Plate
   ....3.2.11 Separation Rubber                                     129
   ....3.2.12 Cover (U)                                             130
   ....3.2.13 ADF, SUB, And Sensor Rollers; Paper Guide &           131
   Releases
   ....3.2.14 Verification Stamp, Paper Guide (E), And Feed         132
   Roller(2)
   ....3.2.15 Contact Image Sensor Assembly                         133
   ....3.2.16 Gear Frame Assembly And Scan Motor                    134
   ....3.2.17 PC-1, PC-2, And Pinch Roller                          135
   ....3.2.18 Release Guide Assembly And Sub-Cover (Right)          136
   ....3.2.19 Main Control Board, Second Tray Interface Board       137
   ....3.2.20 Lower Base Assembly                                   138
   ....3.2.21 Stacker Cover And Led Head                            139
   ....3.2.22 Feed Guide, Eject Roller, And Fusing Unit             140
   Assemblies
   ....3.2.23 Motor Assembly, Resist Motor, And Main Motor          141
   ....3.2.24 Pressure & Transfer Rollers, Idle Gears, Cover Open   142
   Arm, Reset Levers
   ....3.2.25 Registration Roller, Sensor Plates, Damper Cover      143
   Arm, Gear
   ....3.2.26 Line Board And Network Control Board                  144
   ....3.2.27 Printer Control Board And Fan                         145
   ....3.2.28 PS Board, Cassette Tray Assm., & Cassette Sensor      146
   Plate
   3.3 Adjustments And Service Settings                             147
   3.4 Cleaning                                                     148
   3.5 Lubrication                                                  149
A Board Diagrams
   Board Diagrams                                                   150
   A.2 Index To Charts                                              151
   ....A.2.01 Main Control Board (MCNT-250) Okifax 2200             152
   ....A.2.02 Main Control Board (DFCU) Okifax 2400/2600            153
   ....A.2.03 Printer Control Board (PCNT-250) Okifax 2200          154
   ....A.2.04 Printer Control Board (DFPU) Okifax 2400/2600         155
   ....A.2.05 Network Control Unit (NCU)                            156
   Table of Contents                                        Page
    ....A.2.06 Power Supply Board (PWU)                     157
    ....A.2.07 Memory Board (MT-25) Okifax 2200             158
    ....A.2.08 Memory Board (DFME) Okifax 2400/2600         159
    ....A.2.09 Line Interface Board (LINE)                  160
    ....A.2.10 Connector Board (CB-250)                     161
    ....A.2.11 Interconnect Diagrams (2200)                 162
    ........Okifax 2200 - 2 Of 5                            163
    ........Okifax 2200 - 3 Of 5                            164
    ........Okifax 2200 - 4 Of 5                            165
    ........Okifax 2200 - 5 Of 5                            166
    ....A.2.12 Interconnect Diagrams (2400/2600) - 1 Of 6   167
    ........Okifax 2400/2600 - 2 Of 6                       168
    ........Okifax 2400/2600 - 3 Of 6                       169
    ........Okifax 2400/2600 - 4 Of 6                       170
    ........Okifax 2400/2600 - 5 Of 6                       171
    ........Okifax 2400/2600 - 6 Of 6                       172
B Illustrated Parts
    B.1 Illustrated Parts Listing - General Information     173
    ....B.1.02 Definitions Of Terms                         174
    ....B.1.03 Parts Ordering Information                   175
    B.2 Charts                                              176
    ....B.2.01 Cabinet Assembly (1 Of 2)                    177
    ....B.2.02 Cabinet Assembly (2 Of 2)                    178
    ....B.2.03 Control Panel Assembly (Okifax 2200)         179
    ....B.2.04 Control Panel Assembly (Okifax 2400/2600)    180
    ....B.2.05 Printer Assembly (1 Of 3)                    181
    ....B.2.06 Printer Assembly (2 Of 3)                    182
    ....B.2.07 Printer Assembly (3 Of 3)                    183
    ....B.2.08 Base Assembly (1 Of 2)                       184
    ....B.2.09 Base Assembly (2 Of 2)                       185
    ....B.2.10 Scan Assembly (1 Of 2)                       186
    ....B.2.11 Scan Assembly (2 Of 2)                       187
    ....B.2.12 Scan Unit (1 Of 3)                           188
    ....B.2.13 Scan Unit (2 Of 3)                           189
    ....B.2.14 Scan Unit (3 Of 3)                           190
    ....B.2.15 Upper Paper Guide Assembly (1 Of 2)          191
    ....B.2.16 Upper Paper Guide Assembly (2 Of 2)          192
    ....B.2.17 Cables                                       193
    ....B.2.18 Options                                      194
    ....B.2.19 Packaging                                    195
    ....B.2.20 Consumables                                  196
    ....B.2.21 Documentation                                197
    B.2.3 UST-500 Illustrated Parts List                    198
    ....B.2.31 Assembly View                                199
   Table of Contents                                  Page
    ....B.2.32 Section 1: Cabinet Assembly            200
    ....B.2.33 Section 2: Mechanical Unit             201
    ....B.2.34 Section 3: Cassette Assembly           202
C Installation of Options
    C.1 Overview                                      203
    C.2 Option Installation                           204
    ....C.2.02 UST-500 (Second Paper Cassette Unit)   205
    ........UST-500 Testing Procedure                 206
    ....C.2.03 SIO-45 Board (RS232-C Interface)       207
    C.3 Telephone Answering Device (TAD) Interface    208
                                                                                                Page: 2
                                            Service Guide OF2200/2400/2600
                                                     Chapter 0 About This Manual




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