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Okidata Fax 5050, 5300, 5600 Service Manual


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                                                         Service Manual for OF5300/5600
                                                                         Chapter 0 Introduction



Front Cover




                                          OKIFAX 5050 / 5300 / 5600
                                           FACSIMILE PRODUCTS


                                         Adobe Acrobat printable reference copy
                                        of the OKIDATA Service Training Manual.
                                                       05/07/98

                   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 display well
                         on most displays.



OKIDATA has taken care to insure that the information is complete, accurate and up-to-date. However, OKIDATA assumes no
responsibility for errors or omissions which may occur. All the information provided is subject to change from time to time at the
sole discretion of OKIDATA.
      Table of Contents                                              Page

Service Manual for OF5300/5600
   0 About This Manual
       Read Me First                                                  1
       Copyright                                                      2
       OKIFAX 5050 Service Authorization                              3
       OKIFAX 5050 ADDENDUM to OKIFAX 5300/5600 Service               4
       Manual
   1 General Information
       1.1 General Performance                                        6
       1.2 General User's Function                                    7
       1.3 General Maintenance Functions                              8
       1.4 General Appearance                                         9
       1.5 Basic Performance Specifications (Table 1.5.1)             10
       1.6 Reports and Lists (Table 1.6.1)                            11
       ....Call-back Message (Example)                                12
       ....Sender ID Format: (Example)                                13
       ....TSI Printing (Example)                                     14
       ....Power Outage Report (Example)                              15
       ....Activity Report (Example)                                  16
       ....Message Confirmation Report                                17
       ....Broadcast Entry Report (Example)                           18
       ....Confidential Reception Report (Example)                    19
       ....Broadcast Confirmation Report (Example)                    20
       ....Confidential Reception Report (Example)                    21
       ....Telephone Directory for OKIFAX 5300                        22
       ....Telephone Directory for OKIFAX 5600                        23
       ....Configuration Report (User) [Service Bit OFF]              24
       ....Configuration Report (Service) [Service Bit ON]            25
   2 Installation Procedures
       2.1 General                                                    26
       2.2 Site Selection Title of Chapter                            27
       2.3 Unpacking                                                  28
       2.4 Check of Contents                                          29
       2.5 Installation of Attachments                                30
       2.6 AC Cord Connection                                         31
       2.7 Telephone and Line Connections                             32
       2.8 Packing for Shipment                                       33
       2.9 Initial Settings                                           34
       ....2.9.1 Key Operation Flowchart (Figure 2.9.1)               35
       ....2.9.2 Technical Functions                                  36
       ........Table 2.9.2                                            37
       ........TAD Mode (Technical Function 07)                       38
       ........TEL/FAX Automatic Switching (Technical Function 09)    39
   Table of Contents                                             Page
   ....2.9.3 Technical Functions Example                          40
   ........Technical Functions 01 to 11 (Table 2.9.2)             41
   ........Technical Functions 12 to 16 (Table 2.9.2)             42
   ........Technical Functions 17 to 23 (Table 2.9.2)             43
   ........Technical Functions 24 to 27 (Table 2.9.2)             44
   ........Technical Functions 28 to 31 (Table 2.9.2)             45
   ....2.9.4 User's Functions                                     46
   ........Feature Specifications (Table 2.9.3):                  47
   ........Dual Access Combination Table (1/2)                    48
   ........Dual Access Combination Table (2/2)                    49
   ........2)-1 One-Touch Key Program Settings                    50
   ........One-Touch Key Program Settings (Table 2.9.4)           51
   ........2)-2 Function Program                                  52
   ....2.9.5 User's Functions Example                             53
   ........User's Functions (Table 2.9.5)                         54
   ....2.9.6 Clock Adjustment                                     55
   ....2.9.7 Dual Access Operation                                56
   ....2.9.8 System Data Programming                              57
   ....2.9.9 Dial Parameters Settings                             58
   ........Dial Parameters Settings (Table 2.9.9)                 59
   ....2.9.10 Off-line Tests                                      60
   ....2.9.11 On-line Tests                                       61
   2.10 Installation of Optional Units                            62
   ....1. Memory Board                                            63
   ....2. CTR (PC interface) board                                64
   ....3. Optional Telephone Set                                  65
   ....4. Second Paper Cassette Unit                              66
3 Brief Technical Description
   3.1 Fundamentals of the Electro-Photographic Process           67
   ....Electric Photographic Process Flow                         68
   3.2 Actual Electo-photographic Process (Figure 3.2.1)          69
   3.3 Boards and Units                                           70
   ....Block Diagram (Figure 3.3.2)                               71
   3.4 Overall Dimension and Mechanical Structure                 72
4 Disassembly
   4.1 General                                                    73
   ....4.1.1 Precautions for Parts Replacement                    74
   ....4.2.2 Tools                                                75
   4.2.3 How to Disassemble and Reassemble                        76
   ........Disassembly Procedure Flow (Figure 4.2) 1 of 2         77
   ........Disassembly Procedure Flow (Figure 4.2) 2 of 2         78
   ....4.2.3.1 LED Print Head                                     79
   ....4.2.3.2 Image Drum, Covers (Rear, NCU, Main) Separation    80
   Plate, Boards (NCU, Modem)
   Table of Contents                                                Page
    ....4.2.3.3 Control Panel Assembly, Paper Guide (U) Assembly     81
    ....4.2.3.4 Sub-roller, ADF Roller Assembly, Pinch Roller,       82
    Contact Image Sensor, Document Detectors (PC1 and PC2)
    ....4.2.3.5 Motors (Resist, Drum), Assemblies (Release Guide,    83
    Manual Guide) Stacker Cover, Fusing Unit
    ....4.2.3.6 Lower Base, Motor Assembly, Back-up Roller,          84
    Transfer Roller
    ....4.2.3.7 Resist Roller, Hopping Roller, Sensor Plate          85
    ....4.2.3.8 MCNT Board, Power Supply Unit, Contact Assembly,     86
    Transformer, Sub-PSU
5 Adjustments
    5.1 Setting of LED Print Head Drive Time                         87
    5.2 Confirmation Items                                           88
    5.3 Measurement                                                  89
    ....Measurement Points on M17 Board (Figure 5.3.1)               90
6 Cleaning and Maintenance
    6.1 Consumables Replacement                                      91
    ....Replaceable Items Diagram (Figure 6.1.2)                     92
    ....Others - Reliability (Figure 6.1.1)                          93
    6.2 Preventative Maintenance                                     94
    ....Preventative Maintenance (Table 6.2.2)                       95
    ....Preventative Maintenance Diagram (Figure 6.2.2)              96
    6.3 Printer Counter Display/Clear (User)                         97
    ....6.4 Printer Counter Display/Clear (Service)                  98
    6.5 Self-Diagnosis Test                                          99
    ....Self-Diagnosis Test Sample (Figure 6.5.1)                   100
    ....Explanation of Self-Diagnosis Test Items                    101
    6.6 Sensor Calibration Test                                     102
    6.7 LED Test                                                    103
    6.8 Tone Send Test                                              104
    6.9 High-speed Modem Send Test                                  105
    ....High-speed Modem Send and Receive Test Diagram (Figure      106
    6.9.1)
    6.10 High-speed Modem Receive Test                              107
    6.11 MF Send Test                                               108
    6.12 Tone (TEL/FAX)                                             109
    6.13 Protocol Data Dump (Figure 6.13.1)                         110
    ....Sample Protocol Data Dump (Figure 6.13.1)                   111
    ....Data Analysis (Figure 6.13.2)                               112
    ....Facsimile Control Field Conversion Table                    113
7 Troubleshooting
    7.1 Overview                                                    114
    ....7.1.1 Overall Troubleshooting Flow Chart                    115
    ....7.1.2 No LCD Operation                                      116
   Table of Contents                                                    Page
   ....7.1.3 Alarm LED On                                               117
   ....7.1.4 Printing Test Failure                                      118
   ....7.1.5 No Local Copy                                              119
   ....7.1.6 Auto Dial Failure                                          120
   ....7.1.7 Transmission Problem                                       121
   ....7.1.8 Auto Reception Failure                                     122
   ....7.1.9 Reception Problem                                          123
   ....7.1.10 Sensor Calibration Test                                   124
   ....7.1.11 LED Test                                                  125
   ....7.1.12 Tone Send Test                                            126
   ....7.1.13 High-speed Modem Test                                     127
   ....7.1.14 MF Send Test                                              128
   ....7.1.15 Tone (TEL/FAX) Send Test                                  129
   ....7.1.16 No Acoustic Line Monitor                                  130
   ....7.1.17 Power Supply Unit                                         131
   ....7.1.18 No Document Feeding                                       132
   ....7.1.19 Multiple Document Feeding                                 133
   ....7.1.20 Document Skew                                             134
   ....7.1.21 Document Jam                                              135
   ....7.1.22 Printer Unit                                              136
   ........7.1.22.1 Precautions                                         137
   ........7.1.22.2 Troubleshooting Flow Charts of Printer Unit         138
   ............Overall Troubleshooting Flowchart                        139
   ............1: Top Cover is Open                                     140
   ............2: Replace Image Drum Message                            141
   ............3: Engine Controller Error                               142
   ............4: Fan Motor Rotation Error                              143
   ............5: Fuser Unit Thermal Error                              144
   ............6: Paper Jams                                            145
   ............7: No Paper Tray or No Paper                             146
   ............Action Items (Printer Unit-LCD Message) Table 7.1.22.2   147
   ........7.1.22.3 Image Problems Table                                148
   ............Sample Image Problems (Figure 7.1.22.1)                  149
   ............8: Light or Blurred Output                               150
   ............9: Smeared Background on Output                          151
   ............10: Blank Output                                         152
   ............11: Vertical Black Stripes on Output                     153
   ............12: Evenly Spaced Marks on Output                        154
   ............13: Missing Print on Output                              155
   ............14: Vertical White Stripes on Output                     156
   ............15: Poor Fusing                                          157
8 Dipswitch Settings
   8.1 General Information                                              158
A Board Descriptions
Table of Contents                                                  Page
A1.1 Unit Configuration and Block Diagram (Figure A.1.12)          159
....Block Diagram (Figure A1.2.2)                                  160
....Block Diagram Abbreviations                                    161
A1.2 Function of Each Unit                                         162
A2.1 Signal Flow Explanation                                       163
....(1) Copy Mode                                                  164
....Copy Picture Signal (Figure A2.2.1)                            165
....(2) G3 Send Mode                                               166
....G3 Send Pciture Signal (Figure A2.2.2)                         167
....(3) G3 Receive Mode                                            168
....G3 Receive Picture Signal (Figure A2.2.3)                      169
....(4) 300 bps Send Mode                                          170
....300 bps Send Signal (Figure A2.2.4)                            171
....(5) 300 bps Receive Mode                                       172
....300 bps Receive Signal (Figure A2.2.5)                         173
....(6) Report Printing                                            174
....Report Printing Signal (Figure A2.2.6)                         175
....(7) Memory Transmission                                        176
....(8) Memory Reception                                           177
....Related Signals of CPU Diagram (Figure A3.2.1)                 178
A3.2 M17 Circuit Diagram                                           179
....A3.2.1 M17 Circuit Diagram                                     180
........Related Signals of CPU Diagram (Figure A3.2.1)             181
....A3.2.2 M17 Circuit Diagram                                     182
........Related Signals of IOGA (Figure A3.2.2)                    183
....A3.2.3 M17 Circuit Diagram                                     184
........Block Diagram of FLS, MASK and Real Time Clock             185
(Figure A3.2.3)
....A3.2.4 M17 Circuit Diagram                                     186
........Block Diagram of Audio Monitor Circuit (Figure A3.2.4)     187
....A3.2.5 M17 Circuit Diagram                                     188
........Related Signals and Block Diagram of CIS (Figure A3.2.5)   189
....A3.2.6 M17 Circuit Diagram                                     190
........Related Signals of EXSEED (Figure A3.2.6)                  191
....A3.2.7 M17 Circuit Diagram                                     192
........Related Signals of Modem (Figure A3.2.8)                   193
....A3.2.8 M17 Circuit Diagram                                     194
........Interface between M17 Board and NCU Board (Figure          195
A3.2.9)
........Interface between M17 Board and OPE (Figure A3.2.10)       196
........Related Signals of PC1/PC2 (Figure A3.2.11)                197
....A3.2.9 M17 Circuit Diagram                                     198
........Related Signals and Block Diagaram of LED Head (Figure     199
A3.2.12)
Table of Contents                                                  Page
....A3.2.10 M17 Circuit Diagram                                    200
........Related Signals of Send Motor (Figure A3.2.13)             201
....A3.2.11 M17 Circuit Diagram                                    202
........Related Signals of Drum/Resist Motor (Figure A3.2.14)      203
....A3.2.12 M17 Circuit Diagram                                    204
........Related Signals of Fan Motor (Figure A3.2.15)              205
........Figure A3.2.16 Interface between M17 Board and 2'nd        206
Tray
....A3.2.13 M17 Circuit Diagram                                    207
........Sensor Functions                                           208
........Sensors and Switch Control (Figure A3.2.17)                209
........Fuser Unit Temperature Control (Figure A3.2.18)            210
........High/Medium Voltage Control (Figure A3.2.19)               211
....A3.2.14 M17 Circuit Diagram                                    212
........Interface: M17 Board to Optional Memory Board (Figure      213
A3.2.20)
........Interface M17 Board to CR Board (PC interface unit)        214
(Figure A3.2.21)
....A3.2.15 M17 Circuit Diagram                                    215
........Block Diagram of DRAM (Figure A3.2.22)                     216
....A3.4 OPE (05W) Circuit Diagram                                 217
........Block Diagram of OPE (operation unit) (Figure A3.4.1)      218
....A3.6 Power Supply Unit                                         219
....A3.6.1 1VP (for 120 V)/2VP (for 230 V) Circuit Diagram (1/2)   220
........1. Low-voltage power supply circuit                        221
........2. Input ratings                                           222
........3. Output ratings                                          223
........4: Block Diagram                                           224
........Block Diagram of PWU (power supply unit) (Figure A3.6.1)   225
........5. General functional description                          226
............5-1 General                                            227
............5-2 Circuit Description                                228
............5-2-1 AC input section                                 229
............5-2-2 Heater control circuit                           230
............5-3 Low-voltage section                                231
............5-3-1 +30 V circuit                                    232
............5-3-2 +/- 8 V circuit                                  233
............5-3-3 +5 V circuit                                     234
............5-4 Protection circuit                                 235
............5-5 Cover open circuit                                 236
....A3.6.2 1VP (for 120V)/2VP (for 230V) Circuit Diagram (2/2)     237
........5-6 High-voltage Section                                   238
........5-6-1 Functional overview                                  239
........5-6-2 SB2, DB1, DB2 and CB                                 240
   Table of Contents                                                   Page
   ........5-6-3 TR1 and TR2                                           241
   ........5-6-4 CH                                                    242
   ........5-7 Photosensors                                            243
   A3.7 UNC5 (NCU) Circuit Diagram                                     244
   ....Block Diagram of UNC (Figure A3.7.1)                            245
   A3.8 TELU Circuit Diagram (option)                                  246
   ....Block Diagram of TEL-U (option) (Figure A3.8.1)                 247
   A3.11 MEMO (memory) Circuit Diagram                                 248
   ....Related Signals of Memory Board (option) (Figure A3.11.1)       249
   A3.12 CTR Circuit Diagram (PC interface unit: option)               250
   ....Related Signals of P050 (PC interface unit) (Figure A3.12.1)    251
   ....Block Diagram of 2nd Tray (Figure A3.13.1)                      252
   A3.13 TQSB (Second tray) Circuit Diagram: option                    253
B Print Operation Description
   Overview                                                            254
   B2.1 Mechanical Components                                          255
   ....1) Image drum cartridge                                         256
   ....2) Resist motor                                                 257
   ....3) Drum motor                                                   258
   ....4) LED head                                                     259
   ....5) Fuser                                                        260
   ....Layout of Print Station Components (FigureB2.1)                 261
   B2.2 Description of Print Operations                                262
   ....B2.2.1 Process Operations                                       263
   ........1) Hopping and feeding                                      264
   ........2) Charging                                                 265
   ........3) Exposure                                                 266
   ........4) Developing                                               267
   ........5) Transfer                                                 268
   ........6) Fusing                                                   269
   ........7) Cleaning                                                 270
   ........8) Cleaning of rollers                                      271
   ....B2.3 Errors                                                     272
   ........B2.3.1 Errors List                                          273
   ........B2.3.2 Major Trouble Errors                                 274
   ............B2.3.2.1 Fuser Error (Print Alarm 4)                    275
   ............B2.3.2.2 Fan Error (Print Alarm 3)                      276
   ............B2.3.2.3 Paper Feed Monitoring                          277
   ............B2.3.2.4 2'nd Tray Communication Error (Printer Alarm   278
   2)
   ............B2.3.2.5 Cover Open                                     279
   ........B2.3.3 Recoverable Errors                                   280
   ............B2.3.3.1 Toner Low Detection                            281
   ............Composition                                             282
   Table of Contents                                             Page
    ............Operation                                        283
    ............Operation during toner full state                284
    ............Operation during toner low state                 285
    ............Low Toner Alarm                                  286
    ........B2.3.2.3 Paper Feed Monitoring                       287
C Circuit Diagrams
    C.1 General Information                                      288
D Illustrated Parts List
    Assembly                                                     289
    1: Cabinet Assembly                                          290
    2: Control Panel Assembly                                    291
    3A: Printer Assembly (1 of 2)                                292
    3A: Printer Assembly (2 of 2)                                293
    4A: Base Assembly (1 of 2)                                   294
    4A: Base Assembly (2 of 2)                                   295
    5: Scan Unit                                                 296
    6: Paper Guide Assembly                                      297
    7: Cables                                                    298
    8: Option Telephone                                          299
    9A: Second Paper Feed (Option)                               300
    9B: Second Paper Feed (Option)                               301
    10: Miscellaneous                                            302
    ....Whole Unit                                               303
    ....Consumables                                              304
    ....Options                                                  305
    ....Packaging                                                306
    ....User's Manuals                                           307
    ....Service (Technical) Manuals                              308
E Board Layout
    Diagram                                                      309
F Second Paper Feeder
    1. Outline                                                   310
    ....1.1 Functions                                            311
    ....1.2 External View and Component Names (Figure 1-1)       312
    2. Mechanism Description                                     313
    ....2.1 General Mechanism                                    314
    ....2.2 Hopper Mechanism                                     315
    3. Parts Replacement                                         316
    ....3.1 Precautions Concerning Parts Replacement             317
    ....3.2 Parts Layout                                         318
    ....3.3 Parts Replacement Methods                            319
    ........3.3.1 Stepping Motor (Hopping)                       320
    ........3.3.2 TQSB2-PCB                                      321
    ........3.3.3 Hopping Roller Shaft Assy and One-way Clutch   322
    Gear
   Table of Contents                                   Page
   4. Troubleshooting                                  323
   ....4.1 Precautions Prior to the Troubleshooting    324
   ....4.2 Preparations for the Troubleshooting        325
   ....4.3 Troubleshooting Method                      326
   ........4.3.1 LCD Status Message List               327
   5. Connection Diagram                               328
   ....5.1 Interconnection Diagram                     329
   ....5.2 PCB Layout                                  330
   6. Parts List                                       331
G RMCS System
   Introduction                                        332
   1. Notes to Users                                   333
   ....1.1 Identifying the Packaged Contents           334
   ....1.2 Required Devices                            335
   ....1.3 Connectable Peripheral Equipment            336
   2. Setup                                            337
   ....2.1 Mounting                                    338
   ........2.1.1 Mounting Procedures                   339
   ....2.2 Installation                                340
   ........2.2.1 Registering the RMCS Basic System     341
   ........2.2.2 Registering the Facsimile Model No.   342
   ........2.2.3 Deleting the Facsimile Model No.      343
   ........2.2.4 Updating the Password                 344
   ........2.2.5 Updating the Dip Switches             345
   ........2.2.6 Deleting the RMCS Basic System        346
   3. RMCS Basic Operation                             347
   ....3.1 Activating and Terminating the system       348
   ........3.1.1 To Activate                           349
   ........3.1.2 Entering the ID and Password          350
   ....3.2 TEL Directory                               351
   ........3.2.1 To Terminate                          352
   ........3.2.2 Selecting Destination Drive           353
   ....3.3 Main Menu                                   354
   ....3.4 Environment Setting                         355
   4. Message Modifying Tool                           356
   ....4.1 Activating the Program                      357
   ....4.2 Modifying Message                           358
   ........4.2.1 File Selection                        359
   ....4.3 Saving Message                              360
   ........4.3.1 Confirmation                          361
   ....4.4 Loading Message                             362
   ........4.4.1 Confirmation                          363
   ....4.5 Other Message File                          364
H Product Service Bulletins
   Table of Contents                    Page
    H.1 General Information             365
    ....OKIDATA'S Web Site              366
    ....Faxable Facts                   367
    ....OKILINK II                      368
I Recommended Spare Parts List (RSPL)
    I. General Information              369
    ....OKIDATA'S Web Site              370
    ....Faxable Facts                   371
    ....OKILINK II                      372
                                                                                                   Page: 1
                                                 Service Manual for OF5300/5600
                                                           Chapter 0 Introduction




   Kit Contents

           This Read Me First Sheet       Quick Start Guide
           Certification Manual           Hardware Handbook
           Service Manual                 PC Interface Kit

   Missing Items

   If any items are missing, please contact OKIDATA Order Processing at the appropriate number listed
                          below.

United States / Latin America
Facsimile:        609-222-5022
Voice:            800-727-8654

Canada
Facsimile:         905-238-4421
Voice:             905-238-4250

You must provide the information listed below.

     OKIDATA Authorization Number (Dealer Number)
     OKIDATA Customer Number
     Order Acknowledgment Number (on the invoice)
     Part Number of Kit

Completing the Course

Refer to the Certification Manual for information on completing the course.


   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)
                                                                                                  Page: 2
                                              Service Manual for OF5300/5600
                                                           Chapter 0 Introduction




Disclaimer

This document may not be reproduced without the written permission of OKIDATA Training and
Publications. Every effort has been made to ensure the accuracy of the information contained in this
training course. OKIDATA is not responsible for errors beyond its control.

Copyright / About Information

Copyright 1997 by OKIDATA All rights reserved.

First Release P/N 59278301 September, 1997

Written by OKIDATA Training and Publications

Contact

Please address any comments on this publication to:

Mailing Address
OKIDATA
Training and Publications
532 Fellowship Road
Mount Laurel, NJ 08054-3499

Web Site - www.OKIDATA.com

Telephone - (609) 235-2600

Facsimile - (609) 222-5320

Okilink Login Name - Technical Training

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.

Microsoft and MS-DOS are registered trademarks and Microsoft Basic, Windows, TrueImage, and
TrueType are trademarks of Microsoft Corporation.

Okilink II is a trademark of Oki Electric Industry Company, Ltd.
ZIP Code is a registered trademark of the United States Postal Service.



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)
                                                                                                 Page: 3
                                             Service Manual for OF5300/5600
                                                         Chapter 0 Introduction




May, 1998


RE: OKIFAX 5050 Service Authorization


Dear Okidata Facsimile Dealer:

Okidata is proud to announce the addition of the OKIFAX 5050 to our facsimile product line.

Enclosed is the OKIFAX 5050 Service Information Addendum, which will assist you in your efforts to
support this product. This addendum is to be used with the OKIFAX 5300/5600 Service Manual.

There is no need to complete a Certification Test for the OKIFAX 5050. All OKIFAX 5300/5600
Authorized Service Providers will automatically be authorized to perform warranty repairs on the OKIFAX
5050.

If you haven't already, please visit Okidata's Web Site at www.okidata.com. The Business Partner
Exchange (BPX) is your best link for current service and support information. Documentation (both user
and service) is available on-line.

Recommended Spare Parts Lists, Product Specifications, and Product Service Bulletins are just a few of
the many things available through the BPX. Check it out!

Sincerely,

Patrick J. Giacobbe
Manager, Training and Publications


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)
                                                                                                   Page: 4
                                             Service Manual for OF5300/5600
                                                          Chapter 0 Introduction




Functionality
The OKIFAX 5050 is technically similar to the OKIFAX 5300. The physical appearance is identical to the
OKIFAX 5300; however, the OKIFAX 5050 is strictly a stand-alone facsimile product. Although there is a
PC Interface connection socket on the OKIFAX 5050's Main Control Board, this socket is not functional,
and the PC Interface cannot be used on this product. This socket will only be used to update Flash ROM
using the High Speed Loading System.

In addition, the OKIFAX 5050 will only accept the 1.5 MB Memory Option (with battery back-up), and the 1
MB Memory Option (without battery back-up). Other than the lack of PC Interface and optional memory
capability, there are no other functional or operational differences between the OKIFAX 5050 and the
OKIFAX 5300.

Hardware
There are two hardware (spare part) differences between the OKIFAX 5050 and OKIFAX 5300. The
following parts are unique to the OKIFAX 5050:
 1. Main Control PCB (E17-3 PCB)                                          P/N 55083101
 2. Operator Panel Assembly (Contains the OKIFAX 5050 logo)               P/N 55083210

Firmware
For First Production Release Firmware Information, refer to Product Bulletin # E708 (on the back of this
sheet).

Standard Memory
The OKIFAX 5050 has 256kb of standard document storage memory.

Documentation
OF5050 User Guide                                           P/N 59286401
OF5050 Quick Start Guide                                    P/N 59286501

Options
1.5 MB Expansion Memory with Battery Back-up                P/N 70031501
1.0 MB Expansion Memory without Battery Back-up             P/N 70029101
500 Sheet Letter/Legal Paper Tray                           P/N 70029401
Telephone Handset                                           P/N 70031801

Consumables
Drum and toner                                              same as the OKIFAX 5300/5600
Toner Cartridge                                             P/N 52106701
Image Drum Kit                                              P/N 56116901

Service Procedures
When servicing the OKIFAX 5050, refer to the maintenance procedures for the OKIFAX 5300 in the
OKIFAX 5300/5600 Service Manual. The OKIFAX 5300 procedures apply to the OKIFAX 5050.

Service Authorization
All OKIFAX 5300/5600 Authorized Service Providers will automatically be authorized to perform warranty
repairs on the OKIFAX 5050.
PACKAGING
Box, w/ graphics                                                  P/N 53593002
Foam Endcap: Left                                                 P/N 53591101
Foam Endcap: Right                                                P/N 53591102




            Level:     First Production Release:      Version:      FC11

       Firmware:       Flash ROM 1                   Location:      E17-3 PCB

   Serial Number       OF 5050: All Serial                Size:     4 MB
      Effectivity:     Numbers

     Okidata P/N:      N/A (not socketed             Oki-J PN:      N/A (not socketed firmware)
                       firmware)

    Self Test Rev:     B39B



              Level:   First Production Release:       Version:      GC11

        Firmware:      Flash ROM 2                    Location:      E17-3 PCB

    Serial Number      OF 5050: All Serial                 Size:     4 MB
       Effectivity:    Numbers

     Okidata P/N:      N/A (not socketed              Oki-J PN:      N/A (not socketed firmware)
                       firmware)

     Self Test Rev:    A0C9


Application

This Flash firmware version is incorporated in first production release of the OKIFAX 5050.

Changes:

None (First Production Release)

Note: The OKIFAX 5050 uses Flash ROM to store firmware and configuration changes. These ROMS
are not socketed, and cannot be physically replaced. The Flash ROM version is field upgradable using
two methods:

    1. Replace the OKIFAX 5050 Main Control PCB (E17-3 PCB, part number 55083101). Replacement
    boards should always contain the current version firmware.

    2. Use the Remote Management Center System (RMCS) to upgrade Flash ROM remotely via the
    telephone. The "RMCS" is a remote diagnostic system, that may be purchased by authorized
    OKIDATA dealers that allows remote              programming and diagnosis of OKIFAX machines via
    telephone. The OKIFAX 5050's Flash Firmware can also be         updated remotely using this tool. For
    more information regarding the availability and/or purchase of an OKIFAX RMCS system, please
    contact your OKIDATA Sales Representative.
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)
                                                                                                  Page: 6
                                             Service Manual for OF5300/5600
                                                    Chapter 1 General Information




(01)   Type of appearance

          Desktop type
(02)    Applicable lines
          Public switched telephone
            network (PSTN)
          Private branch exchange (PBX)
(03)   Compatibility
          ITU-T Group 3 facsimile
            transceiver
(04)   Document width
          Max. 216 mm (8.5 inches [North
            American Letter])
          Min. 148 mm (5.83 inches [ISO
            A5 size])
(05)   Effective reading width
          Max. 215 mm (8.46 inches)
(06)   Scanning length
          128 mm to 356 mm (5.06 inches
            to 14 inches)
       (Length setting: Infinite is also
       available.)
(07)   Automatic document feeder (ADF)
          30 sheets (Letter/A4-size: 20-1b
            bond.)
          15 sheets (Letter/A4-size: 13 to
            28-1b bond
(08)   Recording paper or sheet

         First cassette:                      NA Letter/NA Legal/A4-size plain paper cut
                                              250 sheets capacity (20-1b bond*)
         Second cassette (Option):            NA Letter/NA Legal/A4-size plain paper cut
                                              500 sheets capacity (20-1b bond*)
         Manual loading feeder:               



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