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Okidata Fax 5750, 5950 Service Manual


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 OKIFAX 5750 // 5950
  Facsimile Machine




SERVICE
MANUAL
       Table of Contents                                           Page

Service Guide OKIFAX 5750/5950
   0 Introduction
       Copyright                                                    2
   1 General Information
       1.1 General Performance                                      3
       1.2 General User's Function                                  4
       1.3 General Maintenance Functions                            5
       1.4 General Appearance                                       6
       ....1.4.1 General Appearance of OKIFAX 5750/5950             7
       ....1.4.2 Control Panel                                      9
       1.5 Basic Performance Specifications                         10
       ....Table 1.5.1 (1/8) Basic Performance Specifications       11
       ....Table 1.5.1 (2/8) Basic Performance Specifications       12
       ....Table 1.5.1 (3/8) Basic Performance Specifications       13
       ....Table 1.5.1 (4/8) Basic Performance Specifications       14
       ....Table 1.5.1 (5/8) Basic Performance Specifications       15
       ....Table 1.5.1 (6/8) Basic Performance Specifications       16
       ....Table 1.5.1 (7/8) Basic Performance Specifications       17
       ....Table 1.5.1 (8/8) Basic Performance Specifications       18
       1.6 Reports and Lists                                        19
       ....1.6.1 Configuration Report (List of Setting)             21
       ........1.6.1.1 Difference From OKIFAX 5700/5900             21
       ........1.6.1.2 Report Image                                 21
       ....1.6.2 Function List                                      21
       ........1.6.2.1 Difference from OKIFAX 5750/5950             21
       ........1.6.2.2 Report Image                                 21
       ....1.6.3 Help Report                                        21
       ........1.6.3.1 Report Image (Conditions for Description)    21
       ....1.6.4 Telephone Directory                                21
       ........1.6.4.1 Difference from OKIFAX 5700/5900             21
       ........Telephone Directory P1 for OF5750                    21
       ........Telephone Directory P2 for OF5750                    21
       ........Telephone Directory P3 for OF5750                    21
       ........Telephone Directory P4 for OF5750                    21
       ........Telephone Directory P5 for OF5750                    21
       ........Telephone Directory P1 for OF5950                    21
Table of Contents                                                Page
........Telephone Directory P2 for OF5950                         21
........Telephone Directory P3 for OF5950                         21
........Telephone Directory P4 for OF5950                         21
........Telephone Directory P5 for OF5950                         21
........Telephone Directory P6 for OF5950                         21
........Telephone Directory P6 for OF5950                         21
........Telephone Directory P7 for OF5950                         21
........Telephone Directory P8 for OF5950                         21
........Telephone Directory                                       21
....1.6.5 Group Directory                                         21
........1.6.5.1 Difference from OKIFAX5700/5900                   21
........Group Directory for OKIFAX5750                            21
........Group Directory P1 for OKIFAX5950                         21
........Group Directory P2 for OKIFAX5950                         21
........Group Directory                                           21
....1.6.6 Self Diagnosis Report                                   21
........1.6.6.1 Difference from OKIFAX5700/OF5900                 21
........1.6.6.2 Report Image                                      21
....1.6.7 G3 Protocol Dump                                        21
........1.6.7.1 Difference from OKIFAX5700/OF5900                 21
........Protocol Dump P1                                          21
........Protocol Dump P2                                          21
....1.6.8 G4 Protocol Dump                                        21
........Protocol Dump P1                                          21
........Protocol Dump P2                                          21
....1.6.9 Relay Broadcast Confirmation                            21
........Relay Broadcast Confirmation Report P1 for OKIFAX 5750    21
........Relay Broadcast Confirmation Report P2 for OKIFAX 5750    21
........Relay Broadcast Confirmation Report P1 for OKIFAX 5950    21
........Relay Broadcast Confirmation Report P2 for OKIFAX 5950    21
........1.6.10 Internet Fax Reception Error Report (Error Mail    21
Report)
........Relay Broadcast Confirmation Report                       21
....1.6.11 Activity Report                                        21
....1.6.11.1 Difference from OKIFAX5700/5900                      21
........Activity Report                                           21
Table of Contents                                                Page
....1.6.12 Message Confirmation                                   21
........1.6.12.1 Difference from OKIFAX5700/5900                  21
........Message Confirmation (When the transmission is the        21
normal end)
........Message Confirmation (Error Report)                       21
........1.6.13 Power Outage Report                                21
....1.6.13.1 Difference from OKIFAX5700/5900                      21
........Power Outage Report                                       21
....1.6.14 Confidential RX Report                                 21
........1.6.14.1 Difference from OKIFAX5700/5900                  21
........Confidential RX Report                                    21
....1.6.15 Active Memory File                                     21
........1.6.15.1 Difference from OKIFAX 5700/5900                 21
........Active Memory Files P1                                    21
........Active Memory Files P2                                    21
........Active Memory Files (In case of within 1 page)            21
....1.6.16 Broadcast Entry Report                                 21
........1.6.16.1 Difference from OKIFAX 5700/5900                 21
........Broadcast Entry Report P1                                 21
........Broadcast Entry Report P2                                 21
........Broadcast Entry Report P1 for OKIFAX 5950 (1/2)           21
........Broadcast Entry Report P1 for OKIFAX 5950 (2/2)           21
........Broadcast Entry Report (When the destination of           21
Broadcast TX is specified by SPEED DIAL No. 1, No. 50, and
No. 100)
....1.6.17 Broadcast Confirmation Report                          21
....1.6.18 Relay Broadcast Entry Report                           21
....1.6.19 G3 Log Report                                          21
....1.6.20 NIC Configuration                                      21
........NIC Configuration (Type 1 ODA Version)                    21
........NIC Configuration (Type 2)                                21
....1.6.21 NIC Information                                        21
....1.6.22 E-mail Maintenance Report                              21
....1.6.23 Descriptions of Communication Mode Column              21
........1.6.23.1 Mode Column in Activity Report                   21
........1.6.23.2 Mode Column in MCF-multi Report (with/without    21
pictures)
    Table of Contents                                                 Page
    ....1.6.24 Output Conditions of Various MCF Reports During         21
    Transmission
    ........1.6.24.1 Difference from OKIFAX5700/5900                   21
    ........1.6.24.2 Reports to be output when queuing for             21
    communication is canceled
    ........1.6.24.3 Reports to be output upon canceling               21
    communication by pressing STOP Key
    ........1.6.24.4 Reports to be output upon the communication       21
    error end
    ........1.6.24.5 Reports to be output when the communication is    21
    completed normally.
2 Installation
    2.1 General Setup Information                                      76
    2.2 Site Selection                                                 77
    2.3 Unpacking                                                      78
    2.4 Contents Idenfication                                          79
    2.5 Installation of Attachments                                    80
    2.6 AC Cord Connection                                             81
    2.7 Telephone and Line Connections                                 82
    2.8 Packing for Shipment                                           83
    2.9 Initial Settings                                               84
    ....2.9.1 General Procedure of Key Operation                       85
    ........User Functions                                             86
    ....2.9.2 Technical Functions                                      87
    ........2.9.2.1 Technical Functions Operation 1                    88
    ........2.9.2.2 Technical Functions Operation 2                    89
    ........2.9.2.2.1 T1 (TX) Timer Value                              90
    ........2.9.2.2.2 T1 (RX) Timer Value                              91
    ........2.9.2.2.3 T2 Timer *100ms                                  92
    ........2.9.2.2.4 Error Criterion                                  93
    ........2.9.2.2.5 Attenuator                                       94
    ........2.9.2.2.6 T/F Tone Att.                                    95
    ........2.9.2.2.7 MF Att.                                          96
    ........2.9.2.2.8 Ring Dura. *10ms                                 97
    ........2.9.2.2.9 CML Timing *100ms                                98
    ........2.9.2.2.10 LED Headstrobe                                  99
Table of Contents                                                  Page
........2.9.2.2.11 ADMIN Email Addr.                                99
........Service Personnel Initial Settings Table 2.9.2.3 (1/11)    100
........Service Personnel Initial Settings Table 2.9.2.3 (2/11)    101
........Service Personnel Initial Settings Table 2.9.2.3 (3/11)    102
........Service Personnel Initial Settings Table 2.9.2.3 (4/11)    103
........Service Personnel Initial Settings Table 2.9.2.3 (5/11)    104
........Service Personnel Initial Settings Table 2.9.2.3 (6/11)    105
........Service Personnel Initial Settings Table 2.9.2.3 (7/11)    106
........Service Personnel Initial Settings Table 2.9.2.3 (8/11)    107
........Service Personnel Initial Settings Table 2.9.2.3 (9/11)    108
........Service Personnel Initial Settings Table 2.9.2.3 (10/11)   109
........Service Personnel Initial Settings Table 2.9.2.3 (11/11)   110
........2.9.2.4 TEL/FAX Automatic Switching                        111
........2.9.2.5 TAD mode                                           112
........2.9.2.6 Outline of Parallel Pickup                         113
....2.9.3 User's Functions                                         114
....2.9.4 Location Program                                         115
........2.9.4.1 Select Menu is shown as below:                     116
........2.9.4.1 Location Program (1/2)                             117
........2.9.4.1 Location Program (2/2)                             118
....2.9.5 Setup                                                    119
........2.9.5.1 Clock Adjustment                                   120
........2.9.5.2 ID/Password Programming                            121
............2.9.5.2.1 TSI/CSI                                      122
............2.9.5.2.2 TSI/CSI Option                               122
............2.9.5.2.3 Sender ID                                    123
............2.9.5.2.4 ISDN Tid                                     123
............2.9.5.2.5 ISDN Sub No.                                 123
........2.9.5.3 Machine Settings:                                  124
............2.9.5.3.1 Auto Answer Mode                             125
............2.9.5.3.2 TX Mode Default                              126
........2.9.5.4 Dial Options & Table                               127
............2.9.5.4.1 Redial Tries                                 129
............2.9.5.4.2 Redial Interval                              130
............2.9.5.4.3 Dial Prefix                                  131
........2.9.5.5 Incoming Options                                   132
Table of Contents                                        Page
............2.9.5.5.1 CNG Count                          134
............2.9.5.5.2 Distinctive Ring                   136
........2.9.5.6 Report Options:                          135
............2.9.5.7.1 POP Interval                       139
............2.9.5.7.2 DOMAIN Name                        140
............2.9.5.7.3 Network Settings                   141
............2.9.5.7.3.1 IP Address                       139
............2.9.5.7.3.2 Subnet Mask                      139
............2.9.5.7.3.3 Default Gateway                  141
............2.9.5.7.3.4 SMTP Server Name                 141
............2.9.5.7.3.5 POP Server Name                  141
............2.9.5.7.3.6 POP User ID                      141
............2.9.5.7.3.7 POP Password                     141
............2.9.5.7.3.8 DNS P.SRV Addr.                  141
............2.9.5.7.3.9 DNS S.SRV Addr.                  141
............2.9.5.7.3.10 Host Name                       141
............2.9.5.7.3.11 Fax Email Addr.                 141
........2.9.5.7 LAN Options (1/2)                        137
........2.9.5.7 LAN Options (2/2)                        137
....2.9.6 User Default Setting 1                         142
....2.9.6 User Default Setting 2                         142
....2.9.7 Default Setting of Dial Parameters             143
....2.9.8 Technical Default Setting                      144
....2.9.9 Off-line tests                                 145
........2.9.9.1 Self Diagnosis Flow                      146
........Self Diagnosis Report                            147
........2.9.9.2 Self Diagnosis Report                    146
............2.9.9.2.1 Difference from OKIFAX 5700/5900   146
....2.9.10 On-line Tests                                 148
2.10 Installation of optional units                      151
....2.10.1 Optional units                                152
....2.10.2 Memory Board Installation Instruction         153
....2.10.3 Network Card Installation Instruction         154
....2.10.4 G4 Board Installation Instruction             155
....2.10.5 G3 Dual Line Installation Instruction         155
....2.10.6 Second Paper Cassette Unit                    155
    Table of Contents                                             Page
3 Brief Technical Description
    Electrophotographic Process Flow                               78
    3.1 Fundamentals of the Electro-Photographic Process          157
    3.2 Actual Electrophotographic Process                        158
    3.3 Board and Units                                           159
    3.4 Overall Dimension and Mechanical Structure                160
4 Disassembly
    4.0 General                                                   161
    ....4.1 Precautions for Parts Replacement                     162
    ....4.2 Tools                                                 163
    ....4.3 How to Disassemble and Reassemble                     164
    ........Whole Unit Picture                                    165
    ........4.3.1 Document Table Cover                            166
    ........4.3.2 Rear Cover and NCU Cover                        167
    ........4.3.3 Main Cover                                      168
    ........4.3.4 Operation Unit                                  169
    ........4.3.5 NCU Board                                       170
    ........4.3.6 MODEM Board                                     171
    ........4.3.7 Plate Package                                   172
    ........4.3.8 Scanner Unit (CIS)                              173
    ........4.3.9 Stacker Frame                                   174
    ........4.3.10 Printer Unit                                   175
    ........4.3.11 Fan and Fan Guard                              176
    ........4.3.12 Main Board                                     177
    ........4.3.13 Contact Assembly and High-/Low Voltage Power   178
    Supply Boards
    ........4.3.14 Disassembling the Operation Unit               179
    ............4.3.14.1 Disassembling the Operation Unit         180
    ........4.3.15 Disassembling the Scanner Unit (L)             181
    ........4.3.16 Scanner (CIS)                                  182
    ........4.3.17 PC1/PC2 Sensors                                183
    ........4.3.18 Speaker                                        184
    ........4.3.19 Scanner Motor                                  185
    ........4.3.20 Disassembling the Printer Unit                 186
    ........4.3.21 LED Head                                       187
    ........4.3.22 Toner Lockout Board                            188
    Table of Contents                                             Page
    ........4.3.23 Stacker Cover                                  189
    ........4.3.24 Fusing Unit                                    190
    ........4.3.25 Manual Feed Assembly                           191
    ........4.3.26 Back-up Roller, Transfer Roller                192
    ........4.3.27 Resist Roller, Hopping Roller, Sensor Plates   193
    ........4.3.28 Eject Guide Assembly                           194
5 Adjustments
    5.1 Setting of LED Print Head Drive Time                      195
    ....Settings of Technical Function No. 26 (Table 5.1.1)       196
    ....5.2.1 Confirmation Items                                  197
    ....5.2.2 Measurement                                         198
6 Cleaning and Maintenance
    6.1 Replacement of Consumables                                199
    6.2 Routine Inspection                                        200
    6.3 Printer Counter Display/Clear (User)                      201
    6.4 Printer Counter Display/Clear (Service)                   202
    6.5 Self-Diagnosis Test                                       203
    6.6 Sensor Calibration Test                                   204
    6.7 LED Test                                                  205
    6.8 Tone Send Test                                            206
    6.9 High-Speed Modem Send Test                                207
    6.10 High-Speed Modem Receive Test                            208
    6.11 MF Send Test                                             209
    6.12 Tone (TEL/FAX)                                           210
    6.13 ISDN Sending Test                                        211
    6.14 Tone Send Test G3                                        211
    6.15 Moden Send Test G3                                       211
    6.16 MF (Tone) Test G3                                        211
    6.17 Protocol Data Dump Printing                              211
    6.18 System Reset                                             212
    6.19 Service Codes                                            213
    ....Service Code list [Table 6.15.1] (1/2)                    214
    ....Service Code list [Table 6.15.1] (2/2)                    215
    ....G4 Service Code Lists                                     216
    ....6.19.3 Internet-Fax Service Code List                     216
7 Troubleshooting
Table of Contents                                                    Page
7.1 Overview                                                         218
....7.1 Overall Troubleshooting Flow Chart                           219
....7.2 No LCD Operation                                             220
....7.3 ALARM LED On                                                 221
....7.4 Printing Test Failure                                        222
....7.5 No Local Copy                                                223
....7.6 Auto Dial Failure                                            224
....7.7 Transmission Problem                                         225
....7.8 Auto Reception Failure                                       226
....7.9 Reception Problem                                            227
....7.10 Sensor Calibration Test                                     228
....7.11 LED Test                                                    229
....7.12 Tone Send Test                                              230
....7.13 High-Speed Modem Test                                       231
....7.14 MF Send Test                                                232
....7.15 Tone (TEL/FAX) Send Test                                    233
....7.16 No Acoustic Line Monitor                                    234
....7.17 Power Supply Unit                                           235
....7.18 No Document Feeding                                         236
....7.19 Multiple Document Feeding                                   237
....7.20 Document Skew                                               238
....7.21 Document Jam                                                239
....7.22 Printer Unit                                                240
........7.22.1 Precautions                                           241
........7.22.2 Troubleshooting Flow Charts of Printer Unit           242
........Table 7.22.2 Alarm Display                                   243
............Troubleshooting flow chart 1: Top Cover is Open          244
............Troubleshooting flow chart 2: Replace Image Drum         245
Message
............Troubleshooting flow chart 3: Engine Controller Error    246
............Troubleshooting flow chart 4: Fuser Unit Thermal Error   247
............Troubleshooting flow chart 5: Paper Jams                 248
............Troubleshooting flow chart 6: No Paper Tray or No        249
Paper
............Action Items (Printer Unit-LCD Message) Table 7.22.3     250
............Sample Image Problems (Figure 7.22.1)                    251
    Table of Contents                                                      Page
    ............Troubleshooting flow chart 7: Light or Blurred Output      252
    ............Troubleshooting flow chart 8: Smeared Background on        253
    Output
    ............Troubleshooting flow chart 9: Blank Output                 254
    ............Troubleshooting flow chart 10: Vertical Black Stripes on   255
    Output
    ............Troubleshooting flow chart 11: Evenly Spaced Marks on      256
    Output
    ............Troubleshooting flow chart 12: Missing Print on Output     257
    ............Troubleshooting flow chart 13: Vertical White Stripes on   258
    Output
    ............Troubleshooting flow chart 14: Poor Fusing                 259
    ........7.23 G3 Dual Line Troubleshooting Flow Chart                   259
    ........7.24 Auto Dial Failure (G3 Dual Line)                          259
    ........7.25 Transmission Problem (G3 Dual Line)                       259
    ........7.26 Auto Reception Failure (G3 Dual Line)                     259
    ........7.27 Reception Problem (G3 Dual Line)                          259
    ........7.28 High-speed Modem Test (G3 Dual Line)                      259
    ........7.29 MF Send Test (G3 Dual Line)                               259
    ........7.30 No Acoustic Line Monitor (G3 Dual Line)                   259
8 Dipswitch Setting Tables
    Portuguese                                                             260
A Board Descriptions
    Preface                                                                261
    Service Caution                                                        262
    A1.1 Unit Configuration and Block Diagram                              263
    ....Block Diagram                                                      264
    A2.1 Signal Flow Explanation                                           265
    ....1. Copy                                                            266
    ....2. G3 TX (MH/MR/MMR)                                               267
    ....2-1. G3 TX (JBIG): OKIFAX 5950 only                                268
    ....3. G3 RX (MH/MR/MMR)                                               269
    ....3-1. G3 RX (JBIG): OKIFAX 5950 only                                270
    ....4. PC Print (Option)                                               271
    ....5. PC Scanner (Option)                                             272
    ....6. PC-FAX TX (Option)                                              273
Table of Contents                              Page
....7. PC-FAX RX (Option)                      274
....8. ISDN PC-FAX G3 TX (Option)              275
....9. ISDN PC-FAX G3 RX (Option)              276
....10. ISDN G3 TX (Option)                    277
....11. ISDN G3 RX (Option)                    278
....12. G4 TX (Option)                         279
....13. G4 RX (Option)                         280
....14. LAN Print (Option)                     281
....15. Internet Fax Tx (Option)               281
....16. G3 Dual Ine Tx (MH/MR/MMR) (Option)    281
....17. G3 Dual Line Rx (MH/MR/MMR) (Option)   281
A2.2 Explanation of Signal Flowchart           281
A3.1 MCNT                                      281
....A3.1.1 CPU
....A3.1.2 IOGA5
....A3.1.3 Scanner Control
....A3.1.4 JBIG Control
....A3.1.5 Scanner Motor Control
....A3.1.6 CPU Peripheral Circuits
....A3.1.7 LED Head Control
....A3.1.8 Heater Control
....A3.1.9 Printer Motor Control
....A3.1.10 Toner Low Detection                282
....A3.1.11 Centronics Parallel Interface      283
....A3.1.12 Electrophotographic Process        284
....A3.1.13 Process Operation Descriptions     285
A3.2 OPE Control                               285
A3.3 MODEM C34 PC Board                        285
....IC201 Pin Assignment                       285
....IC202 Pin Assignment                       285
A3.4 UNC, WN5, FN5 and DN5 Circuit Diagram     285
A3.4 Description on the NCU Block Diagram      285
....A3.4.1 UNC circuit diagram                 285
....A3.4.2 WN5 circuit diagram                 285
....A3.4.3 FNS circuit diagram                 285
....A3.4.4 DN5 circuit diagram                 285
    Table of Contents                                      Page
     A3.5 Power Supply Board                               285
     A3.6 High-voltage Power Supply Circuit                285
     A3.7 G4A-PCB                                          285
     A3.8 G3A - PCB                                        285
B Print Operation Description
     B.1 Mechanical Components                             286
     B.2 Description of Print Operations                   287
     ....1) Hopping and feeding                            288
     ....2) Charging                                       289
     ....3) Exposure                                       290
     ....4) Developing                                     291
     ....5) Transfer                                       292
     ....6) Fusing                                         293
     ....7) Cleaning                                       294
     ....8) Cleaning of rollers                            295
     B.3 Errors                                            296
     ....B.3.1 Errors List                                 297
     ....B.3.2 Major Trouble Errors                        298
     ........B.3.2.1 Fuse Error                            299
     ........B.3.2.2 Fan Error                             300
     ........B.3.2.3 Paper Feed Monitoring                 301
     ........B.3.2.4 2'nd Tray Communication Error         302
     ........B.3.2.5 Cover Open                            303
     ....B.3.3 Recoverable errors                          304
     ........B.3.3.1 Toner Low Detection                   305
     B.4 Other Special Cases                               306
     ....B.4.1 Manual Paper Feed                           307
     ....B.4.2 Cleaning                                    308
     ....B.4.2 Diagram - Description of Print Operations   309
C Illustrated Parts List
     Illustrated Parts List                                310
     ....Section 1: Cabinet Assembly                       311
     ....Section 2: Control Panel Assy                     312
     ....Section 3: Printer Assembly                       313
     ....Section 4: Base Assembly                          314
     ....Section 5: Frame Assy Scanner - (L)               315
    Table of Contents                                                Page
   ....Section 6: Frame Assy - Scanner (U)                           316
   ....Section 7: Cables, Option Boards                              317
D Second Paper Feeder
   Preface                                                           318
   1. Outline                                                        319
   ....1.1 Functions                                                 320
   ....1.2 External View and Component Names                         321
   2. Mechanism Description                                          322
   ....2.1 General Mechanism                                         323
   ....2.2 Hopper Mechanism                                          324
   3. Parts Replacement                                              325
   ....3.1 Precautions Concerning Parts Replacement                  326
   ....3.2 Parts Layout                                              327
   ....3.3 Parts Replacement Methods                                 328
   ........3.3.1 Stepping motor (Hopping)                            329
   ........3.3.2 TQSB2 PCB                                           330
   ........3.3.3 Hopping Roller Shaft Assy and One-way Clutch Gear   331
   4. Troubleshooting                                                332
   ....4.1 Precautions Prior to the Troubleshooting                  333
   ....4.2 Preparations for the Troubleshooting                      334
   ....4.3 Troubleshooting Method                                    335
   ........4.3.1 LCD Status Message List                             336
   5. Connection Diagram                                             337
   ....5.1 Interconnection Diagram                                   338
   ....5.2 PCB Layout                                                339
   6 Parts List                                                      340
                                  Service Guide OKIFAX 5750/5950                                                      Page: 2
                                             Chapter 0 Introduction

Copyright

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 2000 by Okidata All rights reserved.

Written by Okidata Training and Publications

Contact

Please address any comments on this publication to:

Mailing Address Okidata
                             Training and Publications
                             2000 Bishops Gate Blvd.
                             Mount Laurel, NJ 08054-3499

Web Site                     www.okidata.com


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.

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 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
 (BPX) for any updates to this material. (http://bpx.okidata.com)
                              Service Guide OKIFAX 5750/5950                                             Page: 3
                                   Chapter 1 General Information

1.1 General Performance


       1              Type of appearance
                  l Desktop type
       2              Applicable lines
                  l   PSTN (Public switched telephone network)
                  l   PBX (Private branch exchange)
                  l   ISDN (Integrated service digital network)
                  l   FAX2NET Internet Fax (via PSTN)
                  l   E-mail Internet Fax (via LAN)
                      Note: ISDN and Internet Fax are options.
       3              Compatibility
                  l   ITU-T Group 3 facsimile transceiver
                  l   ITU-T Group 4 facsimile transceiver (option)
       4              Document width
                  l   Max. 216 mm (8.5 inches [North American Letter])
                  l   Min. 148 mm (5.83 inches [ISO A5 size])
       5              Effective reading width
                      (TX):
                  l   Max. 215.4 mm (NA Letter)
                  l   208.6 mm (ISO A4 size)
                      (RX):
                  l   208.6 mm (NA Letter)
                  l   208.6 mm (ISO A4 size)*1
                      * Printing width will be 206 mm
       6              Scanning length
                  l   128 mm to 356 mm (5.06 inches to 14 inches)
                      (Length setting: Long documents (1500 mm) are also available.)
       7              Automatic document feeder (ADF)
                  l   50 sheets (NA Letter/A4-size: 20-lb/75 gm Oki Data recommended paper)
                  l   30 sheets (North American Letter/A4-size: 16 to 28-1b bond/60-105 gm)
       8              Recording paper or sheet
                  l   1st cassette: North American Letter/NA Legal/A4-size plain paper cut 250 sheets capacity (20-lb/75 gm)
                  l   2nd cassette (option): North American Letter/NA Legal/A4-size plain paper cut 500 sheets capacity (20-lb/75 gm)
                  l   Manual paper feeder: Transparency for overhead projector, applicable. sheet size: NA Letter/NA Legal/A4-size
                      * : Oki Data Recommended paper
       9              Printable width
                  l   North American: 211.3 mm (203.2 mm for assured quality)
                  l   North American Legal: 211.3 mm (203.2 mm for assured quality)
     l ISO A4: 206.0 mm (197.3 mm for assured quality)
10       Printable length
     l NA Letter: 273.4 mm (10.76 inches) / 266.7 mm (10.49 inches) for assured quality
     l NA Legal: 349.6 mm (13.76 inches) / 342.9 mm (13.49 inches) for assured quality
     l ISO A4: 291.0 mm (11.46 inches) / 284.3 mm (11.19 inches) for assured quality
11       Copy stacker
     l Face down stacking: Max. 200* sheets
     l Face up stacking: Max. 10* sheets
       *Note 1: Oki Data Recommended paper
       *Note 2: Face down or face up stacking is changeable by the lever.
12     Scanning resolution
       a) Horizontal
     l 300 dots per inch (Note: 600 dpi x 15.4 mm (600 x 600 dpi)*; copy is available) * In case 8 MB option memory is installed.
       b) Vertical
     l 300 dots per inch, 15.4, 7.7 and 3.85 lines per mm (Note: 300 dpi x 300 dpi; Transmission is available.
13     Scanning method
     l 2592 bits contact image sensor
14     Recording resolution)
       a) Horizontal: 600 dots/inch
       b) Vertical:
         Variable:

     l   STD mode (A4: 3.85 to 5.06 line/mm) (Letter: 3.85 to 5.28)
     l   FINE mode (A4: 7.7 to 9.3 line/mm) (Letter: 7.7 to 10.57)
     l   EX-FINE mode : (A4: 15.4 line/mm) (A4 15.4 to 19.87 line/mm) (Letter: 15.4 to 21.15)
     l   EX-FINE (300 dot/inch): (A4: 300 to 387 mm/line) (Letter: 300 to 412)

         Fixed:
     l
     l   EX-FINE mode : 300 dot/inch, 15.4 line/mm
     l   FINE mode: 7.7 line/mm
     l   STD mode: 3.85 line/mm
     l   PC-Print: 600 dot/inch, 300 dot/inch

15       Printing method
         Electrophotographic printing
     l   211.3 mm (2496 bits) LED printhead
16       Minimum scan line time for reception
     l   When receiving from OKIFAX or ECM: 0 ms
     l   When receiving from non- OKIFAX and non ECM: 10 ms at 3.85 line/mm; 5 ms at 7.7 line/mm, 15.4 line/mm
17       Print speed
     l   Max. 10 sheets per minute (at NA letter size)
18       Coding scheme
     l   Modified Huffman (MH)
     l Modified READ (MR)
     l Modified Modified READ (MMR)
     l JBIG (only for OKIFAX 5950)
19       Modem (Rev. 2)
     l   ITU-T Rec. V.29: 9600 bps for use on point-to-point 4-wire leased telephone type circuits.
     l   ITU-T Rec. V.27 ter: 4800 bps modem for use in GSTN (General Switched Telephone Network)
     l   ITU-T Rec. V.21 channel 2: 300 bps duplex modem for GSTN
     l   ITU-T Rec. V.17: 2-wire modem for fax applications up to 14.4 kbps
     l   ITU-T Rec. V.34
20       Transmission speed
     l   2.5 sec. per sheet of ITU-T No. 1 evaluation test chart (for OKIFAX 5950)
     l   3.0 sec. per sheet of ITU-T No. 1 evaluation test chart (for OKIFAX 5750)
         Note: This is Phase C time at 3.85 line/mm.
21       Protocol
     l   ITU-T Rec. T.30
     l   ITU-T Rec. G4 Class 1 (option)
     l   OKI special protocols: High-speed protocol (G3)
22       Error correction mode (ECM)
     l   ITU-T ECM
23       Image memory
     l   Basic mode: 2.5 M-byte (OKIFAX 5750) & 4.5 M-byte (OKIFAX 5950)
     l   Optional memory: 2.0/4.0/8.0 M-byte
24       Liquid crystal display (LCD)
     l   Four lines of 20 characters for operation guidance, check and various kinds of information
25       Power source
     l   Nominal input voltage 120 VAC for ODA version
     l   Nominal input voltage 230 VAC for INT'L version
26       MFP (Multi- Function Peripheral) function
     l   PC Printer Function
     l   PC Scanner Function
     l   PC Fax Modem Function
         Note: For details, see "Product Specification for MFP". Hardware is standard and software is Bi-Centro interface.
27       ISDN function (option)
     l   G4 function
     l   ISDN G4: Communication
     l   ISDN G3: Communication
     l   ISDN: Report and List
         Dual Mode Communication (option) Note: For details, see Product Specification for ISDN G4 Board *including Dual Mode
         Communication)
28       Network print kit (option)
     l   Netware 3.1x, 4.1x
     l   TCP/IP
     l   Windows NT/95/98/3.1
     l   T600 dpi, 10 ppm
                          Note: For details, see "Product Specification for Network Print Kit"

       29                 Internet FAX Kit: E-mail type (option)
                      l   I-Fax Sending
                      l   I-Fax Receiving
                      l   Gateway Service 1
                      l   Gateway Service 2
                      l   I-Fax Service
                          Note: For details, see Product Specification for Internet FAX Kit.
       30                 FAX2NET: Provider type (option)
                          Fax over IP
                          Fax to E-mail
                          Virtual E-mail
                          Web Retrieval
                          Note: For details, see Product Specification for FAX2NET Specification".
       31                 G3 Dual Line Function (option)
                          Note: For details, see Product Specification for G3 Dual Line Function".
       32                 600 dpi Communication (option)
                          Note: For details, see Product Specification for FAX2NET Specification".
       33                 Relay Broadcast
                          Note: For details, see Product Specification for FAX2NET Specification".

NA = North America

 Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
 (BPX) for any updates to this material. (http://bpx.okidata.com)
                              Service Guide OKIFAX 5750/5950                     Page: 4
                                    Chapter 1 General Information

1.2 General User's Function

1) Transmission
       1               Transmit mode
                   l Automatic transmit mode
                   l Manual transmit mode
      2                Instant Dialing
      3                Delayed feeder transmission
      4                Memory transmission
                   l   40 sessions
      5                Delayed memory transmission (within 3 days)
                   l   20 specified times for OKIFAX 5750
                   l   30 specified times for OKIFAX 5950
      6                Sequential broadcast (Memory)
                   l   150 stations for OKIFAX 5750
                   l   240 stations for OKIFAX 5950
      7                Delayed broadcast
                   l   20 specified times for OKIFAX 5750
                   l   30 specified times for OKIFAX 5950
      8                Confidential message transmission
                   l   Feeder Confidential TX
                   l   Memory Confidential TX
      9                Relay broadcast initiate
                   l   Feeder Relay broadcast initiate
                   l   Memory Relay broadcast initiate
     10                Polling transmission
                   l   Feeder Polling TX
                   l   Memory Polling TX
     11                Bulletin Poll transmission (When Box number is opened).
                   l   16 boxes
     12                Batch transmission
     13                Priority transmission
     14                Transmission preparation (Feeder)

2) Reception
       1               Receive mode
                   l   Automatic receive mode
                   l   Manual receive mode
                   l   TEL/FAX receive mode
                   l   TAD mode
                 l Memory receive mode
                 l PC receive mode
                 l Forwarding mode
      2            Memory only reception
      3            No toner/No paper reception (memory)
      4            Confidential message reception
                 l 16 mail boxes
      5            Fax forwarding for incoming calls
      6            Fax forwarding for no toner/no paper reception
      7            Polling reception

3) Convenience
      1              Dual access
      2              Automatic redial
      3              Last number redial (Manual redial)
      4              Local copy of a document, including multiple copies
                 l   99 copies max.
      5              Sender identification (Sender ID)
      6              Personal identification (Personal ID)
      7              TSI/CSI: Local telephone number
      8              Acoustic monitor (only TX mode)
                 l   5 level selectable
      9              Automatic alternate selecting call
                     (FAX No. + FAX No. can be registered in one-touch keys).
                 l   OKIFAX 5750: Speed Dial (1 to 40) are assigned to one-touch keys.
                 l   OKIFAX 5950: Speed Dial (1 to 80) are assigned to one-touch keys.

     10              Half-tone transmission (at FINE resolution)
                 l 64 scale gradations
     11              Page re-transmission (Only when memory TX mode)
     12              Distinguishing text from pictures
     13              Vertical reduction printing (Reduction rate is from 100% to xx%).
                     Note: xx is Letter 72.8%, A4 77.5%
     14              Smoothing printing
                     In case of 8 dot/mm x 3.85 lines/mm --> 300 dot/inch x 784 lines/inch
     15              Auto dialing
                 l   Speed dialing:
                     OKIFAX 5750: 1 to 140 (1 to 40 are assigned to one-touch keys)
                     OKIFAX 5950: 1 to 230 (1 to 80 are assigned to one-touch keys)
                 l   Group dialing: 20 groups
                 l   Keypad dialing
                 l   Chain dialing
                 l   Mixed dialing
     16
                      Real-time dialing
                      Dialing with off hook condition or when the HOOK key is pressed.
     17               Automatic pause signal insertion
     18               Local copy
     19               Telephone directory (Alpha/Location) dialing
     20               TEL/FAX automatic switching
     21               TAD mode (for external telephone answering device)
     22               Session number
     23               Time and date printing
     24               Closed user group (Direct mail rejection)
     24               Contrast and resolution control
     25               Key touch tone
     26               Printer counter display (For drum, toner, print, and scan)
     27               Quick scanning
     28               Time and date setting
     29               Language selection
                    l 2 languages (LCD and Report)
     30               Distinctive ring detect
     31               Restricted access
     32               Beep sound

4) Reports

     1       Function list
     2       Configuration
     3       Phone directory
     4       Group directory
     5       Activity report
     6       Active memory files
     7       Broadcast MCF (Message Confirmation)
     8       Protocol dump (G3 and G4)
     9       NIC configuration
    10       Log. report (Service bit = ON)
    11       G4 Log. report (Service bit = ON)
    12       Self diagnosis report (Service bit = ON)

5) Report options

     1         MCF. (Single-Loc.)
     2         MCF. (Multi-Loc.)
     3         Image in MCF.
     4         Error report (MCF).
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
                                      Service Guide OKIFAX 5750/5950                            Page: 5
                                           Chapter 1 General Information

1.3 General Maintenance Functions

1) Local tests
            1                     Self-diagnosis
                                  Main board
                            l     CPU ROM/RAM check
                            l     Flash memory check (Program, Language, and Default)
                            l     Modem
                            l     RAM check
                            l     Toner cartridge
                            l     Option memory check
                                  DEVICE ID
                            l LAN Board check (option)
                                  ISDN board (option)
                            l CPU ROM/RAM check
             2                    Sensor calibration (Adjustment of scanning level)
             3                    LED test
             4                    Tone send test (When NCU board is installed)
             5                    High-speed modem send test (When NCU board is installed)
             6                    High-speed modem receive test (When NCU board is installed)
             7                    MF tone test (When NCU board is installed)
             8                    Tone (TEL/FAX) test (When NCU board is installed)
             9                    Loop back 1 (When ISDN option board is installed)
            10                    Loop back 2 (When ISDN option board is installed)
            11                    INFO0 sending (When ISDN option board is installed)
            12                    INFO1 sending (When ISDN option board is installed)
            13                    INFO2 sending (When ISDN option board is installed)
            14                    INFO3 sending (When ISDN option board is installed)
            15                    Pulse (1kHz) send (When ISDN option board is installed)
            16                    Pulse (2kHz) send (When ISDN option board is installed)
            17                    Pulse (N2kHz) send (When ISDN option board is installed)
            18                    Tone send test G3
            19                    Modem send test G3
            20                    MF (tone) test G3

2) Technical setup

3) System reset
        l        All data clear
        l     Location data clear
        l     Configuration data clear

4) Default type set

5) PC loading

6) G4 PC loading

7) G3 PC loading

 Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
 (BPX) for any updates to this material. (http://bpx.okidata.com)
                                  Service Guide OKIFAX 5750/5950                                                      Page: 6
                                        Chapter 1 General Information

1.4 General Appearance

Figure 1.4.1 shows the general appearance of the OKIFAX 5750/5950.

Figure 1.4.2 Control Panel for OKIFAX 5750/5950.




 Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
 (BPX) for any updates to this material. (http://bpx.okidata.com)
                              Service Guide OKIFAX 5750/5950         Page: 7
                                   Chapter 1 General Information

1.4.1 General Appearance of OKIFAX 5750/5950

Figure 1.4.1 shows the general appearance of the OKIFAX 5750/5950.




Figure 1.4.1 General Appearance of OKIFAX 5750/5950.
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
                                  Service Guide OKIFAX 5750/5950                                                      Page: 9
                                        Chapter 1 General Information

1.4.2 Control Panel




 Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
 (BPX) for any updates to this material. (http://bpx.okidata.com)
                                  Service Guide OKIFAX 5750/5950                                                     Page: 10
                                        Chapter 1 General Information

1.5 Basic Performance Specifications

Table 1.5.1 (1/8) Basic Performance Specifications

Table 1.5.1 (2/8) Basic Performance Specifications

Table 1.5.1 (3/8) Basic Performance Specifications

Table 1.5.1 (4/8) Basic Performance Specifications

Table 1.5.1 (5/8) Basic Performance Specifications

Table 1.5.1 (6/8) Basic Performance Specifications

Table 1.5.1 (7/8) Basic Performance Specifications

Table 1.5.1 (8/8) Basic Performance Specifications




 Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
 (BPX) for any updates to this material. (http://bpx.okidata.com)
                               Service Guide OKIFAX 5750/5950                                             Page: 11
                                    Chapter 1 General Information

Table 1.5.1 (1/8) Basic Performance Specifications


No.      Item                              Specifications
1        Applicable line                   1) PSTN (Public switched telephone network)
                                           2) PBX (Private branch exchange)
                                           3) ISDN (Integrated services digital network): Option
                                           4) LAN (Local area network): Option
                                           5) E-mail Internt Fax (via LAN): Option

2        Line interface
         1) Impedance                      600 ohm balanced
                                           Note: Impedance may differ by the requirement of PTT.

         2) Sending power level            0 dBm to -15 dBm range
                                           (Adjustable in 1 dB steps. Technical Setup No. 21)

         3) Receiving power level          0 dBm to -40 dBm
                                           (In case of V.34 TX/RX, -3 to -43 dBm

3        Type of document to be
         transmitted
         1) Width                          Max. 216 mm (NA Letter)
                                           Min: 148 mm (ISO A5 size)
                                           Note: Effective reading width is NA Letter (215 mm)

         2) Length                         Min. 128 mm
                                           Max. 356 mm (14 inches)

                                           Long document detection: 380 mm, or 150 mm
                                           * Technical Setup No. 10 (To enable or disable the long
                                           document scanning)

         3) Thickness                      Based on common bond paper
                                           a) 0.08 to 0.13 mm for multiple page feeding
                                           b) 0.06 to 0.15 mm for single page feeding

         4) Shape                          Rectangular

         5) Opacity                        Documents allowing less than 40% of the scanner source light
                                               to pass through them.




Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
                                Service Guide OKIFAX 5750/5950                                              Page: 12
                                     Chapter 1 General Information

Table 1.5.1 (2/8) Basic Performance Specifications


No.       Item                              Specifications
4         Effective reading width


    Document width        Communication                Effective reading width          Copy size
                          Mode/Paper width
    ISO A4 (210 mm)                 G3/A4              208.6 mm for TX                        A4
    [INTL]                                             208.6 mm for local copy

    NA letter (216 mm)              G3/A4              215.4 mm for TX                      Letter
    [US/CANADA]                                        208.6 mm for local copy

Note (*1): Printing width will be 206 mm.

No.       Item                              Specifications
5         Automatic document                Max. 50 documents: 20 lb./75gm NA Letter or A4 size paper.
          feeder (ADF)
                                            Max. 30 documents: 16 to 28/60 to 105gm; NA or A4 size
                                            paper

                                            Documents shall be placed face down on ADF stacker.

6         Document skew                     Max. 1.0 mm skew over any advance of 100 mm.
                                            The occurrence of skew exceeding 1 mm per 100 shall be 0.5%
                                            or less.

7         Document jam detection            1) Transmission will stop and line disconnection will occur when
                                            the end of a document is not detected within 380 mm after
                                            scanning begins (except for the long document scanning.
                                            Technical Setup No. 10)

                                            2) A jam will also be declared if the document does not reach
                                            the scanning position within 5 seconds after the start of a
                                            document feed.

                                            Note: When a jam is detected during message transmission
                                            from the feeder, the machine will stop scanning and disconnect
                                               the line, but its receiving capability will remain valid.

8        Document jam removal                  Manual release




Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
                               Service Guide OKIFAX 5750/5950                                                 Page: 13
                                    Chapter 1 General Information

Table 1.5.1 (3/8) Basic Performance Specifications


No.      Item                              Specifications
9        Document stacking                 Documents up to 297 mm in length, which meet the basic
                                           weight and thickness specification, will exit on the stacker,
                                           and documents of Letter or A4-size will stack in sequence.

                                           The first sheet will be fed first in the feeder and will exit on
                                           the stacker with printing side down.

10       Recording paper or sheet          For the first or second recording paper cassette:

                                           1) Type: Plain paper cut (Bond paper: Xerox 4200 type or
                                           equivalent)

                                           2) Size: ISO A4 210 mm x 297 mm
                                           NA Letter 215.9 mm x 279.4 mm / 8.5 inch x 11 inch
                                           NA Legal 14: 215.9 mm x 355.6 mm / 8.5 inch x 13 inch

                                           3) Weight: 16 lbs to 24 lbs/60 to 105 gm base weight
                                           Base weight is defined as the weight of 500 sheets
                                           of 431.8 mm (17 inch) by 558.8 mm (22 inch) or 1 sheet size
                                           1000 mm by 1000 mm.

                                           4) Thickness: 0.08 mm to 0.13 mm

                                           5) Condition: New paper

                                           For the manual loading feeder

                                           1) Type: Plain paper, colored paper, printed paper, envelope

                                           2) Size: LA Letter/A4/NA Legal/Executive/A5/A6/etc.

                                           3) Weight, thickness and condition: Same as above

                                           Note: One single sheet should be loaded on the manual paper
                                           feeder for one occasion.

                                           For best results use Oki Data recommended papers

                                           1) Xerox 4200 (20 - lb/75 gm base weight paper)
11       Recording paper cassette              Up to 250 sheets/cassette
         first cassette                        (Oki Data recommended paper)

         second cassette                       Up to 500 sheets/cassette
                                               (Oki Data recommended paper)




Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
                                   Service Guide OKIFAX 5750/5950                                 Page: 14
                                           Chapter 1 General Information

Table 1.5.1 (4/8) Basic Performance Specifications


No.        Item                                  Specifications
12         Effective recording area




1) Printable area
                            Letter Size                    A4 Size           14 inch Legal Size      13 inch Legal Size
                    inch              mm            inch             mm    inch            mm      inch            mm
      PL              11           279.4            11.7             297     14          355.6       13          330.2
      PW              8.5           216             8.27             210     8.5          216        8.5          216
      EL            10.76          273.4           11.46             291   13.76         349.6     12.76         324.2
      EW             8.32          211.3            8.11             206    8.32         211.3      8.32         211.3
       T              .12            3              0.12              3     0.12           3        0.12           3
       B              .12            3              0.12              3     0.12           3        0.12           3
       L              .09           .08             0.08              2     0.09          2.3       0.09          2.3
      R             .09             .08             0.08               2              0.09             2.3             0.09            2.3

1) Guaranteed printing area

                           Letter Size                      A4 Size                     14 inch Legal Size               13 inch Legal Size
                    inch             mm             inch              mm              inch            mm               inch            mm
     PL              11            279.4            11.7               297             14             355.6             13           330.2
     PW              8.5            216             8.27               210             8.5             216              8.5           216
     EL             10.5           266.7            11.2              284.3           13.5            342.9            12.5          317.5
     EW              8.0           203.2            7.77              197.3            8.0            203.2             8.0          203.2
      T             0.25            6.35            0.25               6.35           0.25             6.35            0.25           6.35
      B             0.25            6.35            0.25               6.35           0.25             6.35            0.25           6.35
      L             0.25            6.35            0.25               6.35           0.25             6.35            0.25           6.35
      R             0.25            6.35            0.25               6.35           0.25             6.35            0.25           6.35

Note: The printable area means the area allowing actual printing at the time of receiving The guaranteed printing area means the area where the printing is
guaranteed.

These tables do not include vertical and horizontal addressing error (+/- 3 mm) of recording paper.

 Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
 (BPX) for any updates to this material. (http://bpx.okidata.com)
                                 Service Guide OKIFAX 5750/5950                                            Page: 15
                                    Chapter 1 General Information

Table 1.5.1 (5/8) Basic Performance Specifications


No.        Item                            Specifications
13         Copy stacking                   The printed copies will be discharged on the stacker with
                                           printed face up or face down.

                                           1) Face down stacking: Up to 200 copies

                                           2) Face up stacking: Up to 10 copies

                                           Note:
                                           1) Using the recommended paper, New standard 20-lb. (Xerox
                                           4200)
                                           2) Except 16 lb. papers.
                                           3) Face down or face up stacking is changeable by the lever.

14         Scanning resolution             Horizontal
                                        l 600 dot/inch, (interpolated) and 300 dot/inch Note, 600 dpi x
                                          15.4 mm (600 dpi x 600 dpi); Copy is available.
                                          Vertical
                                          Transmission mode:
                                        l 3600 dot/inch, 15.4 lines/mm (EX-FINE), 7.7 lines/mm (FINE)
                                          or 3.85 lines/mm (STD)

15         Image scanning method           NA Letter size (2592-bit) direct contact image sensor

16         Contrast control                The Light and Dark contrasts (low contrast) will be
                                           automatically enhanced to improve image quality. Slice level
                                           shifting has 3 levels of switch selection on operation panel.

17         Recording solution              Horizontal:
                                        l 600 dot/inch
                                           Vertical:
                                        l 300 dot/inch (EX-FINE), 15.4 line/mm (EX-FINE), 7.7 line/mm
                                           (FINE), or 3.85 line/mm (STD)


Variable
                                                         A4                                Letter
     STD                                             3.85 ~ 4.96                        3.85 ~ 5.28
     Fine                                               7.7 ~ 9.93                               7.7 ~ 10.57
     Ex-Fine (15.4 line/mm)                            15.4 ~ 19.87      



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