Oki C7500n Maintenance Manual page 6
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Also See for C7500n:
- User manual (485 pages) ,
- Configuration manual (78 pages) ,
- Reference manual (44 pages)
Table of Contents
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5.5
Troubleshooting Procedure .......................................................................................... 108
5.5.1
LCD message list ........................................................................................... 109
5.5.2
Preparing for troubleshooting ......................................................................... 115
5.5.3
Troubleshooting for abnormal images ............................................................ 126
5.6
Fuse check ................................................................................................................... 141
5.7
Life Counter Tool ......................................................................................................... 141
6. CONNECTION DIAGRAM ............................................................................ 142
6.1
Resistance Checks ...................................................................................................... 142
6.2
Program/Font ROM Layouts ........................................................................................ 146
APPENDIX A INTERFACE SPECIFICATIONS ................................................. 154
1.
Parallel Interface Specifications ................................................................................... 154
1.1
Parallel Interface ............................................................................................. 154
1.2
Parallel Interface Connector and Cable .......................................................... 154
1.3
Parallel Interface Level ................................................................................... 154
1.4
Timing Charts ................................................................................................. 155
1.5
Parallel I/F Signals .......................................................................................... 156
2.
Universal Serial Bus (USB) Interface Specifications .................................................... 157
2.1
USB Interface ................................................................................................. 157
2.2
USB Interface Connector and Cable .............................................................. 157
2.3
USB Interface Signals .................................................................................... 157
APPENDIX B 2ND/3RD TRAY MAINTENANCE .............................................. 158
1.
Parts Replacement ...................................................................................................... 158
1.1
Cover Idle Roller Assy .................................................................................... 158
1.2
PCB ................................................................................................................ 159
1.3
Feeder Drive Assy .......................................................................................... 160
1.
C7100/7300/7350/9300/9500 Series (Error messages) .............................................. 161
2.
3.
4.
C7100/7300/7350/9300/9500 Series (Warning messages : Job Account) .................. 172
5.
C7100/7300/7350/9300/9500 Series (Other Warning) ................................................ 173
41955801TH Rev.8
Oki Data CONFIDENTIAL
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Table of Contents
Troubleshooting
