Streaks in the Sub Scan Direction...............................................................................................................78
Miscellaneous Problems..............................................................................................................................79
5. Service Tables
Service Program Mode ..................................................................................................................................81
Service Program Mode: Overview.............................................................................................................81
Printer Controller Service Mode ....................................................................................................................83
Bit Switch Programming...............................................................................................................................83
Service Mode Menu ("1. Service Menu").................................................................................................83
Printer Engine Service Mode...........................................................................................................................87
Service Mode Table....................................................................................................................................87
Firmware Update...........................................................................................................................................145
Type Of Firmware.....................................................................................................................................145
Precautions.................................................................................................................................................145
Machine Firmware Update......................................................................................................................146
NVRAM Data Upload/Download..............................................................................................................148
Uploading NVRAM Data.........................................................................................................................148
Downloading NVRAM Data....................................................................................................................149
SD Card Application Move..........................................................................................................................151
Overview....................................................................................................................................................151
Move Exec.................................................................................................................................................151
Undo Exec..................................................................................................................................................152
Controller Self Test at Power-On..................................................................................................................154
Menu Mode ..................................................................................................................................................155
Controller Board DIP Switches ....................................................................................................................160
Card Save Function.......................................................................................................................................161
Overview....................................................................................................................................................161
Procedure...................................................................................................................................................161
Error Messages..........................................................................................................................................163
6. Details
Overview........................................................................................................................................................165
Mechanical Component Layout ..............................................................................................................165
Paper Path .................................................................................................................................................166
Board Structure..............................................................................................................................................167
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