Ricoh M001 Service Manual page 15

TROUBLESHOOTING
4. TROUBLESHOOTING ................................................................. 4-1
4.1 SERVICE CALL CONDITIONS .................................................................. 4-1
4.1.1 SUMMARY........................................................................................ 4-1
4.1.2 SC CODE DESCRIPTIONS.............................................................. 4-2
4.2 ERROR MESSAGES ............................................................................... 4-19
4.3 GENERAL TROUBLESHOOTING ........................................................... 4-26
4.3.1 IMAGE ADJUSTMENT ................................................................... 4-26
Registration Adjustment ..................................................................... 4-26
Parallelogram Image Adjustment ....................................................... 4-26
4.3.2 ELECTRICAL DEFECTS ................................................................ 4-27
4.3.3 SKEW ADJUSTMENT .................................................................... 4-31
4.3.4 STREAKS IN THE SUB SCAN DIRECTION................................... 4-32
4.3.5 MISCELLANEOUS PROBLEMS..................................................... 4-33
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1 SERVICE PROGRAM MODE .................................................................... 5-1
5.1.1 SERVICE PROGRAM MODE: OVERVIEW...................................... 5-1
Entering the Service Mode ................................................................... 5-1
Setting a Service Program.................................................................... 5-2
Exiting Service Mode............................................................................ 5-2
5.2 PRINTER CONTROLLER SERVICE MODE ............................................. 5-3
5.2.1 BIT SWITCH PROGRAMMING ........................................................ 5-3
5.2.2 SERVICE MODE MENU ("1. SERVICE MENU").............................. 5-4
5.3 PRINTER ENGINE SERVICE MODE ........................................................ 5-8
5.3.1 SERVICE MODE TABLE .................................................................. 5-8
SP1-xxx: Feed...................................................................................... 5-8
SP2-xxx: Drum ................................................................................... 5-12
SP3-xxx: Process ............................................................................... 5-14
SP5-xxx: Mode ................................................................................... 5-16
SP7-xxx: Data Log ............................................................................. 5-59
SP8XXX: Data Log 2.......................................................................... 5-74
5.4 FIRMWARE UPDATE .............................................................................. 5-86
5.4.1 TYPE OF FIRMWARE .................................................................... 5-86
SM iii M001