Judgment for type of color registration error..................................................................................424
Adjustment after replacing............................................................................................................................434
Image position adjustment........................................................................................................................434
Parts that require adjustment............................................................................................................434
Laser-related adjustment..................................................................................................................434
Scanner-related adjustment.............................................................................................................436
ADF image adjustment.....................................................................................................................439
5. Troubleshooting
Self-Diagnostic Mode...................................................................................................................................441
Service Call Codes....................................................................................................................................441
Service Call Conditions ...................................................................................................................441
SC logging.................................................................................................................................................442
SC automatic reboot.................................................................................................................................442
Controller self-diagnosis outline......................................................................................................445
Controller self-diagnosis flowchart..................................................................................................446
Service Call 101-195...................................................................................................................................450
SC100 (Engine: Scanning).......................................................................................................................450
Service Call 201-285...................................................................................................................................457
SC200 (Engine: Image Writing)..............................................................................................................457
Service Call 324-396...................................................................................................................................463
SC300 (Engine: Charge, Development).................................................................................................463
Service Call 441-498...................................................................................................................................468
SC400 (Engine: Around the Drum).........................................................................................................468
Service Call 501-584...................................................................................................................................474
SC500 (Engine: Paper transport 1: Paper Feed, Duplex, Transport)...................................................474
Service Call 620-689...................................................................................................................................520
SC600 (Engine: Communication and Others)........................................................................................520
SC600 (Controller)...................................................................................................................................528
Service Call 700-792...................................................................................................................................539
SC700 (Engine: Peripherals)....................................................................................................................539
Service Call 816-899...................................................................................................................................551
SC800 (Controller)...................................................................................................................................551
Service Call 900-998...................................................................................................................................612
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