Media feeder removal..............................................................................................................................................422
Isolation unit removal ...............................................................................................................................................423
Aligner idler gears removal ....................................................................................................................................425
ADF and flatbed removals............................................................................................................................426
ADF removal...............................................................................................................................................................426
Facade removal .........................................................................................................................................................430
Speaker removal ........................................................................................................................................................431
ADF top cover removal.............................................................................................................................................431
ADF left hinge removal ............................................................................................................................................432
ADF right hinge removal .........................................................................................................................................433
Scanner front cover removal..................................................................................................................................434
Left flatbed cover removal......................................................................................................................................435
Flatbed removal.........................................................................................................................................................435
Scanner cable cover removal .................................................................................................................................441
Scanner tilt removal...................................................................................................................................................441
550-sheet tray removals............................................................................................................................... 444
550-sheet tray right cover removal......................................................................................................................444
Motor (550-sheet tray pass‑through) removal...................................................................................................445
550‑sheet tray paper feeder removal ................................................................................................................. 447
Sensor (550-sheet tray pass-through) removal.................................................................................................448
Sensor (550-sheet tray trailing edge) removal..................................................................................................449
Sensor (550-sheet tray paper size) removal......................................................................................................449
550-sheet tray controller board assembly removal..........................................................................................451
550-sheet tray interface cable removal..............................................................................................................452
550-sheet tray empty sensor actuator removal................................................................................................453
Sensor (550-sheet tray empty) removal..............................................................................................................454
Sensor (550-sheet tray index) removal ...............................................................................................................455
Component locations...............................................................................457
Printer configurations.....................................................................................................................................457
Controller board connectors........................................................................................................................458
LVPS controller board connectors..............................................................................................................473
Motor locations................................................................................................................................................475
Sensor locations..............................................................................................................................................476
Maintenance..............................................................................................479
Inspection guide..............................................................................................................................................479
Scheduled maintenance...............................................................................................................................480
Maintenance kits........................................................................................................................................................480
Identifying the type of fuser used in the printer.................................................................................................481
Cleaning the printer....................................................................................................................................... 482
Cleaning the printer..................................................................................................................................................482
7528
Table of contents
10