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550‑sheet tray paper feeder removal ....................................................................................................... 418
Sensor (550-sheet tray pass-through) removal ........................................................................................ 419
Sensor (550-sheet tray trailing edge) removal .................................................................................. 420
Sensor (550-sheet tray paper size) removal ..................................................................................... 420
550-sheet tray controller board assembly removal .......................................................................... 422
550-sheet tray interface cable removal ............................................................................................ 423
550-sheet tray empty sensor actuator removal ............................................................................... 424
Sensor (550-sheet tray empty) removal ............................................................................................ 425
Sensor (550-sheet tray index) removal ............................................................................................. 426
Component locations. ................................................................... 429
Printer configurations. .............................................................................................................. 429
Controller board connectors .................................................................................................... 430
LVPS controller board connectors ............................................................................................ 442
Motor locations. ............................................................................................................................. 444
Sensor locations. ...................................................................................................................... 445
Maintenance ................................................................................ 447
Inspection guide. ...................................................................................................................... 447
Scheduled maintenance ........................................................................................................... 448
Maintenance kits. ...................................................................................................................................... 448
Identifying the type of fuser used in the printer ...................................................................................... 450
Resetting the maintenance counter .................................................................................................. 450
Cleaning the printer. ....................................................................................................................... 451
Cleaning the printer .................................................................................................................................. 451
Cleaning the printhead lenses .................................................................................................................. 451
Cleaning the main tray duplex turnaround .............................................................................................. 452
Parts catalog. ................................................................................ 454
Legend ............................................................................................................................... 454
Assembly 1: Covers 1. .............................................................................................................................. 455
Assembly 2: Covers 2. ............................................................................................................... 457
Assembly 3: Control panel. ....................................................................................................... 459
Assembly 4: Fuser. .................................................................................................................... 461
Assembly 5: Transfer module. .................................................................................................. 463
Assembly 6: Paper feed ............................................................................................................ 465
Assembly 7: Paper path 1. .............................................................................................................. 467
Assembly 8: Paper path 2. ........................................................................................................ 469
Assembly 9: Duplex. ................................................................................................................. 471
Assembly 10: Electrical ............................................................................................................. 473
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