Paper-feeder motors .......................................................................................................... 60
Paper-feeder paper pickup and feed ................................................................................. 61
Paper-feeder cassette lift operation ................................................................................... 61
Paper-feeder jam detection ............................................................................................... 62
2 Removal and replacement
Introduction ......................................................................................................................................... 64
Removal and replacement strategy ................................................................................................... 65
Electrostatic discharge ....................................................................................................................... 66
Required tools ................................................................................................................................... 67
Service approach ............................................................................................................................... 68
Before performing service .................................................................................................. 68
After performing service ..................................................................................................... 68
Post-service test ................................................................................................................ 68
Print-quality test ................................................................................................ 68
Removal and replacement procedures .............................................................................................. 69
Customer self repair (CSR) components ........................................................................... 69
Print cartridges .................................................................................................. 69
Toner-collection unit .......................................................................................... 72
Memory DIMM ................................................................................................... 74
Product memory ............................................................................... 74
Install memory and font DIMMs ........................................................ 74
Enable memory ................................................................................ 78
Check DIMM installation ................................................................... 78
Fuser ................................................................................................................ 79
Pickup roller (Tray 1) ......................................................................................... 80
Separation pad (Tray 1) .................................................................................... 81
Separation roller assembly (Tray 2) .................................................................. 82
Pickup roller (Tray 2) ......................................................................................... 84
Pickup roller, separation roller, and feed roller (Tray 3) .................................... 85
Secondary transfer roller ................................................................................... 86
Intermediate transfer belt (ITB) ......................................................................... 87
External panels, covers, and doors ................................................................................... 89
Identification and location .................................................................................. 89
Right-front cover and control-panel assembly ................................................... 90
Left cover .......................................................................................................... 92
Rear cover ......................................................................................................... 93
Remove the rear cover ..................................................................... 93
Toner collection unit access door ...................................................................... 93
Right-rear cover ................................................................................................ 95
Top cover .......................................................................................................... 96
Remove the top cover ...................................................................... 96
Front-door assembly ......................................................................................... 98
ENWW v
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