Step 4: Transfer ................................................................................................ 54
Step 5: Separation ............................................................................................ 54
Step 6: Fusing ................................................................................................... 54
Step 7: Drum cleaning ....................................................................................... 55
Internal components ........................................................................................................................... 56
Timing ................................................................................................................................................. 58
Print cartridge memory system ........................................................................................................... 61
5 Removal and replacement
Chapter contents ................................................................................................................................ 63
Overview ............................................................................................................................................ 65
Removal and replacement strategy .................................................................................. 65
Electrostatic discharge ....................................................................................................... 65
Required tools .................................................................................................................... 65
Types of screws ................................................................................................................. 66
Service approach ............................................................................................................................... 67
Before performing service .................................................................................................. 67
Pre-service procedures ..................................................................................... 67
Parts removal order ........................................................................................... 68
After performing service ..................................................................................................... 68
Covers ................................................................................................................................................ 69
Right-side cover ................................................................................................................. 69
Left-side cover ................................................................................................................... 70
Back cover ......................................................................................................................... 72
I/O cover ............................................................................................................................ 72
Top, right cover .................................................................................................................. 73
Top cover ........................................................................................................................... 74
Front, right cover ................................................................................................................ 75
Control panel ...................................................................................................................................... 78
Formatter ............................................................................................................................................ 80
Fuser .................................................................................................................................................. 83
Laser/scanner ..................................................................................................................................... 86
Engine control unit (ECU) ................................................................................................................... 88
Access plate ....................................................................................................................................... 96
High-voltage power supply ................................................................................................................. 97
Paper feed guide assembly .............................................................................................................. 104
Main motor ....................................................................................................................................... 106
Gear assembly ................................................................................................................................. 108
Reinstallation notes for the gear assembly ...................................................................................... 110
Tray 1 solenoid ................................................................................................................................. 111
Tray 2 solenoid ................................................................................................................................. 112
E-label reader (memory tag) ............................................................................................................ 113
Face-down-roller shaft ...................................................................................................................... 115
Cartridge door .................................................................................................................................. 117
Transfer roller ................................................................................................................................... 120
Registration assembly ...................................................................................................................... 121
Tray 1 pickup roller ........................................................................................................................... 124
Tray 2 pickup roller ........................................................................................................................... 125
Separation pad ................................................................................................................................. 127
ENWW v
