Fuser cover ...................................................................................................................... 36
Remove the fuser cover ............................................................................... 36
Rear door and secondary transfer assembly ................................................................. 37
Remove the rear door and secondary transfer assembly ........................... 37
Power supply cover ........................................................................................................ 38
Remove the power supply cover .................................................................. 38
Main assemblies ................................................................................................................................ 39
Formatter PCA (M176 model) ......................................................................................... 39
Remove the formatter PCA (M176 model) .................................................. 39
Wireless PCA (M177 model) ............................................................................................ 42
Remove the wireless PCA (M177 model) ..................................................... 42
Formatter PCA (M177 model) ......................................................................................... 44
Remove the formatter PCA (M177 model) .................................................. 44
Fax PCA (M177 model) .................................................................................................... 45
Remove the fax PCA (M177 model) ............................................................. 45
Control panel FFC ............................................................................................................ 46
Remove the control panel FFC ..................................................................... 46
Engine controller assembly and formatter-engine FFC ................................................ 49
Remove the engine controller assembly and formatter-engine FFC ......... 49
Install a replacement engine controller assembly ...................................... 53
Fuser delivery assembly ................................................................................................. 54
Remove the fuser delivery assembly .......................................................... 54
Reinstall the fuser delivery assembly ......................................................... 58
Intermediate transfer belt (ITB) assembly ..................................................................... 61
Remove the ITB assembly ............................................................................ 62
Reinstall the ITB assembly ........................................................................... 71
Low-voltage power supply assembly (LVPS) and support frame ................................. 72
Remove the low-voltage power supply assembly and support frame ....... 72
Install a replacement low-voltage power supply ........................................ 77
Base plate assembly ....................................................................................................... 78
Remove the base plate assembly ................................................................ 78
Paper pickup roller .......................................................................................................... 79
Remove the pickup roller assembly ............................................................ 79
Scanner and document feeder components .................................................................................... 80
Separate the scanner lid or document feeder from the scan base ............................... 80
Scanner components ...................................................................................................... 82
Scan bezel ..................................................................................................... 82
Scan drive system ........................................................................................ 84
Scan FFC cable .............................................................................................. 85
Scan motor ................................................................................................... 87
Scanner spring assembly ............................................................................. 89
vi ENWW