Post-service tests .............................................................................................................. 73
Test 1 (print-quality test) ................................................................................... 73
Test 2 (copy-quality test) ................................................................................... 73
Test 3 (fax-quality test) ...................................................................................... 73
Parts removal order ........................................................................................................... 74
Scanner and ADF components .......................................................................................................... 75
ADF input tray .................................................................................................................... 75
Flatbed lid .......................................................................................................................... 76
Link assemblies and scanner support-frame springs ........................................................ 79
Control-panel bezel ............................................................................................................ 81
Control-panel assembly ..................................................................................................... 82
ADF separation pad ........................................................................................................... 83
ADF input-tray flag ............................................................................................................. 84
ADF pickup roller assembly .............................................................................................. 85
ADF scanner glass ............................................................................................................ 88
Scanner assembly ............................................................................................................. 90
Product base ...................................................................................................................................... 95
Print cartridge .................................................................................................................... 95
Separation pad (product base) .......................................................................................... 96
Pickup roller (product base) ............................................................................................... 97
Scanner cushions ............................................................................................................ 100
Media input tray ............................................................................................................... 101
Transfer roller .................................................................................................................. 103
Side covers ...................................................................................................................... 104
Print-cartridge door .......................................................................................................... 106
Rear cover and fuser cover ............................................................................................. 107
Front cover ....................................................................................................................... 109
Speaker assembly ........................................................................................................... 111
Formatter and fax card .................................................................................................... 113
Power supply ................................................................................................................... 114
Scanner support-frame .................................................................................................... 118
Laser/scanner assembly .................................................................................................. 121
Main motor ....................................................................................................................... 125
Fuser ................................................................................................................................ 128
Paper-pickup assembly ................................................................................................... 132
Drive-gear assembly and drive belt ................................................................................. 135
6 Problem solve
Problem-solving checklist ................................................................................................................. 138
Control-panel messages .................................................................................................................. 140
Alert and warning messages .......................................................................................... 140
Alert and warning message tables .................................................................. 140
Critical error messages .................................................................................................... 147
Critical error message-tables .......................................................................... 147
Clear jams ........................................................................................................................................ 149
Causes of jams ................................................................................................................ 149
Where to look for jams ..................................................................................................... 150
Clear jams from the ADF ................................................................................................. 151
Clear jams from the input-tray areas ............................................................................... 153
Clear jams from the output bin ......................................................................................... 155
vi ENWW
