USB service check ...........................................................................................................................................137
Network service check....................................................................................................................................137
ADF/Scanner hardware errors...............................................................................................................140
8yy service error messages.............................................................................................................................140
ADF service check ...........................................................................................................................................143
CCD service check ...........................................................................................................................................144
Scan/fax/copy symptoms ...............................................................................................................................145
Flatbed motor service check...........................................................................................................................146
ADF streak service check ................................................................................................................................148
ADF feed errors service check ........................................................................................................................148
ADF duplex service check................................................................................................................................150
Modem/fax card service check.......................................................................................................................151
Fax reception service check ............................................................................................................................152
Fax transmission service check .......................................................................................................................154
Fax error log codes .........................................................................................................................................156
Input option hardware errors...............................................................................................................161
Tray (x) sensor service check ..........................................................................................................................162
Service menus..........................................................................................185
Menus list..............................................................................................................................................190
Diagnostics menu..................................................................................................................................192
Entering diagnostics mode .............................................................................................................................193
REGISTRATION ................................................................................................................................................193
Skew................................................................................................................................................................194
Quick Test .......................................................................................................................................................195
Alignment Menu .............................................................................................................................................196
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