USB print service check................................................................................................................................... 145
Front door not closed service check ...............................................................................................................146
Network service check.................................................................................................................................... 147
Bin full service check....................................................................................................................................... 149
ADF/Scanner hardware errors...............................................................................................................150
8yy error messages ......................................................................................................................................... 150
Scanner disabled error service check .............................................................................................................151
ADF service check ........................................................................................................................................... 152
Scanner configuration error service check .....................................................................................................153
Scan/fax/copy symptoms ...............................................................................................................................153
Black or blank page copy service check ..........................................................................................................154
CCD service check ........................................................................................................................................... 155
Flatbed motor service check...........................................................................................................................155
Flatbed home position service check..............................................................................................................156
ADF rattling noise service check .....................................................................................................................156
Flatbed legal scan service check .....................................................................................................................157
ADF streak service check ................................................................................................................................157
ADF feed errors service check ........................................................................................................................158
ADF duplex service check................................................................................................................................159
Modem/fax card service check.......................................................................................................................160
Blank spaces on incoming fax service check ...................................................................................................161
Stretched words on incoming fax service check .............................................................................................161
Fax reception service check ............................................................................................................................161
Fax transmission service check ....................................................................................................................... 163
Fax error log codes ......................................................................................................................................... 165
Escalating a fax issue to second‑level support................................................................................................ 169
Input/output option hardware errors...................................................................................................170
321–344 errors ...............................................................................................................................................170
381 errors ....................................................................................................................................................... 174
Service menus..........................................................................................175
Understanding the printer control panel..............................................................................................175
Using the printer control panel.......................................................................................................................175
Understanding the colors of the indicator and Sleep button lights................................................................175
Understanding the home screen ....................................................................................................................176
Using the touch-screen buttons ..................................................................................................................... 178
Updating the printer firmware..............................................................................................................179
Menus list..............................................................................................................................................179
Diagnostics menu..................................................................................................................................180
Entering the Diagnostics menu....................................................................................................................... 180
Registration..................................................................................................................................................... 180
Scanner calibration ......................................................................................................................................... 181
Print Tests ....................................................................................................................................................... 182
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