Region mismatch service check.............................................................................................................................173
Maintenance kit service check ...............................................................................................................................174
Cartridge or photoconductor error service check.............................................................................................174
Mismatched paper size service check .................................................................................................................175
Insucient memory service check ........................................................................................................................176
Complex page service check..................................................................................................................................176
Flash memory failure service check...................................................................................................................... 177
Insucient flash memory service check .............................................................................................................. 177
Unsupported internal option service check........................................................................................................178
Disabled port service check....................................................................................................................................178
Excess options service check .................................................................................................................................179
Incompatible hardware option service check.....................................................................................................180
Hard disk failure service check ..............................................................................................................................180
Printer hardware errors................................................................................................................................... 181
1yy errors........................................................................................................................................................................181
6yy errors......................................................................................................................................................................216
9yy errors.....................................................................................................................................................................222
ADF/scanner hardware errors.....................................................................................................................238
8yy error messages ..................................................................................................................................................238
Scanner disabled error service check .................................................................................................................238
Scanner communication failure service check..................................................................................................239
Scanner configuration error service check ........................................................................................................240
Scan/fax/copy symptoms ........................................................................................................................................240
Black or blank page copy service check .............................................................................................................241
Flatbed motor service check..................................................................................................................................242
Flatbed home position service check..................................................................................................................242
ADF rattling noise service check ..........................................................................................................................243
Flatbed legal‑size scan service check.................................................................................................................244
ADF feed errors service check..............................................................................................................................245
ADF duplex service check ......................................................................................................................................247
Modem/fax card service check..............................................................................................................................248
Blank spaces on incoming fax service check....................................................................................................249
Stretched words on incoming fax service check..............................................................................................249
Fax reception service check ..................................................................................................................................249
Fax transmission service check..............................................................................................................................251
Fax error log codes...................................................................................................................................................254
Escalating a fax issue to second‑level support .................................................................................................257
Symptoms.........................................................................................................................................................259
Base printer symptoms............................................................................................................................................259
Control panel service check...................................................................................................................................259
Interlock switch service check.............................................................................................................................. 260
Sensor (narrow media) and sensor (fuser buckle) service check.................................................................262
Dead machine service check.................................................................................................................................262
Mobile solutions module NFC service check ....................................................................................................264
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