155 errors......................................................................................................................................................................160
171 errors .......................................................................................................................................................................162
Procedure before starting the 9yy service checks ...........................................................................................163
900 errors ....................................................................................................................................................................165
912 errors......................................................................................................................................................................170
94y errors .....................................................................................................................................................................170
950–958 errors ..........................................................................................................................................................170
959 errors.....................................................................................................................................................................173
96y errors.....................................................................................................................................................................174
97y errors .....................................................................................................................................................................175
98y errors .....................................................................................................................................................................176
99y errors..................................................................................................................................................................... 177
ADF/Scanner hardware errors......................................................................................................................178
8yy error messages ...................................................................................................................................................178
Scanner disabled error service check ..................................................................................................................179
Scanner carriage failure service check ................................................................................................................180
ADF service check ......................................................................................................................................................181
Scanner configuration error service check .........................................................................................................182
Scan/fax/copy symptoms .........................................................................................................................................182
Black or blank page copy service check .............................................................................................................183
CCD service check.....................................................................................................................................................184
Flatbed motor service check...................................................................................................................................184
Flatbed home position service check...................................................................................................................185
ADF rattling noise service check ...........................................................................................................................186
Flatbed legal scan service check...........................................................................................................................186
ADF streak service check ........................................................................................................................................187
ADF feed errors service check...............................................................................................................................187
ADF duplex failure service check ..........................................................................................................................188
Modem/fax card service check...............................................................................................................................189
Blank spaces on incoming fax service check.....................................................................................................190
Stretched words on incoming fax service check...............................................................................................190
Fax reception service check ....................................................................................................................................191
Fax transmission service check..............................................................................................................................192
Fax error log codes....................................................................................................................................................195
Escalating a fax issue to second‑level support ..................................................................................................198
Input option hardware errors.......................................................................................................................200
321–344 errors.......................................................................................................................................................... 200
Other symptoms..............................................................................................................................................204
Base printer symptoms............................................................................................................................................204
Dead machine service check................................................................................................................................ 205
Controller board service check ............................................................................................................................ 206
Control panel service check...................................................................................................................................207
Control panel button service check .................................................................................................................... 208
USB print service check ......................................................................................................................................... 209
7015
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