43y.xx paper jams ............................................................................................................................................. 92
451 paper jams ................................................................................................................................................. 93
455–457 paper jams ......................................................................................................................................... 94
User attendance messages (0-99.99)......................................................................................................97
User attendance messages (0‑99.99) ............................................................................................................... 97
Toner level sensing error check ...................................................................................................................... 102
Toner cartridge smart chip error service check .............................................................................................. 102
Imaging unit smart chip service check............................................................................................................ 103
Fuser unit smart chip service check................................................................................................................ 104
Printer hardware errors (100-199.99)...................................................................................................104
Printer hardware error messages(100‑199.99) .............................................................................................. 105
Printhead ID service check.............................................................................................................................. 109
Printhead service check .................................................................................................................................. 109
Fuser drive motor service check ..................................................................................................................... 110
Fuser service check ......................................................................................................................................... 110
LVPS service check .......................................................................................................................................... 111
Toner level sensing service check ................................................................................................................... 111
Main drive motor service check...................................................................................................................... 112
Media feeder service check ............................................................................................................................ 112
Redrive motor service check........................................................................................................................... 113
Duplex motor service check............................................................................................................................ 113
Toner add motor service check ...................................................................................................................... 114
Main cooling fan service check ....................................................................................................................... 114
Cartridge cooling fan service check ................................................................................................................ 115
LVPS cooling fan service check ....................................................................................................................... 115
HVPS cooling fan service check....................................................................................................................... 116
Miscellaneous cooling fan service check ........................................................................................................ 116
ADF and scanner errors.........................................................................................................................117
ADF and scanner error messages (280‑295.20).............................................................................................. 117
ADF cover open jam........................................................................................................................................ 118
Sensor (ADF pick) static jam ........................................................................................................................... 118
Sensor (ADF pick) never arriving or late arriving jam service check ...............................................................119
Sensor (ADF pick) late leaving or not cleared jam service check .................................................................... 120
Sensor (ADF 1st scan) static jam service check............................................................................................... 122
Sensor (ADF 1st scan) never arriving or late arriving jam service check.........................................................122
Sensor (ADF 1st scan) late leaving or not cleared jam.................................................................................... 124
Sensor (ADF 2nd scan) static jam.................................................................................................................... 125
Sensor (ADF 2nd scan) never arriving or late arriving jam service check .......................................................126
Sensor (ADF 2nd scan) late leaving or not cleared jam service check ............................................................127
Sensor (ADF media exit) static jam service check........................................................................................... 128
Sensor (ADF media exit) never arriving or late arriving jam service check..................................................... 129
Sensor (ADF media exit) late leaving or not cleared jam service check.......................................................... 130
Sensor (multifeed detect) detected multiple sheets service check................................................................ 132
ADF and scanner error messages (84x) .......................................................................................................... 132
7463
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