User attendance messages (0-99.99)......................................................................................................92
User attendance messages (0‑99.99) ............................................................................................................... 92
Toner level sensing error check ........................................................................................................................ 97
Toner cartridge smart chip error service check ................................................................................................ 97
Imaging unit smart chip service check.............................................................................................................. 98
Fuser unit smart chip service check.................................................................................................................. 99
Printer hardware errors (100-199.99).....................................................................................................99
Printer hardware error messages(100‑199.99) .............................................................................................. 100
Printhead ID service check.............................................................................................................................. 104
Printhead service check .................................................................................................................................. 104
Fuser drive motor service check ..................................................................................................................... 105
Fuser service check ......................................................................................................................................... 105
LVPS service check .......................................................................................................................................... 106
Toner level sensing service check ................................................................................................................... 106
Main drive motor service check...................................................................................................................... 107
Media feeder service check ............................................................................................................................ 107
Redrive motor service check........................................................................................................................... 108
Duplex motor service check............................................................................................................................ 108
Toner add motor service check ...................................................................................................................... 109
Main cooling fan service check ....................................................................................................................... 109
Cartridge cooling fan service check ................................................................................................................ 110
LVPS cooling fan service check ....................................................................................................................... 110
HVPS cooling fan service check....................................................................................................................... 111
Miscellaneous cooling fan service check ........................................................................................................ 111
Firmware and/or system electronics errors (900-999.99)....................................................................111
9xx error messages ......................................................................................................................................... 112
System software error service check.............................................................................................................. 115
NVRAM mismatch failure service check ......................................................................................................... 120
Input/output option hardware errors...................................................................................................121
3xx error messages (300‑399.99) ................................................................................................................... 121
250/550-sheet transport motor failure service check.................................................................................... 126
250/550-sheet media feeder failure service check ........................................................................................ 128
250/550-sheet controller board failure service check.................................................................................... 130
HCIT lift drive motor failure service check...................................................................................................... 131
HCIT lift plate failure service check................................................................................................................. 133
HCIT transport motor failure service check .................................................................................................... 135
HCOE failure service check ............................................................................................................................. 137
Mailbox failure service check.......................................................................................................................... 138
Output expander failure service check ........................................................................................................... 139
Input/output option paper jam errors..................................................................................................141
Input option jam error messages (242‑245.99) .............................................................................................. 141
250/550-sheet media tray option jam service check...................................................................................... 152
HCIT jam service check ................................................................................................................................... 154
HCIT source jam service check........................................................................................................................ 156
4063
Table of contents
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