Lexmark MS312 Service Manual page 5

Rear USB port disabled [56]..............................................................................................................................74
Reinstall missing or unresponsive cartridge [31.xy] .........................................................................................74
Reinstall missing or unresponsive imaging unit [31.xy] ....................................................................................74
Replace cartridge, 0 estimated pages remain [88.xy].......................................................................................74
Replace cartridge, printer region mismatch [42.xy] .........................................................................................74
Replace imaging unit, 0 estimated pages remain [84.xy] .................................................................................75
Replace unsupported cartridge [32.xy] ............................................................................................................75
Replace unsupported imaging unit [32.xy] .......................................................................................................75
Too many trays. Remove some. [58] ................................................................................................................75
User attendance messages (0-99.99)......................................................................................................76
User attendance messages (0-99.99) ...............................................................................................................76
Toner cartridge smart chip contact service check ............................................................................................77
Imaging unit smart chip contact service check .................................................................................................78
Toner smart chip compatibility service check...................................................................................................78
Imaging chip compatibility service check .........................................................................................................79
Media size mismatch service check ..................................................................................................................79
Insufficient memory service check ...................................................................................................................80
Printer/cartridge mismatch service check ........................................................................................................81
Flash full service check......................................................................................................................................81
Imaging unit low service check .........................................................................................................................82
Toner cartridge low service check ....................................................................................................................82
Printer hardware errors..........................................................................................................................83
111 errors .........................................................................................................................................................83
121 errors .........................................................................................................................................................85
126 errors .........................................................................................................................................................86
132 errors .........................................................................................................................................................87
133 errors .........................................................................................................................................................88
140 errors .........................................................................................................................................................89
155 errors .........................................................................................................................................................90
Steps before starting the 9yy service checks ....................................................................................................91
900 errors .........................................................................................................................................................93
912 errors .........................................................................................................................................................98
94y errors..........................................................................................................................................................98
950-958 errors .................................................................................................................................................98
959 errors .......................................................................................................................................................101
96y errors........................................................................................................................................................102
97y errors........................................................................................................................................................103
98y errors........................................................................................................................................................103
99y errors........................................................................................................................................................104
Base printer symptoms...................................................................................................................................104
Cooling fan service check................................................................................................................................105
Dead machine service check...........................................................................................................................105
Controller board service check .......................................................................................................................106
Control panel button service check ................................................................................................................107
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