Instruction manual

3–9Troubleshooting
Displayed Message
Solution
Explanation
TCB CORRUPTED*
Fatal firmware error on
CMX controller board.
Cycle power and rerun print
job. If message recurs,
replace CMX controller
board.
UNDEF INTERRUPT*
Fatal firmware error on
CMX controller board.
Cycle power and rerun print
job. If message recurs,
replace CMX controller
board.
UNDFNED OPCODE*
Fatal firmware error on
CMX controller board.
Cycle power and rerun print
job. If message recurs,
replace CMX controller
board.
UP DRV. SHORT *
Hammer driver circuits on
the CMX boards shorted to
ground.
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