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Troubleshooting and Diagnostics
Display That means ... Cause / Action
5-3
NV RAM OK Error on the RAM of - Control Unit defective
the Control Unit
RAM OK Checksum error - (P)ROM defective
(P)ROM 1
ROM 1 OK No Fonts available - Character generator P(ROM)
on PM damaged or missing
ROM 2 OK RAM on Memory - Memory Card defective
Card damaged
MC OK Fault on Control Unit - Control Unit defective
- Type mismatch of PM and
Control Unit
- PBC (Printer Base
Controller)
on Control Unit damaged
- SPC (Speed Controller)
on Control Unit damaged
- Transport lock not removed
If all tests have been passed successfully the following message will be
displayed:
Display That means... Cause / Action
READY/BUSY The Printer is OK - Printer ready for
operation