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NV RAM OK
RAM OK
ROM 1 OK
ROM 2 OK
MC OK
If all tests have been passed successfully the following message will be
displayed:
Display
READY/BUSY
That means ...
Error on the RAM of
the Control Unit
Checksum error
(P)ROM 1
No Fonts available
RAM on Memory
Card damaged
Fault on Control Unit
That means...
The Printer is OK
Troubleshooting and Diagnostics
Cause / Action
- Control Unit defective
- (P)ROM defective
- Character generator P(ROM)
on PM damaged or missing
- Memory Card defective
- 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
Cause / Action
- Printer ready for
operation
5-3
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