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Chapter 15 Diagnosing Problems
Table 21. LCD Message Troubleshooting Table
Displayed Message Explanation Action Required
8.5V PWR FAIL* Internal power failure. Contact your Hewlett-Packard
Customer Service Engineer.
1
15V PWR FAIL* Controller voltage failure. Contact your Hewlett-Packard
Customer Service Engineer.
1
23.5V PWR FAIL* Controller voltage failure. Contact your Hewlett-Packard
Customer Service Engineer.
1
48V PWR FAIL* Internal power failure. Contact your Hewlett-Packard
Customer Service Engineer.
1
A TO D OVERUN* Fatal firmware error on controller
board.
Contact your Hewlett-Packard
Customer Service Engineer.
1
ACCESS NULL PTR* Fatal firmware error on controller
board.
Contact your Hewlett-Packard
Customer Service Engineer.
1
BUFFER OVERRUN Host sends data after the printer
buffer is full. (Serial interface.)
Check your serial host
interface parameter settings; if
necessary, adjust them so
they match the settings of the
attached host.
CLEAR PAPER JAM No paper motion. Clear jam and reload paper.
(See
Quick Reference Guide
.)
If this message recurs, contact
your Hewlett-Packard
Customer Service Engineer.
1
CLEARING PROGRAM
FROM FLASH
The program successfully loaded
into printer RAM and the
checksum matched. The old
program is now being deleted
from flash memory.
None
CLOSE PLATEN The forms thickness lever is open. Close the forms thickness
lever.
COIL HOT* One or more hammer coils are
overheating.
Contact your Hewlett-Packard
Customer Service Engineer.
1
CTL VOLT FAIL* Controller voltage failure. Contact your Hewlett-Packard
Customer Service Engineer.
1
DIAGNOSTIC
PASSED
The printer passed its memory
and hardware initialization tests.
None
DRVR CIR BAD* Hammer coil count test failed. Contact your Hewlett-Packard
Customer Service Engineer.
1
