Table 16. LCD Message Troubleshooting Table
Displayed Message
8.5V PWR FAIL*
No
15V CTL FAIL*
No
23.5V CTL FAIL*
No
48V PWR FAIL*
No
ACCESS NULL
No
PTR*
ACTIVATE LOST
No
A TO D OVERUN*
No
BUFFER
Yes
OVERFLOW
Can User
Explanation
Correct?
Internal power
failure.
Controller voltage
failure.
Controller voltage
failure.
Internal power
failure.
Fatal firmware
error on controller
board.
Printer detects
twinax protocol
communication
errors.
Fatal firmware
error on controller
board.
Host sends data
after the printer
buffer is full (serial
interface).
Fault Messages
Solution
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
Contact your authorized
1
service representative.
The printer reports the
error.
Contact your authorized
1
service representative.
Check your printer serial
interface parameter
settings; if necessary,
adjust them so that they
match the settings of the
attached host.
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