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Fault Messages
Table 15. LCD Message Troubleshooting Table
Displayed Message
Can User
Correct?
Explanation
Solution
INTERRUPT
UNUSED VECTOR
00
No
The controller
board receives an
interrupt it does not
understand.
Cycle power. If this
message occurred once
and never again, you can
ignore it. If the message
reappears or appears
consistently, contact your
authorized service
representative.1
INVALID ACTIVATE
No
Printer detects
twinax protocol
communication
errors.
The printer reports the
error.
INVALID COMMAND
No
Printer detects
twinax protocol
communication
errors.
The printer reports the
error; host action is
required.
LO DRV. SHORT *
No
Circuit(s) on the
hammer bank or in
the hammer bank
power cable
shorted to ground.
Contact your authorized
service representative.1
LOAD PAPER
Yes
Printer is out of
paper.
Load paper.
LOADING
PROGRAM FROM
PORT XX%
No
Status message:
the new emulation
program is loading
into printer RAM.
XX% indicates how
much of the
program has
loaded.
No action is required.
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