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6–12 Troubleshooting
Table 6–1 LCD Message Troubleshooting Table (continued)
Displayed Message
Can
User
Correct?
Explanation Solution
STACKER JAM
Yes
Paper is jammed in the
power stacker area.
Remove paper
.
TCB CORRUPTED*
No
Fatal firmware error on
controller board.
Contact your authorized service
representative.
1
UNDEF INTERRUPT*
No
Fatal firmware error on
controller board.
Contact your authorized service
representative.
1
1
Before
contacting an authorized service representative, power of
f the printer
, wait 15 seconds,
then power it back on and rerun your print job. If the message reappears, press
CLEAR. If the fault message still displays, then contact your authorized service
representative.