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Fault Messages
147
SHUTL INV CMD* No Fatal firmware error on
controller board.
Contact your authorized
customer service engineer.
1
SHUTL INV PARM* No Fatal firmware error on
controller board.
Contact your authorized
customer service engineer.
1
SHUTTLE JAM Yes No shuttle movement
or shuttle moving at
wrong speed.
Check for obstruction to shuttle,
a twisted ribbon, or forms
thickness lever closed too tightly.
If fault source is not apparent,
contact your authorized
customer service engineer.
SOFTWARE ERROR *
Cycle power
No Application software
tried to perform illegal
printer function, or
damaged logic circuits
found on controller
board.
Contact your authorized
customer service engineer.
1
STACK OVERFLOW* No Fatal firmware error on
controller board.
Contact your authorized
customer service engineer.
1
STACK UNDERFLOW* No Fatal firmware error on
controller board.
Contact your authorized
customer service engineer.
1
TCB CORRUPTED* No Fatal firmware error on
controller board.
Contact your authorized
customer service engineer.
1
UNDEF INTERRUPT* No Fatal firmware error on
controller board.
Contact your authorized
customer service engineer.
1
UNDFNED OPCODE* No Fatal firmware error on
controller board.
Contact your authorized
customer service engineer.
1
UP DRV. SHORT * No Hammer driver circuits
on the boards shorted
to ground.
Contact your authorized
customer service engineer.
1
HAMMER COIL BAD
X, X, X,...
Yes Coil # failed current
test at power-up.
Record message, clear to
continue printing, and contact
your authorized customer
service represetative.
1
Before contacting an authorized customer service engineer, power off 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 customer service engineer.
Table 19. LCD Message Troubleshooting Table (continued)
Displayed Message
Can User
Correct?
Explanation Solution