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Chapter 3 Troubleshooting Display Messages
PAP NOT SCHED*
Paper Not Scheduled. The
paper feed process is not
scheduling on the controller
board, and the printer cannot
feed paper.
1. Cycle power. Run the print job
again. If the message appears,
download the emulation software
again.
2. Cycle power. Run the print job
again. If the message appears,
replace the MPU cable assembly.
3. Power on the printer. Run the
print job again. If the message
appears, replace the power
supply board.
4. Power on the printer. Run the
print job again. If the message
appears, replace the shuttle
frame assembly.
5. Power on the printer. Run the
print job again. If the message
appears, replace the controller
board. Record the message and
return it with defective board.
PAP NT AT SPEED*
Paper Not At Speed.
Firmware error on the
controller board.
1. Cycle power. Run the print job
again. If the message appears,
download the emulation software
again.
2. Cycle power. Run the print job
again. If the message appears,
replace the controller board.
Record the message and return it
with defective board.
PAP UNEXP INT*
Paper Unexpected Interrupt.
Firmware error on the
controller board.
1. Cycle power. Run the print job
again. If the message appears,
download the emulation software
again.
2. Cycle power. Run the print job
again. If the message appears,
replace the controller board.
Record the message and return it
with defective board.
Table 2. Message List
Message Explanation Solution