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Chapter 4 Troubleshooting Display Messages
PAP FIFO UNDRFL* Paper First In First Out
Underflow.
1. Cycle power. Run the print job again.
If the message appears, download
the emulation software again.
2. Run the print job again. If the
message appears, power off the
printer. Remove the paper path or
pedestal top cover. Make sure
connectors P106 and P107 are fully
seated on the CMX controller board.
Make sure the MPU cable, the
hammer bank logic cable, and the
hammer bank power cable are
undamaged and have good
connections. Replace as necessary.
(Refer to Appendix A.)
3. Check hammer phasing. Try using a
lower phasing value; sometimes this
message indicates too high a
hammer phase value.
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 power supply board.
6. Power on the printer. Run the print
job again. If the message appears,
replace the CMX controller board.
Record the message and return it
with defective CMX board.
PAP ILLGL ST* Paper Illegal State. Firmware
error on the CMX 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
CMX controller board. Record the
message and return it with defective
CMX board.
PAP INCMPL ENER* Paper Incompletely Energized.
Firmware error on the CMX
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
CMX controller board. Record the
message and return it with defective
CMX board.
Table 2. Message List
Message Explanation Solution
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