Printronix P7000 Series Maintenance Manual page 44

Chapter 3
Troubleshooting Display Messages
Table 4. P7000 ASCII (Spool) Error Messages List
Displayed Message
15V CTL FAIL*
22 INVALID ADDR
44
Explanation
Controller Voltage Failure.
Invalid Address: poll time-
out on the twinax interface
indicating the unit address is
not recognized by printer.
Solution
1. Cycle Power. Run the print job
again. If the message appears,
remove the hammer bank logic
cable, inspect it for damage, and
test it for continuity. (See
Appendix A.) Replace the
hammer bank logic cable if it is
damaged or fails the continuity
test.
2. Cycle Power. Run the print job
again. If the message appears,
download the emulation software
again (page 247).
3. Cycle power. Run the print job
again. If the message appears,
replace the flash memory.
4. Power on the printer. Run the
print job again. If the message
appears, replace the controller
board. Record the message and
return it with the defective board.
5. Check the resistance of
connectors P106/LRIB M and
P107/RRIB M. (Refer to the Main
Wire Harness Test Tables in
Appendix A.) If ribbon motor
resistance is not correct, replace
the motor and/or the intermediate
cable, if installed.
6. Power on the printer. Run the
print job again. If the message
appears, do the power supply
operational check (page 264). If
the power supply fails the check,
replace it. If it passes the check,
go to the next step.
7. Power on the printer. If the
message appears, replace the
shuttle frame assembly.
Have the system administrator make
sure the printer address is correct.