Instruction manual

The Procedures
63
5. Check that power supply cable connector P101 is connected to J101 on
the CMX controller board.
Connect power supply connector P101 to J101 on the CMX controller
board.
6. Check all cable connections on the CMX controller board.
Connect all cables.
7. If the printer has the expansion-CT board, check the CT cable
connections and the adapter connection to the CMX controller board.
Connect all cables. Make sure the 60-pin expansion adapter is
correctly seated in the CMX controller board and the CT board.
8. Disconnect AC-in power supply cable connector P1. Set the circuit
breaker to 1 (on). Measure AC voltage at pins 1 and 2 of connector P1.
If no voltage, replace the circuit breaker. If there is voltage, replace
the power supply board.
ONLINE
28 CU NOT ENAB Message
1. Controller Unit Not Enabled. Poll time-out error. The printer was not
polled for one minute across a coax interface.
Check cable connection and host system. (Refer to line problem
determination procedures, as recommended by the host system.)
ONLINE
8344 FAILED Message
1. Link-level code test detects a hardware failure on the expansion-CT
board.
Replace the expansion-CT board. Record the message and return it
with defective board.
ONLINE
CU TIMED OUT Message
1. Controller Unit Timed Out: the printer was not enabled for one minute or
more on a coax interface.
Check cable connection and host system. (Refer to line problem
determination procedures, as recommended by the host system.)
PAP BAD TABLE* Message
NOTE: If this message appears during a software download, do the
download again. If the message appears on the second try, replace
the CMX controller board. Record the message and return it with
defective CMX board.