List of Messages
47
INTAKE FAN FAULT Sensors cannot detect current
in the card cage fan circuit.
1. Cycle power. If the message
appears, press CLEAR. If the
message does not clear, go to step 2.
2. Power off the printer. Remove the
paper path or pedestal top cover.
Disconnect connector P106 from the
CMX controller board. Test connector
P106/CCF for shorts or opens. (Refer
to the Main Wire Harness Test
Tables in Appendix A.) Replace
components that fail test.
3. Make sure P106/CCF has a good
connection at J106 on the CMX
controller board.
4. Inspect for obstructions of airways
and vents. Remove obstructions.
5. Power on the printer. If the message
appears, replace the CMX controller
board. Record the message and
return it with defective CMX board.
INTERRUPT UNUSED
VECTOR 00
This message is generated
when the CMX controller board
gets an interrupt it does not
understand. The problem can
be created by electrical noise,
by a software problem, or by a
hardware problem.
1. Cycle power. If this message
occurred once and never again, you
can ignore it. If the message
reappears or appears consistantly
check the grounding of the printer. If
the machine is correctly grounded,
replace the CMX controller board.
2. Power on the printer. Cycle power. If
the message appears, suspect an
application software error. Request
assistance from your local support
group. Install the original CMX
controller board.
LO DRV. SHORT* Lower Driver Short. Circuit(s) on
the hammer bank or in the
hammer bank power cable are
shorted to ground.
1. Cycle power. If the message
appears, press CLEAR. If message
does not clear, replace the hammer
bank logic cable and the hammer
bank power cable.
2. Power on the printer. If the message
appears, replace the shuttle frame
assembly.
3. Power on the printer. 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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