Specifications

4–4 Troubleshooting
Instruction NoYesIndication
5. Turn printer on and observe
card cage fan: feel for air flow
beneath the card cage.
Card cage fan comes on. Replace the
controller board.
Reattach
CCB/Mech Driver
cable to connector
J2 on the
controller and
connector J6 on
the mech driver
board, and go to
step 6.
6. Cycle power and observe the
power supply fan.
Power supply fan runs, then
stops.
Replace the
mech. driver
board.
Go to step 7.
7. Cycle power and observe the
power supply fan.
Power supply fan runs, then
stops, with new mech. driver
board installed.
Replace the
hammer driver
board.
Go to step 8.
8. Cycle power and observe the
power supply fan above the
on/off switch.
Power supply fan does not run
at all.
Replace the
power supply.
Return printer to
normal operation.
9. Cycle power and check for
the fault message.
“48 Volt Failed * ” message. Replace +5V
cable assembly.
(See Appendix A.)
Go to step 10.
Return printer to
normal operation.
10. Cycle power and check for
the fault message.
“48 Volt Failed * ” message. Replace Hi
voltage cable
assembly. (See
Appendix A.) Go
to step 11.
Return printer to
normal operation.
11. Cycle power and check for
the fault message.
“48 Volt Failed * ” message. Replace Main
Wire Harness.
(See Appendix A.)
Go to step 12.
Return printer to
normal operation.
12. Cycle power and check for
the fault message.
“48 Volt Failed * ” message. Replace hammer
bank cables. (See
Appendix A.)
Return printer to
normal operation.