Oki PACEMARK 4410 Service Manual page 162

Printer
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Check the mounting of Cover Open Switch.
M Pressing Operation Panel Switches does not make Printer operate. (after normal initialization)
The cable between POA-Board CN1 and PHA-Board CN12 connected properly?
Yes
No
Connect the cable properly.
Check conduction at the junction cable between POA-Board CN1 and PHA-Board CN12.
Normal conduction?
Yes
No
Replace the junction cable.
Replace POA-Board. Recovered?
No
Yes
End
Replace the junction cable between PMA-Board CN6 and PHA-Board CN1. Recovered?
No
Yes
End
Replace PHA-Board. Recovered?
No
Yes
End
161

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