Serial - OKIDATA Pacemark 3410 Service Handbook

Serial

Correctly set the interface menu parameters.
Is the problem resolved?
YES End of procedure.
NO Are +/- 8 vdc present at the main logic board?
Check + 8 vdc at Pin 6 of cable CN7.
Check - 8 vdc at Pin 7 of cable CN7.
NO Replace the power supply unit.
YES Replace the Program ROMs on the main logic board.
Is the problem resolved?
YES
NO
Is the problem resolved?
YES
NO
Pacemark 3410 Service Handbook
End of procedure.
Replace the main logic board.
End of procedure.
Replace the interface connector board.
Is the problem resolved?
YES End of procedure.
NO Replace the cable connected to CN6 on the main logic board.
Is the problem resolved?
YES End of procedure.
NO Contact Technical Support.
4 - 33 Failure Analysis