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Service Guide PM3410
Chapter 4 Failure & Repair Analysis
RAP 08: Malfunction of Operator Panel Switch
START.
Is the cable to CN1 on the operator panel connected correctly?
NO Connect it correctly.
YES Is the cable to CN10 on the operator panel connected correctly?
NO Connect it correctly.
YES Replace the operator panel circuit board.
Is the problem resolved?
YES End of procedure
NO Replace the operator panel holder.
Is the problem resolved?
YES End of procedure
NO Replace the main logic board.
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