Rap 05:Malfunction Of Operator Panel Switch(Es) - OKIDATA ML320 Service Manual

RAP 05:Malfunction of Operator Panel Switch(es)

START
Is the operator panel board correctly connected to CN1 of the control board?
YES Replace the operator panel assembly.
Is the problem resolved?
YES
NO
Is the problem resolved?
NO Correctly make the connection.
Is the problem resolved?
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End of procedure.
Replace the control board.
YES End of procedure.
NO Contact Technical Support.
YES End of procedure.
NO Replace the control board.
Is the problem resolved?
YES End of procedure.
NO Contact Technical Support.
Service Guide ML320/ML321
Chapter 4 Failure & Repair Analysis
Page: 95