Rap 06:Parallel Interface Does Not Receive Data - OKIDATA ML320 Service Manual

RAP 06:Parallel Interface Does Not Receive Data

START
Is the SELECT lamp lit?
NO Press the SELECT button to place the printer in Select Mode. The SELECT
lamp will be lit when the printer is in Select Mode.
Is the problem resolved?
YES
NO
YES Check the interface cable. Is it correctly connected?
YES
Is the problem resolved?
NO Correctly connect the cable.
Is the problem resolved?
YES
NO
Is the problem resolved?
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End of procedure.
Go to the next step listed below.
Replace the cable with a cable known to work.
YES End of procedure.
NO Replace the control board.
Is the problem resolved?
YES End of procedure.
NO Call Technical Support.
End of procedure.
Replace the control board.
YES End of procedure.
NO Call Technical Support.
Service Guide ML320/ML321
Chapter 4 Failure & Repair Analysis
Page: 96