Page: 92Service Guide ML390/391Chapter 4 Failure & Repair AnalysisRAP 06: Parallel Interface Does Not Receive DataSTARTIs the SELECT lamp lit?NO Press the SELECT button to place the printer in Select Mode. The SELECT lamp will be lit when theprinter is in Select Mode.Is the problem resolved?YES End of procedure.NO Go to the next step listed below.YES Check the interface cable. Is it correctly connected?YES Replace the cable with a cable known to work.Is the problem resolved?YES End of procedure.NO Replace the control board.Is the problem resolved?YES End of procedure.NO Call Technical Support.NO Correctly connect the cable.Is the problem resolved?YES End of procedure.NO Replace the control board.Is the problem resolved?YES End of procedure.NO Call Technical Support.Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA BusinessPartner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
