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Service Guide ML395/395C
Chapter 4 Failure & Repair Analysis
RAP 03: Head Homing Error (ALARM 53)
START
Is +38vdc present on the control board? Check for an open fuse on control board.
YES Is connector CN1 on the control board correctly installed?
YES Replace the control board.
NO Correctly install the connector.
Has the problem been resolved?
YES End of procedure.
NO Contact Okidata Technical Support.
NO Are cables CN3 and CN7 on the control board correctly connected to the power supply unit?
YES Replace the power supply unit.
NO Correctly connect the cables.
Has the problem been resolved?
YES End of procedure.
NO Replace the space motor.
Has the problem been resolved?
YES End of procedure.
NO Contact Okidata Technical Support.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
Summary of Contents for Microline ML395C
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