Page: 86
Service Guide OL830
Chapter 4 Failure & Repair Analysis
RAP 12: No Operation Panel Display
START
Is the +5vdc on the main controller board b4.75vdc and +5.25vdc? Check the +5vdc at
both sides of C3 on the main controller board.
NO Adjust the +5vdc
as shown in Section 3 of the Service Handbook.
Is the +5vdc within specifications?
NO Replace the power supply unit.
YES Go to
RAP 7{
}
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)