Oki ML520 - Manual (Page 184)

Page: 127
Service Guide ML520/521
Chapter 4 Failure & Repair Analysis
4.6 FAULT ALARMS
4.6.01 General Information
Follow these guidelines when using the Troubleshooting Tables.
CAUTION:
Always check that all connectors on the printer are making good contact.
1. Record the status (OFF, solidly ON, Blinking) of the Operator Panel LEDs.
2. Go to the Troubleshooting Table Index (Section 4.6.02).
3. Look for the LED Indications you have observed.
4. The Reference Number in the column at the right side of the Troubleshooting Table Index directs you
to the appropriate item in the Troubleshooting Tables (Section 4.6.03).
5. The Troubleshooting Tables will provide a Failure Description, Probable Cause and Recommended
Action.
6. The Recommended Action will direct you to the actions listed below.
Follow a specific RAP.
Replace items in a listed order.
Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
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