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Service Guide ML520/521
Chapter 3 Maintenance & Disassembly
3.1.01 General Information
This section lists the parts replacement, adjustment, cleaning, lubrication, and shipping procedures.
Disassembly should not be performed unless absolutely necessary. NEVER perform disassembly on a
malfunctioning printer until you have followed the failure analysis procedures in Section Four of this
Service Handbook.
Follow the procedures listed in
Adjustments and Service Settings
. Adjustments may be required when
either consumable or parts are replaced. Failure to perform these procedures could result in unnecessary
service calls.
Proper performance of maintenance and cleaning will help to achieve the best possible print quality from
the printer.
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)
