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Service Guide ML520/521

Chapter 4 Failure & Repair Analysis

4.9RESISTANCE CHECKS 4.9.01 General Description

The charts on the following pages provide information needed to determine if the printhead and motors used in the printer are defective.

NOTE:

The printhead coil resistance values ARE NOT LISTED.

The individual printwire control lines CANNOT be accessed on this printhead.

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)

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Oki ML521 manual Service Guide ML520/521