Page: 151
Service Guide ML520/521
Chapter 4 Failure & Repair Analysis
4.9 RESISTANCE 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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