OKI ML521 Manual de usuario Pagina 49

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Service Guide ML520/521
Chapter 2 Principles of Operation
Line Feed Motor Control
The SP/LF motor driver (Location 5A: MHM2025) drives the line feed motor in two-phase bipolar, based
on the phase changeover data output from the LSI.
The serial data from the LSI (04B: MSM79V035) is processed by a register contained in the SP/LF motor
driver to measure the overdrive time and to change the phase.
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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