CANON NP7161 Service Manual

Cover page of CANON NP7161 Service Manual

Service Manual for CANON NP7161, downloadable as a PDF file.

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COPYRIGHT © 1998 CANON INC.
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
FY8-13FB-000
AUG. 1998
SERVICE
MANUAL
REVISION 0
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COPYRIGHT © 1998 CANON INC.
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
FY8-13FB-000
AUG. 1998
SERVICE
MANUAL
REVISION 0
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COPYRIGHT © 1998 CANON INC.
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
IMPORTANT
THIS DOCUMENTATION IS PUBLISHED BY CANON INC., JAPAN, TO SERVE AS A SOURCE OF
REFERENCE FOR WORK IN THE FIELD.
SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY VARY SLIGHTLY FROM
ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.
ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE
COPIER SERVICE DEPARTMENT OF THE SALES COMPANY.
THIS DOCUMENTATION IS INTENDED FOR ALL SALES AREAS, AND MAY CONTAIN INFORMATION
NOT APPLICABLE TO CERTAIN AREAS.
COPYRIGHT © 1998 CANON INC.
Printed in Japan
Imprimé au Japon
Use of this manual should be
strictly supervised to avoid
disclosure of confidential
information.
Prepared by
OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT. 1
OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV.
CANON INC.
5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501, Japan
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COPYRIGHT © 1998 CANON INC.
CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
i
INTRODUCTION
This Service Manual contains basic facts and figures on the NP7161/NP7160
needed to service the machine in the field.
This copier is designed to enable full automatic copying work, and comes with the
following systems accessories:
1. ADF-G1*
2. Staper Sorter-L1*
3. MS-C1*
4. Cassette Feeding Module-C1
* NP7161 only.
This Service Manual covers the copier only, and consists of the following chapters:
Chapter 1
General Description introduces the copier's features and specifications,
shows how to operate the copier, and explains how copies are made.
Chapter 2
Basic Operation provides outlines of the copier's various mechanical
workings.
Chapter 3
Exposure System discusses the principles of operation used for the
copier's lens drive unit and scanner drive unit. It also explains the timing at
which these drive units are operated, and shows how they may be
disassembled/assembled and adjusted.
Chapter 4
Image Formation System discusses the principles of how images are
formed. It also explains the timing at which the various units involved in
image formation are operated, and shows how they may be disassembled/
assembled and adjusted.
Chapter 5
Pick-Up/Feeding System explains the principles used from when copy
paper is picked up to when a copy is delivered in view of the functions of
electrical and mechanical units and in relation to their timing of operation. It
also shows how these units may be disassembled/assembled and
adjusted.
Chapter 6
Fixing System explains the principles used to fuse toner images to transfer
media in view of the functions of electrical and mechanical units and in
relation to their timing of operation. It also shows how these units may be
disassembled/assembled and adjusted.
Chapter 7
Externals/Auxiliary Mechanisms shows the copier's external parts, and
explains the principles used for the copier's various control mechanisms in
view of the functions of electrical and mechanical units and in relation to
their timing of operation. It also shows how these units may be
disassembled/assembled and adjusted.
Chapter 8
Installation introduces requirements for the site of installation, and shows
how the copier may be installed using step-by-step instructions.
Chapter 9
Maintenance and Servicing provides tables of periodically replaced parts
and consumables/durables and scheduled servicing charts.
Chapter 10 Troubleshooting provides tables of maintenance/inspection, standards/
adjustments, and problem identification (image fault/malfunction).
Appendix contains a general timing chart and general circuit diagrams.

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