COPYRIGHT © 1999 CANON INC.
CANON NP6320 REV.0 DEC. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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This Service Manual contains basic data and figures for the NP6320 needed to
service the machine in the field.
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 operational
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 ahd 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 tranfer
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 problems identification (image fault/malfunction).
Appendix contains diagrams showing electrical parts arrangement, tables of
signals, tables of special tools, tables of solvents/oils, and a general timing
chart.
The descriptions in this Service Manual are subject to change without notice for
product improvement or other purposes, and major changes will be communicated in the
from of Service Information bulletins.
All service persons are expected to have a good understanding of the contents of this
Service Manual and all relevant Service Information bulletins and be able to identify and
isolate faults in the machine.
INTRODUCTION
