Canon NP6251 Service Manual page 3

This Service Manual contains basic data and figures on the plain paper copier
NP6350/NP6251 needed to service the machine in the field.
The NP6350/NP6251 is designed to enable full automatic copying work, and comes
with the following systems accessories:
1. Stapler Sorter-E2
2. RDF-D1
3. Paper Deck-A1
4. Sorter-G1
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 Paper Deck-A1 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 9 Installation introduces requirements for the site of installation, and shows
how the copier may be installed using step-by-step instructions.
Chapter 10 Maintenance and Servicing provides tables of periodically replaced parts
and consumables/durables and scheduled servicing charts.
COPYRIGHT © 1997 CANON INC.
INTRODUCTION
CANON NP6350/NP6251 REV.0 JULY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)
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