This electronic version of the MultiPASS C3000 Service Manual was
known to be accurate at the time of publication. Every effort has been
made to reduce any technical inaccuracies, typographical errors, omis-
sions, etc., in this publication. Canon Computer Systems, Inc. and Canon
Inc. are not responsible for any damage resulting from these errors.
This electronic service manual was produced with the consent of Canon
Inc. for the purpose of training and personal use only. Other use of the
information contained herein is strictly prohibited.
This publication is copyrighted with all rights reserved. Under the copy-
right laws, this manual may not be copied, reproduced or translated into
another language, in whole or in part, without the written consent of
Copyright © 1997 by Canon Inc.
This manual has been issued by Canon Inc. for qualified persons to learn technical theory, installation,
maintenance, and repair of products. This manual covers all localities where the products are sold. For this
reason, there may be information in this manual that does not apply to your locality.
This manual may contain technical inaccuracies or typographical errors due to improvements or changes in
products. When changes occur in applicable products or in the content of this manual, Canon will release
technical information as the need arises. In the event of major changes in the contents of this manual over a
long or short period, Canon will issue a new editions of this manual.
The following paragraph does not apply to any countries where such provisions are
inconsistent with local law.
The product names and company names described in this manual are the registered trademarks of the
This manual is copyrighted with all rights reserved. Under the copyright laws, this manual may not be
copied, reproduced or translated into another language, in whole or in part, without the written consent of
© 1997 by Canon Inc.
Office Imaging Products Technical Support Dept. 2
5-1 Hakusan 7-Chome, Toride-city, Ibaraki 302, Japan
This manual was produced on an Apple Macintosh® personal computer, final pages were printed on Canon
SUPER LASER SHOT B406 PS.
All graphics were produced with Aldus FreeHand®.
All documents and all page layouts were created with QuarkXPress®.
I. MEANING OF MARKS
The marks used in this manual have the following meanings.
States a precaution to be taken to prevent danger to personnel, damage to
the product, or damage to electronic components by discharge of static
electricity. for example.
States a precaution to be taken to prevent damage to electronic components
by electrostatic discharge.
Informs you of fire-related cautions.
Informs you that the plug must be removed from the power outlet before
starting an operation.
Gives useful information to understand descriptions.
Indicates sections to be read to obtain more detailed information.
II. ABOUT THIS MANUAL
This manual is divided into five parts, and contains information required for servicing the
Part 1: Facsimile
This section describes the facsimile function of the respective product.
Part 2: Printer
This section describes the printer function of the respective product.
Each of the above parts is further divided into the following four chapters:
Chapter 1: General Description
This part explains product specifications and the how to service the unit safely. It is very
important, so please read it.
Chapter 2: Technical Reference
This part explains the technical theory of the product.
Chapter 3: Maintenance and Service
This part explains how to maintain the products for adjustment and troubleshooting and
service operations and service switches.
Chapter 4: Appendix
This part explains the informations of the optional products and user data flow.
· For more details of user operations and user reports, see the separate volume
of USER'S GUIDE.
· Procedure for assembly/disassembly and greasing points are not given in this
manual. See the illustrations in the separate volume of PARTS CATALOG.
· Detailed description of each SSSW/parameter is not given in this manual
except the new SSSWs/parameters added to this model.
See G3 Facsimile Service Data Handbook (supplied separately) for details
· See the G3 Facsimile Error Code List (Rev.1, supplied separately) for details of
the error codes not shown in this manual.
· Detailed description of connector Locations and Signal Descriptions in not
given in this manual.
See the Circuit Diagram for details them.