Canon Duplex Unit-A1 User manual

Sep 14 2005

Portable Manual

Duplex unit

Duplex Unit-A1

Application

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.

Corrections

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 contents 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 edition

of this manual.

The following paragraph does not apply to any countries where such provisions are inconsistent with local law.

Trademarks

The product names and company names used in this manual are the registered trademarks of the individual companies.

translated into another language, in whole or in part, without the written consent of Canon Inc.

Printed in Japan

Caution

Use of this manual should be strictly supervised to avoid disclosure of confidential information.

Introduction

Symbols Used

This documentation uses the following symbols to indicate special information:

Symbol Description

Indicates an item of a non-specific nature, possibly classified as Note, Caution, or Warning.

Indicates an item requiring care to avoid electric shocks.

Indicates an item requiring care to avoid combustion (fire).

Indicates an item prohibiting disassembly to avoid electric shocks or problems.

Indicates an item requiring disconnection of the power plug from the electric outlet.

Indicates an item intended to provide notes assisting the understanding of the topic in question.

Indicates an item of reference assisting the understanding of the topic in question.

Provides a description of a service mode.

Provides a description of the nature of an error indication.

Memo

REF.

Introduction

The following rules apply throughout this Service Manual:

1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with refer-

ence to the timing of operation.

In the diagrams, represents the path of mechanical drive; where a signal name accompanies the symbol , the arrow indicates the

direction of the electric signal.

The expression "turn on the power" means flipping on the power switch, closing the front door, and closing the delivery unit door, which results in

supplying the machine with power.

2. In the digital circuits, '1'is used to indicate that the voltage level of a given signal is "High", while '0' is used to indicate "Low".(The voltage value, how-

ever, differs from circuit to circuit.) In addition, the asterisk (*) as in "DRMD*" indicates that the DRMD signal goes on when '0'.

In practically all cases, the internal mechanisms of a microprocessor cannot be checked in the field. Therefore, the operations of the microprocessors

used in the machines are not discussed: they are explained in terms of from sensors to the input of the DC controller PCB and from the output of the

DC controller PCB to the loads.

The descriptions in this Service Manual are subject to change without notice for product improvement or other purposes, and major changes will be com-

municated in the form 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."

Contents

Chapter 1 Maintenance and Inspection

1.1 Periodically Replaced Parts ...............................................................................................................................1

1.1.1Periodically Replaced Parts .........................................................................................................................1

1.2 Durables ................................................................................................................................................................1

1.2.1Durables ..........................................................................................................................................................1

1.3 Periodical Servicing.............................................................................................................................................1

1.3.1Periodical Servicing Items ............................................................................................................................1

Chapter 2 Error Code

2.1 Service Error Code ..............................................................................................................................................3

2.1.1Error Code list ................................................................................................................................................3

Chapter 3 Outline of Components

3.1 Outline of Electrical Components......................................................................................................................5

3.1.1Outline of Electrical Components................................................................................................................5

Chapter 4 System Construction

4.1 Basic Construction...............................................................................................................................................7

4.1.1Outline .............................................................................................................................................................7

4.2 Product Specifications ........................................................................................................................................7

4.2.1Specifications .................................................................................................................................................7

Chapter 1

Chapter 1 Maintenance and Inspection

1.1 Periodically Replaced Parts

1.1.1 Periodically Replaced Parts

0010-4350

This machine has no periodically replaced parts.

1.2 Durables

1.2.1 Durables

0010-4351

This machine has no durables.

1.3 Periodical Servicing

1.3.1 Periodical Servicing Items

0010-4353

This machine has no periodical servicing items.

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