Canon A-1 User manual

Oct 25 2004
Service Manual
Finisher, Sorter, DeliveryTray
3 Way 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.
Copyright
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 Canon Inc.
COPYRIGHT © 2001 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 reference 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, however, 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 communicated 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
Contents
Chapter 1 Specifications
1.1 Product Specifications....................................................................................................................................... 1- 1
1.1.1 Specifications ............................................................................................................................................. 1- 1
1.2 Names of Parts................................................................................................................................................... 1- 3
1.2.1 External View............................................................................................................................................. 1- 3
1.2.2 Cross Section.............................................................................................................................................. 1- 4
Chapter 2 Functions
2.1 Basic Construction ............................................................................................................................................ 2- 1
2.1.1 Basic Construction ..................................................................................................................................... 2- 1
2.2 Basic Operation................................................................................................................................................. 2- 3
2.2.1 Delivery to the No. 1 Delivery Slot............................................................................................................ 2- 3
2.2.2 Delivery to the No. 2 Delivery Slot............................................................................................................ 2- 4
2.2.3 Delivery to the No. 3 Delivery Slot............................................................................................................ 2- 5
2.2.4 Movement of Paper in Duplex Mode......................................................................................................... 2- 6
2.3 Detecting Jams .................................................................................................................................................. 2- 7
2.3.1 Arrangement of Sensors............................................................................................................................. 2- 7
2.3.2 Delay Jam................................................................................................................................................... 2- 7
2.3.3 Stationary Jam............................................................................................................................................ 2- 8
2.3.4 Stationary Jam and Cover Open Jam at Power-On.................................................................................... 2- 8
Chapter 3 Parts Replacement Procedure
3.1 Removing from the Host Machine.................................................................................................................... 3- 1
3.1.1 3 Way Unit.................................................................................................................................................. 3- 1
3.2 Drive System..................................................................................................................................................... 3- 4
3.2.1 Delivery Motor 2......................................................................................................................................... 3- 4
3.2.2 Delivery Motor 3......................................................................................................................................... 3- 6
3.3 Document Feeding System..............................................................................................................................3- 10
3.3.1 Delivery Roller 2.......................................................................................................................................3- 10
3.3.2 Reversing Roller .......................................................................................................................................3- 13
3.3.3 Delivery Roller 3.......................................................................................................................................3- 16
3.3.4 Duplexing Inlet Roller ..............................................................................................................................3- 20
3.3.5 Inlet Roller ................................................................................................................................................3- 22
3.4 Electrical System............................................................................................................................................. 3- 27
3.4.1 Delivery Sensor 2......................................................................................................................................3- 27
3.4.2 Delivery Tray 2 Paper Level Sensor......................................................................................................... 3- 30
3.4.3 Reversal Sensor.........................................................................................................................................3- 33
3.4.4 Duplexing Inlet Sensor ............................................................................................................................3- 35
3.4.5 Delivery Sensor 3...................................................................................................................................... 3- 38
3.4.6 Delivery Solenoid 1 ..................................................................................................................................3- 40
3.4.7 Delivery Solenoid 2 ..................................................................................................................................3- 41
3.4.8 Delivery Solenoid 3 ..................................................................................................................................3- 41
3.4.9 3 Way Unit Controller PCB......................................................................................................................3- 42

Contents
Chapter 4 Maintenance
4.1 Maintenance and Inspection..............................................................................................................................4- 1
4.1.1 Periodically Replaced Parts.........................................................................................................................4- 1
4.1.2 Durables ......................................................................................................................................................4- 1
4.1.3 Periodical Servicing ....................................................................................................................................4- 1
4.2 Outline of Electrical Components .....................................................................................................................4- 2
4.2.1 Electrical Components................................................................................................................................4- 2

Chapter 1 Specifications

Contents
Contents
1.1 Product Specifications....................................................................................................................................... 1- 1
1.1.1 Specifications ............................................................................................................................................. 1- 1
1.2 Names of Parts................................................................................................................................................... 1- 3
1.2.1 External View............................................................................................................................................. 1- 3
1.2.2 Cross Section.............................................................................................................................................. 1- 4

Chapter 1
1-1
1.1 Product Specifications
1.1.1 Specifications 0007-4886
T-1-1
- Number of Sheets in a Stack
1) A4, B5, A5R
T-1-2
Item Specifications
Number of bins 3
No. 1 delivery slot: inside tray of host machine
No. 2 delivery slot: 1 bin (optional)
No. 3 delivery slot: outside machine (optional)
Stacking method Face-down
Paper
type
No. 1/2
delivery
slot
plain paper (64 to 80 g/m2)
heavy paper (81 to 128 g/m2)
recycled paper, eco paper
postcard (A6R non-default; postcard, 4-pane postcard)
envelope (Monarch, DL, ISO-B5, ISO-C5)
transparency, tracing paper
No.3
delivery
slot
plain paper (64 to 80 g/m2)
recycled paper, eco paper
Paper size A3/LDR to B5R
Power supply none (24 VDC from host machine)
Dimensions 176 x 546 x 151 mm (WxDxH)
Weight 3.9 kg
No. 1
delivery slot
No. 2
delivery slot
No. 3
delivery slot
Plain paper 64g/m2 250 sheets 100 sheets 150 sheets
75g/m2 250 sheets 100 sheets 150 sheets
80g/m2 250 sheets 100 sheets 150 sheets
Heavy paper 90g/m2 120 sheets 45 sheets -
128g/m2 120 sheets 45 sheets -

Chapter 1
1-2
2) SRA 3, 12'X18", A3, B4, A4R, B5R
T-1-3
Special
paper
label sheet 50 sheets 20 sheets -
transparency 50 sheets 20 sheets -
envelope 10 sheets 4 sheets -
tracing paper 50 sheets 20 sheets -
postcard 50 sheets 20 sheets -
No. 1
delivery slot
No. 2
delivery slot
No. 3
delivery slot
plain paper 64g/m2 100 sheets 50 sheets 75 sheets
75g/m2 100 sheets 50 sheets 75 sheets
80g/m2 100 sheets 50 sheets 75 sheets
Heavy paper 90g/m2 60 sheets 20 sheets -
128g/m2 60 sheets 20 sheets -
Special
paper
label sheet - - -
transparency - - -
envelope - - -
Tracing paper 25 sheets 10 sheets -
Postcard - - -
No. 1
delivery slot
No. 2
delivery slot
No. 3
delivery slot

Chapter 1
1-3
1.2 Names of Parts
1.2.1 External View 0007-6248
F-1-1
[1] No. 2 delivery motor
[2] No. 3 delivery motor
[3] Extension delivery kit controller PCB
[4] No. 3 delivery tray (optional: Copy Tray-J1)
[5] Reversal slot
[6] Reversing guide
[7] No. 2 delivery tray (optional: Inner 2-Way Tray-D1)
[1]
[2] [3]
[7]
[4]
[5]
[6]
No.1 delivery slot
No.2 delivery slot
No.3 delivery slot

Chapter 1
1-4
1.2.2 Cross Section 0007-6130
F-1-2
[1] Reversing guide
[2] Reversing roller
[3] Reversal sensor
[4] Duplexing flapper
[5] No. 3 delivery flapper
[6] No. 3 delivery sensor
[7] No. 3 delivery roller
[8] No. 3 delivery tray (optional: Copy Tray-J1)
[9] Duplex inlet roller
[10] Duplex inlet sensor
[11] No. 2 delivery flapper
[12] No. 2 delivery inlet roller
[13] No. 1 delivery flapper
[14] No. 2 delivery sensor
[15] No. 2 delivery roller
[16] No. 2 delivery tray full sensor
[17] No. 2 delivery tray (optional: Inner 2-Way Tray-D1)
[1] [2] [3] [4] [5] [6] [7]
[8]
[9]
[10][11][12][13][14][15][16][17]
No.1 delivery slot
No.2 delivery slot No.3
delivery slot

Chapter 2 Functions

Contents
Contents
2.1 Basic Construction ............................................................................................................................................ 2- 1
2.1.1 Basic Construction ..................................................................................................................................... 2- 1
2.2 Basic Operation................................................................................................................................................. 2- 3
2.2.1 Delivery to the No. 1 Delivery Slot............................................................................................................ 2- 3
2.2.2 Delivery to the No. 2 Delivery Slot............................................................................................................ 2- 4
2.2.3 Delivery to the No. 3 Delivery Slot............................................................................................................ 2- 5
2.2.4 Movement of Paper in Duplex Mode......................................................................................................... 2- 6
2.3 Detecting Jams .................................................................................................................................................. 2- 7
2.3.1 Arrangement of Sensors............................................................................................................................. 2- 7
2.3.2 Delay Jam................................................................................................................................................... 2- 7
2.3.3 Stationary Jam............................................................................................................................................ 2- 8
2.3.4 Stationary Jam and Cover Open Jam at Power-On.................................................................................... 2- 8