CANON ADF GP605 Service Manual

Cover page of CANON ADF GP605 Service Manual

Service Manual for CANON ADF GP605, downloadable as a PDF file.

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COPYRIGHT © 1999 CANON INC.
CANON ADF FOR GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
FY8-13FE-000
REVISION 0
JAN. 1999
SERVICE
MANUAL
ADF FOR
GP605/605V
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COPYRIGHT © 1999 CANON INC.
CANON ADF FOR GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
FY8-13FE-000
REVISION 0
JAN. 1999
SERVICE
MANUAL
ADF FOR
GP605/605V
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COPYRIGHT © 1999 CANON INC.
CANON ADF FOR GP605/605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
COPYRIGHT
1999 CANON INC.
Printed in Japan
Use of this manual should be strictly
supervised to avoid disclosure of confi-
dential information.
Imprimé au Japon
THE
INFORMATION
CONTAINED
HEREIN IS PUBLISHED
BY
CANON,
INC.,
JAPAN.
SPECIFICATIONS AND OTHER INFORMATION CONTAINED HEREIN MAY DIFFER SLIGHTLY FROM
ACTUAL MACHINE VALUES OR THOSE FOUND IN ADVERTISING AND OTHER PRINTED MATTER.
ANY QUESTIONS REGARDING INFORMATION CONTAINED HEREIN SHOULD BE DIRECTED TO THE
COPIER SERVICE DEPARTMENT OF THE COMPANY.
IMPORTANT
Prepared by
OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION
5-1, Hakusan 7-chome, Toride, Ibaraki, 302-8501 Japan
CANON INC.
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COPYRIGHT © 1999 CANON INC.
CANON ADF FOR GP605/GP605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
i
INTRODUCTION
This Service Manual contains basic data and figures on the ADF for the GP605/605V
needed to service the machine in the field.
CHAPTER 1 General Description introduces the ADF's features and specifications,
and shows how to operate the ADF.
CHAPTER 2 Basic Operation provides outlines of the ADF's various mechanical
workings, and explains the principles used for the ADF's various control mechanisms in
view of the functions of electrical and mechanical units and in relation to their timing of
operation.
CHAPTER 3 Mechanical System shows how the ADF's various mechanical workings
are constructed, and how the ADF may be disassembled/assembled and adjusted.
CHAPTER 4 Maintenance and Servicing provides tables of periodically replaced parts
and consumables/durables and scheduled servicing charts.
CHAPTER 5 Troubleshooting provides tables of maintenance/inspection, standards/
adjustments, and problem identification (image fault/malfunction).
APPENDIX contains a general timing chart and general circuit diagrams.
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.
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COPYRIGHT © 1999 CANON INC.
CANON ADF FOR GP605/GP605V REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 1 GENERAL DESCRIPTION
I . FEATURES ................................... 1-1
II . SPECIFICATIONS ....................... 1-2
A.
ADF for GP605/GP605V ....... 1-2
III . NAMES OF PARTS .................... 1-4
A.
External View ......................... 1-4
B.
Cross Section ........................ 1-5
IV . OPERATION .............................. 1-6
A.
Original Set Indicator ............. 1-6
B.
Warnings and Actions to Take
............................................... 1-6
C. Routine Maintenance by the User
............................................... 1-7
CONTENTS
CHAPTER 2 OPERATIONS
I . BASIC CONSTRUCTION ............. 2-1
A.
Electrical Circuitry .................. 2-1
B.
Communication with the Copier
............................................... 2-1
C. Inputs to the ADF Controller PCB
............................................... 2-2
D. Outputs from the ADF Controller
PCB ........................................ 2-4
II . BASIC OPERATIONS ................. 2-5
A.
Outline .................................... 2-5
B.
Operations ............................. 2-8
1.
Outline .............................. 2-8
2.
CWW Pickup/Delivery ...... 2-8
3.
Pre-Reversal Pickup,
Reversal, Delivery (small-size
original) ............................. 2-9
4.
Reversal Pickup, Reversal,
Delivery (large-size original)
........................................ 2-11
5.
Manual Feeder Pickup/
Delivery ........................... 2-13
C. Detecting an Original ........... 2-14
1.
Outline ............................ 2-14
2.
Detecting the Presence/
Absence of an Original ... 2-15
3.
Original Size Detection 1
........................................ 2-16
4.
Original Size Detection 2
........................................ 2-17
5.
Pre-Last Original Detection
........................................ 2-22
6.
Detecting the Presence/
Absence of an Original in the
Manual Feed Assembly .. 2-23
D. Original Pickup/Separation .. 2-24
1.
Outline ............................ 2-24
2.
Moving Up/Down the Pickup
Roller Units ..................... 2-25
3.
Switching the Separation
Pressure ......................... 2-28
4.
Separation Sensor (S4),
Skew Sensor (S5) ........... 2-29
5.
Controlling the Pickup Motor
(M3) ................................. 2-31
6.
Controlling the Separation
Motor (M4) ...................... 2-32
7.
Sequence of Operations
........................................ 2-33
E.
Feeding/Delivering Originals
............................................. 2-34
1.
Outline ............................ 2-34
2.
Controlling the Belt Motor
(M2) ................................. 2-35
3.
Controlling the Delivery Motor
(M5) ................................. 2-36
F.
CW Rotation Pickup/Delivery
............................................. 2-37
1.
Outline ............................ 2-37
2.
Fixing Reading Mode ...... 2-37
3.
Stream Reading .............. 2-46
G. Pre-Reversal Pickup/Delivery
............................................. 2-55
1.
Outline ............................ 2-55
2.
Operation ........................ 2-55
H. Reversal Pickup/Delivery ..... 2-61
1.
Outline ............................ 2-61
2.
Operation ........................ 2-61

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