Canon CANOSCAN FB330 series User manual

COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
SERIES
OCT. 1999 JY8-1315-000
REVISION 0
SERVICE
MANUAL

COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
COPYRIGHT © 1999 CANON INC.
Printed in Japan
Imprimè au Japon
Use of this manual should be strictly supervised
to avoid disclosure of confidential information.

COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CanoScan FB330P F91-3511-200 AZA000000-
F91-3521-200 MZA000000-
F91-3541-200 DZA000000-
F91-3551-200 EZA000000-
F91-3561-200 FZA000000-
F91-3571-200 LZA000000-
F91-3581-200 JZA000000-
F91-3589-200 RZA000000-
F91-3591-200 KZA000000-
CanoScan FB630P F91-3611-100 AZB000000-
F91-3631-100 CZB000000-
F91-3641-100 DZB000000-
F91-3651-100 EZB000000-
F91-3661-100 FZB000000-
F91-3671-100 LZB000000-
F91-3611-200 AZC000000-
F91-3621-200 MZC000000-
F91-3631-200 CZC000000-
F91-3641-200 DZC000000-
F91-3651-200 EZC000000-
F91-3661-200 FZC000000-
F91-3671-200 LZC000000-
F91-3681-200 JZC000000-
F91-3689-200 RZC000000-
F91-3691-200 KZC000000-
CanoScan FB630U F91-3831-100 CZD000000-
F91-3841-100 DZD000000-
F91-3861-100 FZD000000-
F91-3871-100 LZD000000-
CanoScan FB636U F91-3812-100 AZE000000-
F91-3842-100 DZE000000-
F91-3872-100 LZE000000-
F91-3882-100 JZE000000-
F91-3892-100 KZE000000-
LIST OF SERIAL NUMBER

COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
PREFACE
This service manual contains the basic information necessary for servicing the FB330P/
FB630P/FB630U/FB636U image scanners.
The service manual consists of the following chapters.
Chapter 1: General Descriptions
Features, specifications, exterior features, installation, customer’s daily
maintenance
Chapter 2: Operation and Timing
Basic operation, optical system, image processing system, control system,
power supply
Chapter 3: Mechanical System
Externals, drive system, optical system, PCB
Chapter 4: Maintenance and Servicing
Periodical replacement parts, consumable parts durability, periodical
servicing, special tools, solvents and lubricants
Chapter 5: Troubleshooting
Introduction, troubleshooting, location of electrical parts, canon scanner test
Chapter 6: Parts Catalog
Appendix: General circuit diagram, main PCB circuit diagram
The information in this service manual is subject to change as the product is improved.
All relevant information in such cases will be provided by the service information bulletins.
A thorough understanding of the FB330P/FB630P/FB630U/FB636U, based on the service
manual and service information bulletins, is vital to the serviceman in maintaining the product
quality and performance, and in locating and repairing the cause of malfunctions.

COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CONTENTS
I. FEATURES ..................................... 1-1
II. SPECIFICATIONS ........................... 1-2
III. EXTERIOR FEATURES .................. 1-5
A. Front View ............................... 1-5
B. Rear View ................................. 1-5
IV. INSTALLATION .............................. 1-7
A. Preface ..................................... 1-7
B. Installation .............................. 1-8
C. Connecting to the Host
Computer ................................ 1-9
D. Scanning a Document........... 1-12
V. CUSTOMER’S DAILY MAINTENANCE .
............................................... 1-13
CHAPTER 2 : OPERATION AND TIMING
CHAPTER 1 : GENERAL DESCRIPTIONS
I. BASIC OPERATION ........................ 2-1
A. Functions ................................ 2-1
B. Outline of Electrical
System ..................................... 2-2
C. Main PCB Input and Output ... 2-4
D. Basic Sequences of CanoScan
FB330P/FB63OP ...................... 2-6
E. Basic Sequences of CanoScan
FB630U/FB636U ................... 2-19
II. OPTICAL SYSTEM ....................... 2-26
A. Outline .................................. 2-26
B. CanoScan FB330P/FB630P
Document Scanning Sequence
............................................... 2-27
C. CanoScan FB630U/FB636U
Document Scanning Sequence
............................................... 2-28
D. Contact Image Sensor ........... 2-29
E. Scanning Unit Drive Motor
Control Circuit ...................... 2-32
III. IMAGE PROCESSING SYSTEM .... 2-33
A. Outline .................................. 2-33
B. Image Processing
Functions .............................. 2-34
IV. CONTROL SYSTEM ..................... 2-38
A. CanoScan
FB330P/FB630P ..................... 2-38
B. CanoScan
FB630U/FB636U .................... 2-40
V. POWER SUPPLY ........................... 2-42
A. CanoScan
FB330P/FB630P ..................... 2-42
B. CanoScan
FB630U/FB636U .................... 2-43

COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
I. INTRODUCTION ............................. 5-1
A. Initial Check ............................ 5-1
B. Others ...................................... 5-1
II. TROUBLESHOOTING ..................... 5-2
A. Troubleshooting Image
Defects .................................... 5-2
B. Troubleshooting
Malfunctions ........................... 5-3
III. LOCATION OF ELECTRICAL
PARTS ............................................ 5-4
IV. CANON SCANNER TEST ................ 5-6
A. Outline .................................... 5-6
B. Canon Scanner Test for
CanoScan FB330P/FB630P ..... 5-6
C. Canon Scanner Test USB for
CanoScan FB630U/FB636U
............................................... 5-12
CHAPTER 5 : TROUBLESHOOTING
CHAPTER 4 : MAINTENANCE AND SERVICING
I. PERIODICAL REPLACEMENT
PARTS ............................................ 4-1
II. CONSUMABLE PARTS
DURABILITY .................................. 4-1
III. PERIODICAL SERVICING .............. 4-1
IV. SPECIAL TOOLS ............................ 4-1
V. SOLVENTS AND LUBRICANTS ...... 4-1
CHAPTER 3 : MECHANICAL SYSTEM
I. EXTERNALS .................................. 3-1
A. Covers ...................................... 3-1
II. DRIVE SYSTEM .............................. 3-7
A. Scanning Unit Drive Part ........ 3-7
III. OPTICAL SYSTEM ....................... 3-11
A. Contact Image Sensor ........... 3-11
IV. PCB .............................................. 3-15
A. Main PCB ............................... 3-15
B. Button PCB ........................... 3-17
CHAPTER 6 : PARTS CATALOG
CanoScan FB330P/CanoScanFB630P
................................................. 6-1
CanoScan FB630U/CanoScan FB636U
................................................. 6-7

COPYRIGHT © 1999 CANON INC. CANOSCAN FB330/FB630 SERIES REV.0 OCT. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
APPENDIX
I. GENERAL CIRCUIT DIAGRAM
(CanoScan FB330P/FB630P) ......... A-1
II. GENERAL CIRCUIT DIAGRAM
(CanoScan FB630U/FB636U) ........ A-2
III. MAIN PCB CIRCUIT DIAGRAM
(CanoScan FB330P) ...................... A-3
IV. MAIN PCB CIRCUIT DIAGRAM
(CanoScan FB630P) ...................... A-8
V. MAIN PCB CIRCUIT DIAGRAM
(CanoScan FB630U/FB636U) ...... A-13