Canon fb1210u サービスマニュアル

Canon

COPYRIGHT

©

2000 CANON INC. CANOSCAN FB1210U REV.0 APR. 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)

CONTENTS

SPECIFICATIONS ....................... 1-1

II.

PARTS CONFIGURATION ........... 1-2

A. Front View .......................... 1-2

B. Rear View ............................ 1-2

III. SETTING UP THE SCANNER ...... 1-3

A. Precautions ......................... 1-3

CHAPTER 2 : OPERATION AND TIMING

CHAPTER 1 : GENERAL DESCRIPTIONS

BASIC OPERATION .................... 2-1

A. Functions ............................ 2-1

B. Electrical System ................ 2-2

C. Main PCB Input and Output . 2-4

D. Basic Sequences of Operations

........................................... 2-5

II.

OPTICAL SYSTEM ..................... 2-7

A. Scanning Lamp .................... 2-8

B. Motor Control ..................... 2-9

III. IMAGE PROCESSING ............... 2-10

A. Outline .............................. 2-10

B. Image Processing ............... 2-11

C. Calibration ........................ 2-13

D. Filter Processing ............... 2-14

E. Interpolation Processing .... 2-15

Averaging .......................... 2-16

G. Binary Processing .............. 2-17

H. Image Inversion

(negative/positive) ............ 2-18

IV. CONTROL SYSTEM .................. 2-19

A. Control System Diagram .... 2-19

B. Main PCB .......................... 2-19

INTERFACE ............................. 2-20

A. Overview of the USB Standard

......................................... 2-20

B. Benefits of the USB Scanner

......................................... 2-20

C. Signal Definitions .............. 2-21

D. Interface Connection ......... 2-21

VI. POWER SUPPLY ....................... 2-22

B. Unlocking the Scanning Unit 1-4

C. Connecting the Cables ......... 1-5

D. Scanning a Document .......... 1-6

IV. CUSTOMER’S DAILY MAINTENANCE

........................................... 1-7