Canon PC890 用户手册

Canon

COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

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CONTENTS

CHAPTER 1 GENERAL DESCRIPTION

CHAPTER 2 BASIC OPERATION

CHAPTER 3 EXPOSURE SYSTEM

FEATURES ..................................1-1

SPECIFICATIONS .......................1-2
A.

Copier ....................................1-2

ADF .......................................1-8

III. NAMES OF PARTS ................... 1-10

External View ..................... 1-10

Cross Section ..................... 1-13

IV. USING THE MACHINE ............. 1-15

Control Panel ...................... 1-15

ROUTINE MAINTENANCE
BY THE USER .......................... 1-17

VI. IMAGE FORMATION ................ 1-20

Outline ................................ 1-20

BASIC OPERATIONS ..................2-1
A.

Functional Construction ........2-1

Outline of Electrical
Circuitry .................................2-2

C. Basic Sequence of

Operations .............................2-3

Controlling the Main Motor
(M1) .......................................2-5

Inputs to and Outputs from
the DC Controller ..................2-7

OPERATIONS ..............................3-1
A.

Outline ...................................3-1

Varying the Reproduction
Ratio ......................................3-2

C. Lens Drive System ................3-3
D.

Scanner Drive System ..........3-4

EXPOSURE SYSTEM .................3-9

Controlling the Scanning
Lamp .....................................3-9

III. DISASSEMBLY/ASSEMBLY ..... 3-12

Scanner Drive Assembly .... 3-13

Lens Drive Assembly ......... 3-31

C. Exposure System ............... 3-37