Canon PC430 Service Manual - Page 5

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CONTENTS CHAPTER 1 GENERAL DESCRIPTION I. FEATURES 1-1 II. SPECIFICATIONS 1-2 III. NAMES OF PARTS 1-4 A. External View 1-4 B. Cross Section 1-5 IV. OPERATION 1-6 A. Control Panel 1-6 1. PC420/430/FC220 1-6 2. PC400/FC200 1-7 B. Making Copies 1-8 C. Jam Indicator 1-11 D. Add Paper Indicator 1-11 E. Replacing the Cartridge ........1-11 1. Time to Replace the Cartridge 1-11 2. Replacing the Cartridge ...1-12 F. Changing the Density ...........1-14 G. Cleaning 1-14 1. Copyboard Glass/Copyboard Cover 1-14 2. Lens Array 1-15 3. Pick-Up Roller 1-16 H. When Not Using the Copier for a Long Time 1-16 V. IMAGE FORMATION 1-17 A. Outline 1-17 CHAPTER 2 BASIC OPERATION I. BASIC OPERATION 2-1 A. Outline 2-1 B. Outline of Electrical Circuit......2-2 C. Basic Sequence of Operations (A4, 2 copies 2-3 D. Main Motor Control Circuit ......2-5 1. Outline 2-5 2. Operation 2-5 3. Overcurrent Sensor ...........2-5 E. Inputs to DC Controller ...........2-6 1. Inputs to DC Controller (1/2 2-6 2. Inputs to DC Controller (2/2 2-7 F. Outputs from DC Controller ....2-8 1. Outputs from DC Controller (1/2 2-8 2. Outputs from DC Controller (2/2 2-9 CHAPTER 3 EXPOSURE SYSTEM I. EXPOSURE/COPYBOARD DRIVE ON and OFF 3-8 SYSTEM 3-1 2. Controlling the Intensity of the A. Outline of Exposure System ...3-1 Scanning Lamp 3-8 B. Copyboard Drive System........3-1 C. Controlling the Intensity of the 1. Outline 3-1 Scanning Lamp (VR604) ........3-8 2. Controlling the Copyboard III. MECHANICAL SYSTEM 3-9 Drive 3-3 A. Scanning System 3-10 3. Mechanism of Copyboard 1. Detaching the Scanning Lamp Drive Assembly 3-4 Unit 3-10 II. Controlling the Scanning Lamp....3-7 B. Copyboard Drive Assembly...3-11 A. Outline 3-7 1. Detaching the Copyboard B. Operations 3-8 Drive Assembly 3-11 1. Turning the Scanning Lamp COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON) iii

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COPYRIGHT © 1998 CANON INC.
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
iii
CONTENTS
CHAPTER 1
GENERAL DESCRIPTION
I.
FEATURES
..................................
1-1
II.
SPECIFICATIONS
.......................
1-2
III.
NAMES OF PARTS
.....................
1-4
A.
External View
..........................
1-4
B.
Cross Section
.........................
1-5
IV.
OPERATION
................................
1-6
A.
Control Panel
..........................
1-6
1.
PC420/430/FC220
.............
1-6
2.
PC400/FC200
....................
1-7
B.
Making Copies
........................
1-8
C.
Jam Indicator
.........................
1-11
D.
Add Paper Indicator
..............
1-11
E. Replacing the Cartridge
........
1-11
1.
Time to Replace the Cartridge
.........................................
1-11
2.
Replacing the Cartridge...1-12
F.
Changing the Density
...........
1-14
G.
Cleaning
................................
1-14
1.
Copyboard Glass/Copyboard
Cover
...............................
1-14
2.
Lens Array
.......................
1-15
3.
Pick-Up Roller
..................
1-16
H.
When Not Using the Copier for a
Long Time
.............................
1-16
V.
IMAGE FORMATION
.................
1-17
A. Outline
.....................................
1-17
CHAPTER 2
BASIC OPERATION
I.
BASIC OPERATION
....................
2-1
A.
Outline
....................................
2-1
B.
Outline of Electrical Circuit
......
2-2
C.
Basic Sequence of Operations
(A4, 2 copies)
..........................
2-3
D.
Main Motor Control Circuit
......
2-5
1.
Outline
...............................
2-5
2.
Operation
...........................
2-5
3.
Overcurrent Sensor
...........
2-5
E.
Inputs to DC Controller
...........
2-6
1.
Inputs to DC Controller (1/2)
...........................................
2-6
2.
Inputs to DC Controller (2/2)
...........................................
2-7
F.
Outputs from DC Controller
....
2-8
1.
Outputs from DC Controller
(1/2)
...................................
2-8
2.
Outputs from DC Controller
(2/2)
...................................
2-9
CHAPTER 3
EXPOSURE SYSTEM
I.
EXPOSURE/COPYBOARD DRIVE
SYSTEM
......................................
3-1
A.
Outline of Exposure System ...3-1
B.
Copyboard Drive System
........
3-1
1.
Outline
...............................
3-1
2.
Controlling the Copyboard
Drive
..................................
3-3
3.
Mechanism of Copyboard
Drive Assembly
..................
3-4
II.
Controlling the Scanning Lamp
....
3-7
A.
Outline
....................................
3-7
B.
Operations
..............................
3-8
1.
Turning the Scanning Lamp
ON and OFF
......................
3-8
2.
Controlling the Intensity of the
Scanning Lamp
..................
3-8
C.
Controlling the Intensity of the
Scanning Lamp (VR604)
........
3-8
III.
MECHANICAL SYSTEM
..............
3-9
A.
Scanning System
..................
3-10
1.
Detaching the Scanning Lamp
Unit
..................................
3-10
B.
Copyboard Drive Assembly...3-11
1.
Detaching the Copyboard
Drive Assembly
................
3-11