Canon 1120 Service Manual page 7

CHAPTER 1 GENERAL DESCRIPTION
I. FEATURES..................................1-1
II. SPECIFICATIONS .......................1-2
A. Type ........................................1-2
B. System ...................................1-2
C. Functions................................1-3
D. Others ....................................1-4
E. Default Ratios.........................1-4
F. Copying Speed ......................1-5
G. CLC Paper Deck-E1...............1-6
III. NAMES OF PARTS ....................1-7
A. External View .........................1-7
B. Cross Section .........................1-9
IV. USING THE COPIER ............... 1-12
A. Control Panel ...................... 1-12
B. Extended Functions ............ 1-13
CHAPTER 2 BASIC OPERATION
I. OUTLINE OF OPERATIONS ......2-1
A. Functional Construction .........2-1
B. Electrical Circuitry ..................2-2
1. Outline ..............................2-2
2. CPU PCB .........................2-2
3. Control Panel ...................2-2
II. BASIC SEQUENCE OF
OPERATIONS .............................2-4
A. At Power-On ...........................2-4
B. Basic Sequence of Operations
(copying) ................................2-6
C. Generating the Image Leading
Edge Signal ............................2-7
COPYRIGHT © 1999 CANON INC.
CONTENTS
CANON CLC1120/1130/1150 REV.0 MAR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
C. User Mode .......................... 1-14
V. DAILY MAINTENANCE
BY THE USER ......................... 1-16
VI. SAFETY ................................... 1-17
A. Safety of Laser Light
(Class I Laser Product) ....... 1-17
B. CDRH Regulations ............. 1-18
C. Handling the Laser
Assembly ............................. 1-19
D. Safety of Toner .................... 1-21
VII. IMAGE FORMATION................ 1-22
A. Outline ................................. 1-22
B. Auxiliary Process ................ 1-24
1. Post-Cleaning
Charging ....................... 1-24
1. Outline ..............................2-7
2. Controlling Side A and
Side B ...............................2-8
III. CONTROLLING ELECTRICAL
MECHANISMS ......................... 2-10
A. Controlling the Main Motor
(M4) ..................................... 2-10
1. Outline ........................... 2-10
B. Controlling the Drum Motor
(M2) ..................................... 2-12
1. Outline ........................... 2-12
C. Inputs to and Outputs from the
Major PCBs ......................... 2-14
v