COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON SmartBase PC1200s/iR1200s REV. 0 DEC. 2001
vii
CONTENTS
CHAPTER 4 OPERATION
1 Basic Operation .................................. 4-1
1.1
Reproduction Processes ............. 4-1
1.1.1
Outline ................................. 4-1
1.2
Functional Construction ............ 4-4
1.3
Outline of the Electrical
Circuitry ..................................... 4-5
1.3.1
Functional Block Diagram .. 4-5
1.3.2
Outlines of Functions .......... 4-6
1.3.2.1
Image Processor PCB ..... 4-6
1.3.2.2
DC Controller PCB ........ 4-7
1.3.2.3
Control Panel PCB ......... 4-8
1.3.2.4
Power Supply PCB ......... 4-8
1.3.2.5
Analog Processor PCB ... 4-9
1.3.2.6
Sensor PCB ..................... 4-9
1.3.2.7
Laser Driver/BD PCB ..... 4-9
1.3.2.8
Main Motor/Scanner Motor
Driver .............................. 4-9
1.3.2.9
Printer Controller PCB ... 4-9
1.3.2.10 NCU PCB (if equipped with
fax functions) ................ 4-10
1.3.2.11 Modular Jack PCB
(if equipped with fax
functions) ...................... 4-10
1.4
Power-On Sequence ................. 4-11
1.5
Controlling the Main Motor .... 4-12
1.5.1
Outline ............................... 4-12
2 Image Reading/Processing System ... 4-13
2.1
Outline ..................................... 4-13
3 Laser Exposure System .................... 4-14
3.1
Outline ..................................... 4-14
4 Image Formation System .................. 4-16
4.1
Outline ..................................... 4-16
5 Pickup/Feeding/Delivery System ..... 4-17
5.1
Outline ..................................... 4-17
5.2
Pickup Operation ..................... 4-18
5.2.1
Pickup from the Cassette ... 4-18
5.2.1.1
Outline .......................... 4-18
5.2.1.2
Retry Pickup ................. 4-19
5.2.1.3
Detecting the Size of
Paper ............................. 4-19
5.2.2
Pickup from the Manual
Feed Tray ........................... 4-20
5.2.2.1
Outline .......................... 4-20
5.2.2.2
Retry Pickup ................. 4-21
5.2.2.3
Detecting the Size of
Paper ............................. 4-21
5.3
Feeding Operation/Delivery
Operation ................................. 4-22
5.3.1
Outline ............................... 4-22
5.3.2
Auto Delivery Control ....... 4-22
5.4
Reducing the Copying Speed .. 4-23
5.4.1
Outline ............................... 4-23
5.5
Detecting Jams ......................... 4-24
5.5.1
Outline ............................... 4-24
5.5.2
Types of Jams .................... 4-24
6 Fixing System ................................... 4-26
6.1
Outline ..................................... 4-26
6.2
Controlling the Fixing
Operation ................................. 4-27
6.2.1
Controlling the Fixing
Temperature ....................... 4-27
6.2.2
Controlling the Fixing Film
Bias .................................... 4-29
6.2.3
Fixing Heater Safety
Mechanism ......................... 4-29
6.2.4
Detecting a Fault in the
Fixing Assembly ................ 4-29
2.10 Fitting the Delivery Tray .......... 3-10
2.11 Checking the Copy Images ...... 3-10
2.12 Setting the Printer Functions ... 3-11
2.13 Setting Fax Functions (if equipped
with fax functions) ................... 3-12
2.13.1 Setting the Date/Time (user
mode) ................................. 3-12
2.13.2 Setting the Dial Type ......... 3-13
2.13.3 Executing Communications
Testing ............................... 3-13
3 When Relocating the Machine ......... 3-14
