COPYRIGHT © 2000 CANON INC.
2000 2000 2000 2000
CANON iR5000/iR6000 REV.0 JULY 2000
R 1
CONTENTS
Contents
CHAPTER 2 ORIGINAL EXPOSURE SYSTEM
1. Functional Construction ................ 1-1R
2. Outline of Electrical Circuitry ....... 1-2R
Outline .................................... 1-2R
Reader Controller PCB ........... 1-2R
3. Basic Sequence of Operations ....... 1-3R
Basic Sequence of Operations
at Power-On ............................ 1-3R
Basic Sequence of Operations
in Book Mode ......................... 1-3R
4. Inputs to and Outputs from the
Major PCBs ................................... 1-4R
Wiring of Major PCBs ............ 1-4R
Inputs to and Outputs from the
Reader Controller PCB ........... 1-5R
1. Outline of Operations .................... 2-1R
Outline .................................... 2-1R
Sequence of Operations
(original exposure) .................. 2-3R
Book Mode, 1 Original,
Copyboard Closed ............ 2-3R
Book Mode, 1 Original,
Copyboard Cover Open .... 2-4R
Enlargement/Reduction
(zoom) ..................................... 2-5R
Changing the Reproduction
Ratio in Main Scanning
Direction ........................... 2-5R
Changing the Reproduction
Ratio in Sub Scanning
Direction ........................... 2-5R
2. Scanner Drive System ................... 2-6R
Outline ..................................... 2-6R
Controlling the Scanner
Motor ...................................... 2-7R
Controlling the Motor
When Scanning an Image .. 2-7R
Reversing the Scanner
After Scanning in Main
Reading Direction ............. 2-8R
Lamp (LA2) ................................... 2-9R
Outline ..................................... 2-9R
Scanning Lamp ........................ 2-9R
Turning On/Off the Lamp ........ 2-9R
Detecting an Error ................. 2-10R
4. Detecting the Size of Originals .... 2-11R
Outline ................................... 2-11R
Points of Detection ................ 2-11R
Outline of Detection .............. 2-11R
Outline of Detection
Operation ............................... 2-12R
Book Mode, 1 Original,
Copyboard Cover Open .. 2-12R
Book Mode, 1 Original,
Copyboard Cover Close . 2-13R
5. Scanning Lamp ........................... 2-15R
Removing the Scanning
Lamp ..................................... 2-15R
Points to Note When Replacing
the Scanning Lamp ................ 2-16R
After Replacing the Scanning
Lamp ..................................... 2-16R
6. Scanner Drive Block .................... 2-17R
Scanner Motor ....................... 2-17R
Removing the Scanner
Motor .............................. 2-17R
Mounting the Scanner
Motor .............................. 2-18R
Scanner System Drive
Cable ..................................... 2-19R
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Содержание IR5000 - iR B/W Laser
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