COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CONTENTS
S1
Contents
CHAPTER 1 GENERAL DESCRIPTION
1 Basic Construction .........................2-1S
1.1 Functional Construction ..........2-1S
1.2 Outline of the Electrical
Circuitry ...................................2-2S
1.2.1 Outline ...............................2-2S
1.2.2 Main Controller PCB .........2-2S
1.2.3 HDD ..................................2-2S
1.3 Start-Up Sequence ....................2-4S
1.3.1 Outline ...............................2-4S
1.3.2 Start-Up Sequence .............2-5S
2 Digital Image Processing ................2-7S
2.1 Outline ......................................2-7S
2.2 Input Image Processing ............2-8S
2.2.1 Image Data from the
Reader Unit ........................2-8S
2.2.2 Enlargement/Reduction
(main scanning direction) ...2-8S
2.2.3 Edge Emphasis ...................2-8S
2.2.4 Editing ................................2-8S
2.2.5 Density Conversion
(LUT) .................................2-8S
CHAPTER 2 MAIN CONTROLLER
1 Specifications .................................1-1S
1.1 Main Body ...............................1-1S
1.1.1 Type ...................................1-1S
1.1.2 Systems ..............................1-1S
1.1.3 Functions ...........................1-2S
1.1.4 Others ................................1-5S
1.2 Side Paper Deck-L1 .................1-8S
2 Names of Parts ...............................1-9S
2.1 External View ...........................1-9S
2.2 Cross Section .........................1-11S
3 System Configuration ..................1-13S
3.1 Functional Construction ........1-13S
3.2 Outline of the Electrical
Circuitry .................................1-14S
3.2.1 Construction of the
Electrical Circuit ...............1-14S
3.3 Inputs to and Outputs from
the Major PCBs......................1-15S
3.3.1 Wiring Diagram of the
Major PCBs .....................1-15S
3.4 Configuration with
Accessories ............................1-16S
3.4.1 Accessories for Original/
Paper Feeding ..................1-16S
3.4.2 Accessory Boards ............1-17S
2.2.6 Binary Processing (error
diffusion method T-BIC) ....2-9S
2.2.7 Binary (dither screen
method) ..............................2-9S
2.3 Image Memory Control ............2-9S
2.3.1 Compression/De-Compression,
Rotation, and Enlargement/
Reduction ...........................2-9S
2.3.2 SDRAM ............................2-9S
2.3.3 HDD ..................................2-9S
2.4 Output Image Processing .......2-10S
2.4.1 Smoothing ........................2-10S
2.4.2 Binary-Binary Density
Conversion (read image
output only) ......................2-10S
3 Soft Counters................................2-11S
4 Controlling the Power Supply ......2-15S
4.1 Outline ....................................2-15S
4.2 Power Supply Modes .............2-15S
4.3 Standby Mode
(normal operation) ..................2-15S
4.4 Sleep Mode 1 .........................2-15S