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 Ma-
jor 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 diffu-
sion 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/Re-
duction............................... 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 Conver-
sion (read image output only)
.........................................2-10S
3 Soft Counters................................2-11 S
4 Controlling the Power Supply......2-15 S
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