Canon iR2800 Series Manuale di servizio - Pagina 5
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Contents
CHAPTER 1 GENERAL DESCRIPTION
1
Specifications ................................. 1-1S
1.1 Main Body ............................... 1-1S
1.1.1
1.1.2
1.1.3
1.1.4
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
CHAPTER 2 MAIN CONTROLLER
1
Basic Construction ......................... 2-1S
1.1 Functional Construction .......... 2-1S
1.2 Outline of the Electrical
1.2.1
1.2.2
1.2.3
1.3 Start-Up Sequence .................... 2-4S
1.3.1
1.3.2
2
Digital Image Processing ................ 2-7S
2.1 Outline ...................................... 2-7S
2.2 Input Image Processing ............ 2-8S
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
COPYRIGHT © 2002 CANON INC.
fineline6
Type ................................... 1-1S
Systems .............................. 1-1S
Functions ........................... 1-2S
Others ................................ 1-5S
Circuitry ................................... 2-2S
Outline ............................... 2-2S
Main Controller PCB ......... 2-2S
HDD .................................. 2-2S
Outline ............................... 2-4S
Start-Up Sequence ............. 2-5S
Image Data from the
Reader Unit ........................ 2-8S
Enlargement/Reduction
(main scanning direction) ... 2-8S
Edge Emphasis ................... 2-8S
Editing ................................ 2-8S
Density Conversion
(LUT) ................................. 2-8S
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 ............................ 1-17S
3.4.1
Accessories for Original/
Paper Feeding .................. 1-17S
3.4.2
Accessory Boards ............ 1-18S
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
CANON iR2200/iR2800/iR3300 REV.1 JAN. 2002
CONTENTS
S 1