COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
xii
CONTENTS
CHAPTER 3 MAIN CONTROLLER
1 Basic Operation .................................. 3-1
1.1
Functional Construction ............ 3-1
1.2
Outline of the Electrical
Circuitry ..................................... 3-2
1.2.1
Outline ................................. 3-2
1.2.2
Main Controller PCB ........... 3-2
1.2.3
Hard Disk Drive ................... 3-2
1.3
Start-Up Sequence ..................... 3-4
1.3.1
Outline ................................. 3-4
1.3.2
Start-Up Sequence ............... 3-5
1.3.3
Construction of the System
Software ............................... 3-6
1.4
Inputs/Outputs the Major
PCBs .......................................... 3-7
1.4.1
Connection Diagram of
the Major PCBs ................... 3-7
2 Digital Image Processing .................... 3-8
2.1
Outline ....................................... 3-8
2.2
Input Image Processing .............. 3-9
2.2.1
Image Data from
the Reader Unit .................... 3-9
2.2.2
Enlargement/Reduction
(main scanning direction) .... 3-9
2.2.3
Edge Emphasis .................... 3-9
2.2.4
Edit Processing .................... 3-9
2.2.5
Density Conversion
(LUT) ................................... 3-9
2.2.6
Binary Processing
(error diffusion method
T-BIC) .................................. 3-9
2.2.7
Binary
(dither screen method) ....... 3-10
2.3
Controlling the Image
Memory .................................... 3-10
2.3.1
Compression/Expansion,
Rotation, and Enlargement/
Reduction ........................... 3-10
2.3.2
SDRAM ............................. 3-10
2.4
Output Image Processing ......... 3-11
2.4.1
Smoothing ......................... 3-11
2.4.2
Thickening
(PDL output only) ............. 3-11
2.4.3
Binary-Binary Conversion
(read image output only) ... 3-11
3 Soft Counters .................................... 3-12
4 Controlling the Power Supply .......... 3-14
4.1
Outline ..................................... 3-14
4.2
Power Supply Mode ................ 3-14
4.3
Standby Mode
(normal operation) ................... 3-14
4.4
Power Save Mode .................... 3-14
4.5
Low Power Mode ..................... 3-15
4.5.1
Shift from Standby Mode
(standby
→
low power) ..... 3-15
4.5.2
Shift to Standby Mode
(low power
→
standby) ..... 3-15
4.6
Sleep Mode .............................. 3-15
4.6.1
Shift from Standby Mode
(standby
→
sleep) .............. 3-15
4.6.2
Shift from Low-Power
Mode (low power
→
sleep) ............................. 3-15
4.6.3
Return to Standby Mode
(sleep
→
standby) .............. 3-15
4.7
OFF Mode ................................ 3-16
4.7.1
Shift from Standby Mode
(standby
→
OFF mode) ..... 3-16
4.7.2
Shift from Low-Power
Mode (low-power
→
OFF mode) .................... 3-16
4.7.3
Return to Standby Mode
(OFF mode
→
standby) ..... 3-16
4.8
Power Supply OFF Mode ........ 3-16
Summary of Contents for iR105 Series
Page 547: ...COPYRIGHT 2001 CANON INC 2000 2000 2000 2000 CANON iR105 REV 0 JULY 2001 APPENDIX ...
Page 561: ...Service Mode COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
Page 691: ...Error Code COPYRIGHT 2001 CANON INC 2000 CANON iR105 REV 0 JULY 2001 ...
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Page 1012: ...C 10 COPYRIGHT C 2001 CANON INC STANDARD FASTENERS REV 0 FEB 1992 ...
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