Reader Input Image Processing - Canon iR C2880 Series Service Manual

Chapter 4
Print output

4.5.2 Reader Input Image Processing

iR C3380i / iR C3380 / iR C2880i / iR C2880 / iR C3580 / iR C3580i / iR C3080 / iR C3080i
The image data (RGB data) collected by the CCD is processed by the main controller PCB (sub SJ-A, sub R-A, sub PDRM-PE-A).
4-10
Original
A
Copy Scan
A
Processing taking the place
of conventional masking.
Executes color correction
for the CCD RGB filters.
If mono-color mode,
only Bk signals hereafter.
Other iR machine
• SEND
• FAX
A
• PullScan
• E-Mail
• BOX
• PDL Print
Image data
F-4-7
Reader unit
24
RGB
Main controller PCB
(sub SJ-A, sub R-A,
sub PDRM-PE-A)
RGB phase correction
Input gamma correction
Input direct mapping
- Edge enhancement
- Smoothing
- See-though prevention (BE)
- Bk generation
(mono-color mode)
- Framing
- Blanking
- Frame erasing
CMYK
Main controller PCB (main)
F-4-8
PC
0013-9215