Reader Input Image Processing - Canon imagePRESS C1 P Service Manual

Print Output

4.5.2 Reader Input Image Processing

imagePRESS C1 P / imagePRESS C1
Image processing of image data (RGB data) scanned by CCD is performed by the Main Controller Circuit Board (SUB SJ-A, SUB R-A, SUB PF-A).
4.5.3 Reader Input Image Processing
imagePRESS C1+ (Printer) / imagePRESS C1+
Image processing of image data (RGB data) scanned by CCD is performed by the Main Controller (MAIN, SUB S-B/ZJ-A/R-A/PPF-A/DQE-A).
Original
A
Copy
Scan
A
Processing used in place of
conventional input masking.
Color correction is performed
for the CCD's RGB filter.
If the image is monochrome,
only the BK signal results
from this point on.
SEND
A
FAX
PullScan
E-Mai
PDL Print
Image Data
BOX
F-4-10
Reader Unit
24
RGB
Main Controller Circuit
Board (SUB SJ-A,
SUB R-A, SUB PF-A)
RGB phase correction
Input gamma correction
Input direct mapping
- Edge enhancement
- Smoothing
- Background elimination (BE)
- BK signal generation
(monochrome mode)
- Trimming / Masking
- Frame removal
- RGB -> CMYK conversion
YUV
Main Controller Circuit Board (MAIN)
F-4-11
Other iR Device
PC
Chapter 4
0014-1303
0020-4002
4-13