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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
4-1
CHAPTER 4 IMAGE PROCESSING SYSTEM
I . OUTLINE
Table 4-101 shows the major functions of the image processing system.
Table 4-101 Major Functions
Item
CCD
AE
Shading correction
Binary processing
Others
Memory size
Description
Number of CCD lines: 1
Number of pixels: 7500
Size of a CCD pixel: 7 × 7 µm
[1] Priority on speed by ABC processing
[2] Priority on image quality by pre-scanning
[1] Shading adjustment in service mode
[2] Shading correction executed for each copy
[1]
Text/photo mode, text mode by random error diffusion (R-ED) method
[2] Print photo mode by screen dither processing
[1] Original orientation detection
[2] Black pixel count
[1] Page Memory (DRAM)
18 MB (equivalent of 4 A4 originals; not compressed)
[2] Image server (hard disk)
2 GB (equivalent of 1,920 A4 originals; compressed)