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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
CHAPTER 4
IMAGE PROCESSING SYSTEM
This chapter provides descriptions on the copier's image processing operations,
functions of each operation, relationships between electrical and mechanical
systems, and timing at which each associated part is turned on.
I. OUTLINE .................................... 4-1
II. ANALOG IMAGE PROCESSING
................................................... 4-4
A. Outline ................................... 4-4
III. DIGITAL IMAGE PROCESSING
................................................... 4-6
A. Outline ................................... 4-6
B. Image Procesing Functional
Block...................................... 4-7
C. Shading Correction................ 4-9
D. Line Conversion .................. 4-10
E. Editing ................................. 4-11
F. Density Processing.............. 4-12
G. Binary Processing ............... 4-15
H. Image Memory .................... 4-17
I. Detecting the Orientation of
Originals .............................. 4-19
J. Black Pixel Count ................ 4-20
IV. DISASSEMBLY/ASSEMBLY.... 4-21
A. CCD PCB ............................ 4-22
B. Image Processor PCB ......... 4-24
C. Hard Disk (image server)..... 4-26
D. Others.................................. 4-27