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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
CCD PCB
Original orientation detection PCB
Hard disk
IP PCB
MFC PCB
To laser driver
PCB
Analog image processing block
PDL board
Memory board
Image server
DRAM
Enlargement/reduction
(main scanning direction)
Edge emphasis
Density processing
Test pattern
Frame erasing
Frame erasing
Rotation
Memory control
Binary processing (text, text /photo mode)
Black pixel count
Shading correction
Line conversion
Smoothing
Line conversion
Data transfer control
Compression/
de-compression
Even-numbered/odd-numbered pixels
Even-numbered/odd-numbered line
Frame erasing on scanner input data
(by scanner clock pules)
1. Original frame erasing
2. Book frame erasing
3. Hole image erasing
Frame erasing on data after image
memory output
(by printer clock, pulses)
1. Sheet frame erasing
2. Binding
Enlargement/reduction
(main/sub scanning direction)
Binary processing
(print photo mode)
Output by scanner clock, pulses
Output by printer clock, pulses
Converts binary data of
600×600-dpi into 1200×600-dpi.
Turned to two channels for laser A and B