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Canon iR6000 Service Manual

Canon iR6000
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COPYRIGHT
©
2000 CANON INC. 2000 2000 2000 2000 CANON iR5000/iR6000 REV.0 JULY 2000
CHAPTER 3 IMAGE PROCESSING SYSTEM
3-1 R
CCD/AP PCB
Reader controller PCB
CCD
A/D
conversion
Shading processing
Analog
image
processing
Analog image processing block
Controller unit
Digital image processing block
Auto density
correction (AE)
1.Outline
The major functions of the image processing system are as follows:
[1] CCD (image sensor)
Number of lines: 1
Number of pixels: 7450
Size of pixel: 4.7 x 4.7 µm
[2] Shading Correction
Shading adjustment: executed in service mode
Shading correction: executed for each copy
[3] Auto Density Adjustment (AE)
Executed for each line in main scanning direction.
The image processing system consists of the following functional blocks:
F03-100-01
Each of the PCBs used in the image processing system has the following functions:
[1] CCD/AP PCB. Drives the CCD, performs analog image processing, performs A/D
conversion.
[2] Reader controller PCB. Performs shading correction, performs auto density adjustment
(AE).
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Canon iR6000 Specifications

General IconGeneral
Print TechnologyLaser
Copy Resolution600 x 600 dpi
Scan Resolution600 x 600 dpi
FunctionsPrint, Copy, Scan
Print Speed60 ppm
Duplex PrintingYes
Network ConnectivityEthernet
Paper SizesA3, A4, B4, B5
Warm-Up Time30 seconds
Multiple CopiesUp to 999
Magnification25-400%
Copy Speed60 ppm (A4)

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