Reader Unit Input Image Processing - Canon iR4570 Series Service Manual

Reader unit
Reader unit input image processing block
Processes the image data
read by the reader unit.
DC controller PCB
- image memory
- program (temporary storage)
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4.5.4 Reader Unit Input Image Processing

iR2270 / iR2870 / iR3570 / iR4570
The image data colleted by the contact image sensor is processed by the main controller PCB.
Reader unit controller PCB
Main controller PCB
SDRAM
HDD
(optional)
Printer unit output image
processing block
Processes image data for
output to the printer unit.
Chapter 4
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