3Reader Unit Input Image Processing - Canon iR4570 Series Service Manual

Chapter 4
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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4.5.3 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.
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Reader unit controller PCB
Main controller PCB
SDRAM
HDD
Printer unit output image
processing block
Processes image data for
output to the printer unit.
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