4Flow Of Image Data For The Fax Transmission; 5Flow Of Image Data For The Fax Reception Function - Canon iR4570 Series Service Manual

4.6.4 Flow of Image Data for the Fax Transmission
iR2270 / iR2870 / iR3570 / iR4570
The following is the flow of image data when the fax transmission function is in use:
Reader unit
Image processing block for reader unit
Compression
Compression
Expansion
Image processing block for fax
Resolution conversion
Super G3 Fax Board
F-4-18
4.6.5 Flow of Image Data for the Fax Reception Function
iR2270 / iR2870 / iR3570 / iR4570
The following is the flow of image data when the fax reception function is in use:
Main controller PCB
SDRAM
HDD
Chapter 4
0006-6750
0006-6751
4-17