Canon GP405 Service Manual page 104

CHAPTER 4 IMAGE FORMATION SYSTEM
3. Binary Processing for Fax Transmission/Reception
The flow of image data for fax transmission/reception is as follows:
Fax Reception
Image data received from the telephone line
Coding by the Super G3 FAX Unit-E1
Resolution converted
Smoothing
4-18
Compression
Image memory
Printing
Figure 4-312
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Fax Reception
Image data read from scanner
Binary processing by GENESIS
Method of compression used
by the other party identified
by communication
Compression
Image memory
Communication started
Decompression
Image memory
(non-compression)
Compression
Image memory
Transmission