Image Memory - Canon GP405 Service Manual

F. Image Memory
The machine is equipped with an image memory, and image data is stored in it (memory
copying) except when making one copy of one original (direct copying). The image memory
consists of a page storage area, in which compressed image data is stored on a page-by-page basis,
and a work area, in which images read by the scanner is stored temporarily for rotation or
compressed data (after processing) is stored temporarily.
Image memory (32 MB standard)
Work area
Page memory for printing
(non-compression)
Memory for reading
(non-compression)
Memory for header/footer
Image memory (for expansion)
Image memory (for expansion)
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Shared memory
Shared memory
Figure 4-313
CHAPTER 4 IMAGE FORMATION SYSTEM
Image storage area

Image memory

for copier
Image memory
for printer
Image memory
for fax
32MB
32MB
4-19