Canon Color imageRUNNER C4580 Service Manual - page 235
of
851
Chapter 8
8-22
F-8-23
PWMIC
DC controller PCB
The machine changes the
frequency of the image clock
to change the reproduction
ratio in main scanning direction.
Video signal for laser A
Video signal for laser D
Video signal for laser C
Video signal for laser B
Frequency control block
Change in reproduction ratio in
main scanning direction