Canon Color imageRUNNER C4580 Service Manual - page 216
of
851
Chapter 8
8-3
F-8-2
8.1.3 Construction of the Control System
The laser exposure system is controlled mainly by the DC controller PCB2(MAICY).
F-8-3
BD detection PCB
BD mirror
PWMIC
J210
J633
J301
J118
J717
J1014
J206(Y,M)
J208(C,Bk)
APC
control
PWM
signal
ON/OFF
control
Laser scanner motor control
Front cover
Fixing feeder unit
Manual feed unit
PWM
control
Laser shutter control
DC controller PCB 1(IMG)
DC controller
PCB 2(MAISY)
Main controller PCB
IC for
control
(IMG)
Image data
Main scanning direction
sync control