Power Supply Control; Power Supply Inside The Printer; 2-Speed Control - Canon imageRUNNER ADVANCE C5045 Series Service Manual

2

2-speed control

Among the fans installed in this machine, the Power Cooling Fan (FM3) and the Delivery Fan
1 (FM7) perform the 2-speed control. Rotation speed is switched when the Voltage switching
PCB of Fan switches the voltage.
DC controller PCB
Drive signal
CPU
Half-speed signal
Operation Sequence
Fan name Pre Initial Stand
rotation rotation by
Process Cartridge Fan
(front)
Process Cartridge Fan
(rear)
Fixing Exhaust Fan 1
Fixing Exhaust Fan 2
Fixing Cooling Fan (front)
Fixing Cooling Fan (rear)
Secondary Transfer
Exhaust Fan
Delivery Fan 1
Delivery Fan 2
Power Cooling fan
Controller Fan 1
Controller Fan 2
Controller Fan 3
HDD Cooling Fan
2
DC driver PCB
24V 13V
24V/ 12V/ 0V
Volteage
switchng
PCB
F-2-42 F-2-42
Copy/pint Post Jam Reader Low Sleep
rotation error power
1- 2-
Controller Control
Controller Control
Controller Control
Controller Control
: Full speed : Half speed
F-2-43 F-2-43

Power Supply Control

Power supply inside the printer

All-night 3VR
Main switch
power PCB
Fixing heater
3VR
AC
TP
interlock
switch
12V
power
supply
PCB
24V
Right
power
switch
supply
AC driver PCB Relay PCB
PCB 2
24V
power
Leakage breaker
supply
PCB 1
24V2 12VB2
Option
3VR
Main
controller
PCB 1
3VR
12VA2
Main
12VA1
controller
12VB1 PCB 2
12VB1
DC controller PCB
24VA
Laser
5VB
driver
Front Right
PCB
switch switch 24VA
24VA
12VC 12VB1
5VA
3VA
HVT 1 PCB
24VC
HVT 2 PCB
HVT 3 PCB
24VB1 Drum driver
PCB
24VB2 Cassette feed
driver PCB
24VB3
Pickup feed
driver PCB
12VA3
24V1
Reader
Control
Controller
panel
PCB
2-24
F-2-44 F-2-44
2-24