Route Of Power Inside The Printer Unit - Canon iR4570 Series Service Manual

Chapter 10
All-night power
supply PCB
Heater switch
SW5
Leakage breaker
ELCB2
Heater
switch PCB
Main switch
SW1
Fixing main heater(H1)
AC driver PCB
Fixing sub heater(H2)
Thermal switch(TP1)
To Finisher-Q3/Q4
(by way of Cassette
Feeding Unit-Y2)
24VA
Side Paper Deck-Q1
To Buffer Path-E1
Accessories
To Finisher-S1
power
supply PCB
To Finisher-Q3/Q4
13VA2
To Finisher-S1
To Buffer Path-E1
24VU1: non-all night 13VA1: non-all night
24VU2: non-all night 13VA2: non-all night
13VB: non-all night
24VA: non-all night
F-10-5

10.4.1.2 Route of Power Inside the Printer Unit

/ iR3530
The machine's power is supplied by the printer power supply PCB. The DC power to accessories is supplied by the
accessories power supply PCB.
The functions of the individual power supply PCBs are as follows, shown together with the distribution of power:
Printer power supply
PCB
10-10
Name
Generates and supplies all-night power (3
VB).
Reader heater(H5)
DADF
Reader heater(H6)
-N1
Cassette heater(H4)
Printer
Deck heater(H7)
unit
Pickup
Cassette pedestal(H1C)
heater
mounting
kit
Printer power supply block
Printer
24VU1
power
Controller power supply PCB
supply PCB
24VU2
13VA1
13VA2
13VB
All-night
3VB
power
supply PCB
Super G3 Fax
13VA2
Board-Q1
5VA: non-all night
3VA: non-all night
3VB: all night
Name
generates DC power (24 V, 13 V). supplies
DC power to controller PCB, cassette
pedestal
Description
HVT
High-voltage
power supply PCB
DC controller PCB
3VB
Controller
PCB
T-10-7
Description
Remarks
0008-8136
Remarks