Power Supply; Outline Of The Power Supply System - Canon GP335 Service Manual

CHAPTER 10 EXTERNALS/AUXILIARY MECHANISMS
III. POWER SUPPLY
A. Outline of the Power Supply System
Figure 10-301 is a diagram, showing the distribution of power inside the machine.
Leakage
breaker
P
Fixing motor
Main motor/main body load
Cassette pedestal
Side paper deck
Multi Output Tray-3
Pre-exposure lamp
Fluorescent lamp
Primary charging roller
Developing cylinder
Transfer charging roller
Transfer guide
Separation static eliminator
Fixing bias
THSW
H1 (main)
H2 (sub)
10-10
Filter assembly
SW1
Main power switch
Composite power supply PCB
CPU
generation
+24VU
24-V
generation
+24VR
RL1
SW3
Door switch
SSR
Figure 10-301
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
SW2
Cassette
heater switch
Low-voltage power
supply PCB
5-V
Accessories power supply
Cassette heater (accessory)
+38V
Scanner motor
Laser scanner motor
Side paper deck
(for main motor)
+3.4V
Image processor PCB
+5.2V
Image processor PCB
DC controller PCB
CCD PCB
Cassette pedestal
G3FAX
+8V
Laser driver PCB
+15V
CCD PCB
DC controller PCB
G3FAX
Fan half-speed rotation
-12V
DC controller PCB
CCD PCB
G3FAX
24V
Finisher
DADF
: DC
: AC