Canon GP405 Service Manual page 47

b. Control Panel
Name
CPU
ROM
c. Composite Power Supply PCB
Name
CPU
Composite power
supply PCB
Lamp
regulator
DC power
+24VU
supply**
+24VR
CPU
HVT circuit
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 2 BASIC OPERATION PROVIDES
Monitors key inputs, Controls the buzzer sound, Controls LCD
activation
Controls high voltage; Detects the sate of the front door (open/closed;
Supplies power to the fluorescent lamp; Controls the drum film
thickness detection; Controls transfer; Controls power to the loads
CPU
IP-CPU*
GA
DC-CPU*
DC controller PCB
DC loads
Main motor
*If IP, for the image processor; if DC, for the DC controller.
**A separate power supply is used for supplying low-voltage
(other than 24 V).
Figure 2-102
Description
Description
Control panel
Image processor
PCB
IPC
Laser scanner
motor
Feeder
Copy data
controller
Finisher
Paper deck
pedestal
Cassette
pedestal
Multi Output
Tray 3
2-3