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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
9-15
CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMS
3. Power Supply at Main Power Switch-On and Control Panel Switch-On
Figure 9-504 Power Supply Block Diagram
DC power
supply PCB
Relay
PCB
DC controller
PCB
3.3V
5V
12V
3.3V
5V
12V
3.3V
5V
12V
3.3V
5V
12V
5V
12V
38V
System
motherboard
MFC
PCB
Image
server
(hard disk)
-8V
5V
8V
Laser
driver
PCB 1
-8V
5V
8V
Laser
driver
PCB 2
-8V
3.3V
5V
Image
processor
PCB
3.3V
Inverter
PCB
ADF
24V
Heater
driver
PCB
24V
24V
38V
38V
24V
Intensity
control PCB
Scanning
lamp
heater
Intensity
sensor
PCB
24V
24V
38V
38V
24V
5V
38V
3.5K
PD
(accessory)
-12V
5V
12V
38V
Scanner
motor
driver
PCB
Laser
scanner
motor
driver
PCB
3.3V
5V
8V
15V
CCD
PCB
Drum
motor
(M0)
38V
38V
Main
motor
(M1)
Fixing
assembly
motor
(M3)
5V
12V
18V
24V
38V
5V
5V
12V
24V
HV-DC1
PCB
24V
HV-AC
PCB
Duplexing
unit
Pickup
motor
(M2)
·Motor
·Solenoid
·Sensor
Control
panel
CPU
PCB
Control
panel
power
switch
Printer
board
(accessory)
Fixing assembly
To heater
3.3V
5V
-8V
8V
12V
15V
** * * *
*
*
Note: The output with the asterisk (*) is turned on/off
by the relay (RLY1) on the relay PCB.
24V
38V
RLY1
ON