Filter
Top Products
CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMS
9-12
COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
B. Turning On the Power
1. Outline
The copier's power output is controlled by the main power supply switch and control panel
power switch, or signals from the printer board (accessory).
Figure 9-502 Power-On Sequence
Leakage
breaker
Line
noise
filter
ELCB
LF1
AC
input
DC
controller
PCB
Control panel
CPU PCB
Control
panel
switch
Main
power
switch
Converter
circuit 1
3.3V/5V/+8V
-8V/12V/15V
Converter
circuit 2
24V/38V
Sequence
control circuit
Switching
circuit
Switching
circuit 1
Switching
circuit 2
Overcurrent
detection
circuit
Overcurrent
detection
circuit
3.3V/+8V
-8V/15V
5V
12V
24V
38V
24V
Output
Output
Output
Output
Printer
PCB
WAKE UP
POWER_IN
A-REMOTE
Switching
circuit 2
MFC
PCB
System
mother
PCB
Remote signal
control assembly
J1407
J525
J505
J503
J1703
J1702
J1701
J1704
J1706
J1701J1707
J1723
MSW5
Door switch
Manual feed
tray door
switch
J1719
3
1
1
x
3
1
1
3
1
1
A31
A11
A31
B12
1
3
4
7
Relay PCB
DC power supply PCB
2
1
2
1
1
2
3
1
2
3
: Power supply line
: Signal line
Signal from the printer PCB
Signal from the control panel power switch
J1706
J1704
J1703
J1702
J1707
When the remote signal is received, the
converter circuit 2, switching circuit 1, and
switching circuit 2 on the DC power supply
PCB are turned on.
: Output when only the main power
switch is on.
: Output upon arrival of the signal
from the control panel switch or
the printer PCB.