COPYRIGHT
©
2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001
CHAPTER 7 EXTERNALS AND CONTROLS

7-7 P

3.1.2 Power Outputs

The machine’s power outputs are controlled by the main power switch (SW1) and the

control panel power switch (SW826), or signals from the printer board.

The following table shows the state of power supply from each power supply PCB in rela-

tion to combinations of the states of the main power switch and the control panel power

switch and the signals from the printer board:

T07-301-02

*1: If the environment switch (SW2) is ON, the cassette heater, mirror heater, and lens

heater are supplied with power.

F07-301-02

Main power
switch (SW1)
OFF*1
ON
ON
Control panel power
switch (SW826) or Signals
form printer/fax board
OFF
OFF
ON
Power output from
main power supply
PCB
No
No
All
Power output from
composite power
supply PCB
No
3VB
All
Power output from
accessories power
supply PCB
No
No
All
Main controller PCB
FU1
F3501
AC/DC converter
AC/DC
converter
5VA
24VU2 13VU
24VA1
24VA2
24VU1
24VU3
AC/DC
converter
3VB
(all-night)
3VA1
(non-all night)
3VA2
(non-all night)
5V
RMT1
RMT2
MPON
APON
Composite power
supply PCB
Accessories
power supply PCB
Main power supply PCB
Main power stitch
Switch PCB
SW1
UI_SOFT_SW*
Control panel PCB
Control panel switch
SW826