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COPYRIGHT © 2001 CANON INC.
2000 2000 2000 2000
CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 7 EXTERNALS AND CONTROLS
7-8 P
3.1.3 Output of Power Supplies
The outputs of the machine’s power supplies are controlled by the main power switch,
control panel power switch, or signal from the printer board.
The output is controlled by the DC power supply PCB as follows based on the combina-
tion of the signal from the printer board and the state of the power switch and the control
panel switch:
T07-301-04
Main power
switch (SW1)
OFF
ON
ON
Control panel
switch or print
board signal
OFF
OFF
ON
Power output
from DC power
supply PCB
None
3.3VB*
All
Remarks
If the environment switch (SW3) is
ON, the drum heater will be supplied
with power (AC). In addition, if the
heater switch (SW4) is ON, the cassette
heater is supplied with power (AC).
*Supply is sent to the following:
3.3 VB:controller unit
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