Canon ImageRunner 600 Service Manual page 389

Table 9-502 shows the output of the power supply in relation to combinations of the printer
board signal and the states of the main power switch and the control panel switch.
Control panel
Main power
switch or printer
switch
board signal
OFF OFF
ON OFF
ON
Table 9-502 Power Supply and Switch Operation
COPYRIGHT © 1999 CANON INC.
Power supply
output
None
3.3V*
5V*
+8V
-8V
12V*
15V
All
ON
CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
CHAPTER 9 EXTERNALS/AUXILIARY MECHANISMS
If the heater switch is on, the drum heater and
the cassette heater are supplied with power
(AC).
*Supplied only to the following PCBs:
3.3V: printer PCB (accessory)
5V: printer PCB (accessory)
DC controller PCB
12V: printer PCB (accessory)
Remarks
heater switch (SW3)
OFF ON
9-13