Canon imageRUNNER 2270 Service Manual page 858

When the power is turned on, the host machine supplies 24 VDC and 13 VDC to the
pedestal controller PCB.
The 24VDC power is used to drive the solenoid, while the 13VDC is converted to 5V power
by the DC-DC converter on the pedestal controller PCB for use by sensors and ICs.
Host machine
F-2-11
24V
FU1
IC2
NF1 DCDC
13V
DC-DC
converter
24V
Pedestal
controller
PCB
24V
To motors,
solenoids
+5V Motor drivers
+3.3V
IC7
CPU/IPC
3-terminal
regulator
Chapter 2
+5U
Sensors
Side
Paper Deck
-Q1
2-15