Construction Of The Control System - Canon imageRUNNER 2270 Service Manual

6.1.3 Construction of the Control System

The laser exposure system is primarily controlled by the DC controller PCB.
iR2270/iR2870
[1]
VDO1
GND
/VDO1
CNT0
CNT1
CNT2
/VDO2
GND
VDO2
GND
+5V
PWCHG
POLYGON FG
+24V
P ACC
P DEC
GND
+3.3V
BD
GND
F-6-2
Chapter 6
0006-5971
[2]
[3]
[4]
6-3