Kyocera KM-4230 Service Manual page 156

( 2 ) Clutch drive circuit
CPU
19
IC7
Figure 2-3-13 Paper conveying clutch drive circuit
When pin 19 of the CPU IC7 goes low, pin 2 of IC4 goes low, which turns the paper
conveying clutch (CCL) on.
The other clutches are controlled in the same manner.
+24 V DC
9 16
COM1 COM2
3
IN1 01
6
IN2 02
11
IN3 03
14
IN4 04
IC4
PDMPCB
CN4-1
CN4-6
2
7
10
15
2A3/4
CCL
2-3-17