Staple Motor Control - Canon imageRUNNER iR2270 Service Manual

Chapter 2

2.4.2 Staple Motor Control

A rough diagram of the staple motor (M5) drive circuit is shown below.
The staple motor is a DC motor.
The motor rotation direction can be changed by the combination of motor drive signals sent
from the CPU (on the finisher controller PCB) to the motor drive circuit.
IC1
(CPU)
F-2-20
[1]: Finisher controller PCB
M5: Staple motor
2-18
Q12
STP_M_CW
+3.3V
STP_M_EN
STP_M_CCW
+5V
+3.3V
Q6
+5V
+24V
FU7
Q17
Q18
Q21
Q22
Q13
+5V
[1]
0006-1971
J13
1
2
3
M5
4