Canon GP215 Service Handbook page 135

Address bit
PC2 0 PCB internal signal
(output) 1 PCB internal signal
2 PCB internal signal
3 primary charging roller clean-
ing solenoid
4 counter 3 drive (115/230V
model)
5 electrical unit fan drive (option)
6 exhaust fan 1 half-speed (PCB
internal signal)
7 laser fan half-speed (PCB
internal signal)
8 electrical unit fan half-speed
(PCB internal signal)
9 exhaust fan 2 drive
10 exhaust fan half-speed (PCB
internal signal)
11 Not used.
12 Not used.
13 Not used.
14 Not used.
15 Not used.
Indication Signal Jack
PCLSD J113-B2
CNT3D J107-B8
J112-9
J107-B1
SERVICE MODE
Logic
0: ON
1: ON
7–27