Relay Pcb - Brother IntelliFax-3550 Service Manual

3.3

Relay PCB

1
Connector for the main PCB
2
Registration sensor (PC1) circuit
3
Sheet feeder cover sensor (PC2) circuit
4
Cover switch (SW1)
5
Connector for the high-voltage power supply PCB
6
Connector for the toner sensor PCB
7
Connector for the laser diode of the laser unit
8
Switching circuit which feeds 24V power to the polygon motor during the printing pro-
cess.
9
Connector for the polygon motor
1
7
2
3
4
8
Relay PCB Circuit Diagram
III – 23
5
6
9