Paper Feed Motor Drive Circuit; Usb I/O; Driver Pcb; Sw Panel Pcb - Brother HL-1070 Service Manual

1.3.12
A DC motor is used for paper feeding.
1.3.13
Fig. 2.17 shows the USB interface circuit.
1.4

Driver PCB

The following parts are mounted on the driver PCB.
• Connectors ..................Low-voltage, high-voltage, solenoid, main motor, toner sensor,
• Registration sensor
1.5

SW Panel PCB

The following parts are mounted on the SW panel PCB.
• Operation panel ........1 Key, 5 LEDs
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Paper Feed Motor Drive Circuit

USB I/O

laser, polygon motor, connector for main PCB
Fig. 2.15
Fig. 2.16
II-14