Brother HL-1020, HL-820, HL-1040 manual Low-voltage Power Supply PCB Assy

(3)Disconnect the eight connectors from the PCB. (Three connectors have already been disconnected when removing the scanner unit.)

Panel Sensor
PCB ASSY	1
	2
	3	5
10	4
		6
9
8
		(Name of the Harnesses)
7		1.	Low-voltage harness
		2. Erase lamp harness
		3.	Toner harness
		4. Scan motor flat cable
		5.	Laser harness
		6.	Solenoid harness
		7. Main / sub motor connector
		8. Fan motor 1 harness
		9. Fan motor 2 harness
Main frame		10. High-voltage flat cable
		Fig. 3-19

Note:

When re-assembling, the cable connectors must be inserted securely into the PCB

￿connectors and the PCB must not be stressed by the harnesses.

The connectors should be inserted by matching the housing color and the number of pins.

3.11Low-voltage Power Supply PCB ASSY

(1)Remove the one M4x12 tapping screw securing the low-voltage power supply PCB ASSY.

(2)Disconnect the two connectors for the heater harness and the LV harness from the PCB.

Low-voltage Power Supply ASSY

H r h rn

LV harness

Fig. 3-20

III-12