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Brother HL-1040 User Manual

Page 40

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1.4

Panel Sensor PCB

The following parts are on the panel sensor.

• Control Panel ........... 1 Switch, 4 lamps
• Connector ................ Low-voltage, high-voltage, solenoid, main motor, toner sensor,

laser, polygon motor, connector for main PCB

• Registration sensor

1.5

Power Supply

1.5.1

Low-voltage Power Supply

The power supply uses a switching regulation system to generate the regulated DC
power (+5V and +24V), which are converted from the AC line.

The regulated output and the production code of each power supply vary depending on
the printer model as listed below;

Model

Regulated Output

Production Code

HL-820/1020/1040

+5V / 0.6 A

+24V / 2.0 A

100V: MPW1547

200V: MPW1447

HL-1050

+5V / 1.2A

+24V / 2.0A

100V: MPW1550

200V: MPW1450

Heater

Circuit

Thermal

Fuse

Lightning

Surge

Absorber

Feedback

Line

Filter

Fuse

Rectifier

Oscillator

24V

Regulation

Circuit

5V

Regulation

Circuit

24V

5V

Lamp

(Heater)

(Panel Sensor Circuit)

Fig. 2-27

This manual is related to the following products: