Brother HL-820, HL-1020, HL-1040 manual Sensors Cover Sensor, Toner Empty Sensor

2.3Sensors

2.3.1Cover Sensor

Detects opening and closing of the top cover.

Top Cover

Cover Switch

Fig. 2-35

2.3.2Toner Empty Sensor

Detects if there is toner in the toner cartridge. It also detects whether or not the drum unit is installed. (The toner cartridge is installed in the drum unit).

Toner Empty

Sensor

Fig. 2-36

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