Sensors; Cover Sensor; Toner Empty Sensor - Brother HL-730Plus Service Manual

2.3

Sensors

2.3.1

Cover Sensor

Detects open or close of the top cover.
2.3.2

Toner 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).
Fig. 2.30
II-27
Top Cover
Cover Switch