2PG/2PH
2-2-2
(2) Switches and sensors
Figure 2-2-2 Switches and sensors
1. Power switch................................................ Turns ON/OFF the AC power source.
2. Interlock switch ............................................ Shuts off 24 V DC power line when the top cover is opened.
3. Cassette switch............................................ Detects open/close cassette.
4. Registration sensor ...................................... Detects the timing of primary paper feed.
5. Paper sensor................................................ Detects the presence of paper in the cassette.
6. MP paper sensor.......................................... Detects the presence of paper on the MP tray.
7. Exit sensor ................................................... Detects paper jam in the fuser or duplex conveying section.
8. Toner sensor ................................................ Detects the quantity of toner in a toner container.
9. Waste toner sensor...................................... Detects when the waste toner reservoir (Drum unit) is full.
10. Fuser thermistor........................................... Measures the heat roller temperature.
11. Fuser thermal cutout .................................... Shuts off the power source to the fuser heater lamp when the heat roller
reaches extremely high temperature.