Switches And Sensors - Epson AcuLaser M2000D Service Manual

AcuLaser M2000D/M2000DN/M2010D/M2010DN

SWITCHES AND SENSORS

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Figure 2-2. Switches and sensors
OPERATING PRINCIPLES
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Machine left
Machine inside
Machine right
Electrical parts layout
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. Fuser thermistor
Measures the heat roller temperature.
10. Fuser thermal cutout
Shuts off the power source to the fuser heater lamp when the heat roller reaches
extremely high temperature.
Revision B
17
Confidential