(2) Switches and sensors
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1. Cover switch (CSW).............................. Shuts off 24 V DC power line when the front cover and rear cover
2. Registration sensor (RS)....................... Detects the timing of paper conveying.
3. Toner sensor (TS) ................................. Detects the quantity of toner in a toner container.
4. Motor count sensor (MCS).................... Detects revolution pulses of the motor.
5. Duplex sensor (DUS)*........................... Detects a paper misfeed in the duplex section.
6. Fuser thermistor (FTH) ......................... Measures the heat roller temperature.
7. Fuser thermostat (FTS)......................... Shuts off the power source to the fuser heater lamp when the heat
8. Outer temperature sensor (OTEMS)..... Detects the outside temperature.
9. Power switch (PSW) ............................. Turns ON/OFF the AC power source.
*: 25/26 ppm model only.
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Figure 2-2-2 Switches and sensors
is opened.
roller reaches extremely high temperature.
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2-2-3
Machine left
Machine inside
Machine right
2M2/2M3