Lexmark W820 Service Manual page 40

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Service Manual
Level 1 Sensor
Monitors whether or not Tray 1 is installed. Installing the Tray pushes the Link
Stopper out, which in turn lowers the Feed Roll and moves the Level 1 Sensor
Actuator tab away from the Sensor window.
MP Feeder Size Sensor
Monitors the size of paper that is loaded in the MP Feeder.
MP Feeder No Paper Sensor
Monitors the paper level in the MP Feeder.
MP Feeder Feed Clutch
Transmits Main Motor drive to the MP Feeder Feed Rolls.
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