Read Sharp AR-810 (serv.man24) Service Manual online
AR-651/810 PAPER FEEDING SECTION 9 - 3
(10) Tray-up sensor
This sensor detects the tray position when the paper lift plate of the cassette and tandem LCF is in the
up position.
(11) Bottom sensor
This sensor detects when the paper lift plate is at the lower unit position for the cassette and tandem
LCF.
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