Phaser 7500 Printer Service Manual 2-55
Theory of Operation
Tray 3/4/5 Feed/ Lift Up Motor (PL10.3.3)
The Tray 3/4/5 Feed/ Lift Up Motor drives the Feed Roll and Nudger Roll when in
forward rotation (CW direction), and raises/ lowers the Bottom Plate of the Tray
Assembly when in reverse rotation (CCW direction).
Tray 3/4/5 No Paper Sensor (PL10.3.6)
The Tray 3/4/5 No Paper Sensor detects whether paper exists inside the Paper Tray
by changes in the Actuator.
No paper: Sensor blocked
Tray 3/ 4/ 5 Nudger Level Sensor (PL10.3.6)
The 3/4/5 Nudger Level Sensor detects whether the paper in the Paper Tray has
reached the Feed Position by the rising of the Bottom Plate.
Raised: Sensor blocked
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