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Confidential
3.3.1 Plate-up Function of the Paper Tray
The plate ASSY in the paper tray is pushed up with the motor drive and not with the spring in
order to maintain the constant pressure to the feed roller and to give the paper feeding
performance.
When the paper tray (Tray1 cassette) is installed into the printer, the lift gear 46 is rotated,
and the motor drive is transmitted to the plate ASSY so that it is pushed up.
Fig. 2-13
When the feed roller is pushed up, the hook is released by the lift arm, and the rotation of the
clutch gear is stopped. Then, the pressure plate is stopped to push up.
Fig. 2-14
When the tray is pulled out from the printer, the pressure plate is returned to the original position.
When the tray is put into the printer, the above operation is performed from the start again.
Lift gear 46
Gear 21-16
Gear 15
P/P gear 22/B23
tray drive
P/P clutch hook B
Plate up plate
Plate ASSY
P/P differential
P/P gear 29 clutch cam
P/P clutch hook A2
P/P clutch hook A1
Stop