Original document reading device

Details Original document reading device Original document reading device

2011-03-08

2011-03-08

Nguyen, Judy (Department: 2854)

Electrophotography

Document handling

Original

C399S081000, C399S082000, C399S365000, C399S377000, C271S009080

Reexamination Certificate

active

07904016

ABSTRACT:
When an original document is placed on the lift tray, a timer is reset and starts counting a predetermined time. Whether an alignment device is moved to adjust the original documents loaded on the lift tray in, for example, the widthwise direction transverse to the transportation direction is then determined. If a change in the detected width of the original documents is detected, the timer is reset and started again. If there is no change in the detected width of the original documents, a control waits for the timer to time out. If the timer reaches the predetermined time, the lift tray is driven up by the lift motor and rises until the top limit sensor turns on.

REFERENCES:
patent: 7219888 (2007-05-01), Trovinger et al.
patent: 2004/0240916 (2004-12-01), Takata et al.

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