Original document reading device

Details Original document reading device Original document reading device

2005-10-26

2008-08-05

Yan, Ren (Department: 2854)

Electrophotography

Document handling

Original

C399S367000, C399S377000, C399S081000, C399S082000, C271S009080

Reexamination Certificate

active

07409184

ABSTRACT:
When an original document is placed on the lift tray, a timer is reset and starts counting a predetermined time (S12). 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 (S13). If a change in the detected width of the original documents is detected (S13returns Yes), control returns to S12and the timer is reset and started again (S12). If there is no change in the detected width of the original documents in S13, control waits for the timer set in S12to time out (S14). If the timer reaches the predetermined time set in S12(S15returns Yes), the lift tray is driven up by the lift motor (S16) and rises until the top limit sensor turns on (S17).

REFERENCES:
patent: 2004/0240916 (2004-12-01), Takata et al.
patent: 54-87217 (1979-07-01), None

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