Sheet supply device for aligning a sheet at a reference position

Details Sheet supply device for aligning a sheet at a reference position Sheet supply device for aligning a sheet at a reference position

1993-07-07

1995-01-10

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Multiple supplies

271227, 271265, B65H 344, B65H 702

Patent

active

053799941

ABSTRACT:
According to the sheet supply device of this invention, a sheet supplied from a sheet supply cassette is fed to a reference position. On the basis of a distance between where the sheet is fed from the reference position to where a tip portion of the sheet is detected by a sheet detection sensor, a sheet feed amount is determined. The sheet feed amount corresponds to the position where the sheet will be fed to a sheet supply completion position after the tip portion of the sheet is detected by the sheet detection sensor. Accordingly, the tip portion of the fed sheet is accurately located at the sheet supply completion position. Thus, an image can be formed at a predetermined position on the sheet through printing, copying or other image-forming operations.

REFERENCES:
patent: 4982228 (1991-01-01), Watanabe
patent: 5018718 (1991-05-01), Matsuno et al.
patent: 5056775 (1991-10-01), Kida
patent: 5228680 (1993-07-01), Sugiura

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