Image forming apparatus with an image scanning apparatus and an

Details Image forming apparatus with an image scanning apparatus and an Image forming apparatus with an image scanning apparatus and an

1991-06-24

1993-03-09

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355311, G02G 1504

Patent

active

051929759

ABSTRACT:
An image forming apparatus of the present invention has an image forming device including an image scanning device and an automatic document feeder. A document on a platen located on the image forming device is positioned in a predetermined position. The scanning device starts the scanning operation from a starting position opposite to the predetermined position. The scanning position of the scanning device is individually determined to be a position corresponding to the document size detected by the detecting device. Therefore, the image forming operation is performed without failing to form the image on the copying paper. Furthermore, the speed of the image forming operation is increased.

REFERENCES:
patent: 4366219 (1982-12-01), Beery
patent: 4440487 (1984-04-01), Miura
patent: 4538903 (1985-09-01), Lane
patent: 4963934 (1990-10-01), Neza
patent: 4967232 (1990-10-01), Obara
IBM Technical Disclosure Bulletin, vol. 17, No. 9, Feb. 1975, Bacon, "Copy Sheet Size Selection", p. 2690-90A.

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