Image forming apparatus comprising control means for feeding a c

Details Image forming apparatus comprising control means for feeding a c Image forming apparatus comprising control means for feeding a c

1996-11-08

1998-03-31

Grimley, Arthur T.

Electrophotography

Document handling

Original and copy

271 315, 399370, 399391, G03G 1500

Patent

active

057349584

ABSTRACT:
An image formation apparatus for transferring an image of an original document to a copy paper sheet. Original documents are placed in an original document tray and copy paper sheets are stored in a paper tray. The original document tray has a tray sensor for sensing the original document placed on the original document tray. Upon transferring the original documents to an image scanning apparatus, a regi-sensor measures the length of the original document when the original document is transported to the scanning apparatus. A value corresponding to a transport distance is stored until the original document leaves the tray sensor based on the length of the original document. The tray sensor can sense when the original document is transported more than the transport distance corresponding to the value stored. Paper is fed out of the copy paper sheet tray to the image transfer apparatus when the controller senses the original document.

REFERENCES:
patent: 5118089 (1992-06-01), Yamada et al.
patent: 5197723 (1993-03-01), Yamada et al.
patent: 5223905 (1993-06-01), Yamada et al.
patent: 5317372 (1994-05-01), Nakabayashi et al.
patent: 5333043 (1994-07-01), Yamada
patent: 5347352 (1994-09-01), Morigami et al.

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