Automatic document feeder for electrophotographic copying machin

Details Automatic document feeder for electrophotographic copying machin Automatic document feeder for electrophotographic copying machin

1988-01-25

1989-07-25

Prescott, A. C.

Photocopying

Contact printing

Light boxes

355321, 355322, 355132, 271 31, 271 10, G03G 1500

Patent

active

048518859

ABSTRACT:
A control mechanism of an automatic document feeder for an electrophotographic copying machine is provided with a plurality of document discharge trays and a selecting device to select one of the document discharge trays to receive a document which has been processed and discharged. The control mechanism generally selects a specified one of the document discharge trays when documents are set on a supply tray and transported sequentially by the feeder. Only while the first of these documents is being transported from the supply tray into a processing position, however, the control mechanism selects a tray other than the specified one such that a document which may have been left inadvertently in the feeder by the previous user does not become mixed with the documents which are discharged subsequently.

REFERENCES:
patent: 4264187 (1981-04-01), Rhodes, Jr.
patent: 4534643 (1985-08-01), Watanabe

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