Automatic simplex and duplex copying system

Details Automatic simplex and duplex copying system Automatic simplex and duplex copying system

1996-02-29

1997-05-27

Smith, Matthew S.

Electrophotography

Document handling

Original

399367, G03G 1500

Patent

active

056341873

ABSTRACT:
In a simplex or duplex copier with plural different document inputs, including at least one input normally used for copying single documents and another normally used for copying plural documents, a system is provided for automatically selecting duplex copying whenever appropriate, to save copy sheets, including a controller programmed to automatically select between simplex or duplex copying and to direct the copy sheets into a duplex copying path when duplex copying is selected, and respective document input sensors connected to provide control signals to the controller upon sensing a document at a respective document input, the controller automatically selecting duplex copying unless there is a signal from a document input sensor at a document input normally used for copying single documents, such as a semi-automatic document input or a sensor sensing the lifting of the document handler, or, even though the document input normally used for copying plural documents is the input tray of an automatic recirculating document handler unit, a downstream sensor detects that only a single document was fed from that tray to be copied.

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patent: 5488458 (1996-01-01), Benedict et al.
patent: 5502542 (1996-03-01), Takano

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