Duplex copying method

Details Duplex copying method Duplex copying method

1985-09-30

1987-03-17

Moses, R. L.

Photocopying

Including fiber optics

355 23, 355 26, 355 77, G03G 2100

Patent

active

046503137

ABSTRACT:
A duplex copying method of making duplex copies from one-side originals, using an electrophotographic duplex copying machine provided with an ADF and an original detection means capable of detecting the presence or absence of original document in an original input tray of the ADF, and a means for detecting whether copying is performed on a front, odd-numbered side of a transfer sheet or a back, even-numbered side of a transfer sheet, and a sheet transportation change-over means for changing the transportation so as to discharge a one-side copy sheet, with the image side down, onto a copy sheet output tray, without transporting the copy sheet to the stations for forming images on the back side thereof, when it is detected that there is no original in the original input tray of the ADF during the detection of the front side copying in a one-side original - duplex copy mode.

REFERENCES:
patent: 4125325 (1978-11-01), Batchelor et al.
patent: 4330197 (1982-05-01), Smith et al.
patent: 4362379 (1982-12-01), Tiek et al.

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