Method and apparatus for controlling the duplex copy mode in an

Details Method and apparatus for controlling the duplex copy mode in an Method and apparatus for controlling the duplex copy mode in an

1976-01-23

1978-01-10

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

96 1R, 271 9, 355 3SH, G03G 1500

Patent

active

040676498

ABSTRACT:
A document reproduction machine operates either in a simplex mode (each copy has an image only on one side) or in a duplex mode (copies have images on both sides). In the duplex mode, an interim storage unit stores partially completed copies (only one side of the duplex copies have an image). A second copy run completes the duplexed copy production. For an odd number of originals, at the end of a duplex copy run, the last-produced copy set resides in the interim storage unit. In one aspect of the disclosure, in response to an indication of the end of a duplex run, the machine automatically transfers the last-produced copy set from the interim storage unit to a copy output unit. In another aspect of the disclosure, any change between simplex and duplex modes actuates the machine to empty the interim storage unit.

REFERENCES:
patent: 3615129 (1971-10-01), Drawe et al.
patent: 3645615 (1972-02-01), Spear
patent: 3900192 (1975-08-01), Gibson
patent: 3907283 (1975-09-01), Miller
patent: 3944359 (1976-03-01), Fisk et al.
patent: 3989371 (1976-11-01), Valentine

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