Electrophotographic printer with duplex printed sheet output

Details Electrophotographic printer with duplex printed sheet output Electrophotographic printer with duplex printed sheet output

1978-12-29

1981-06-09

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

271186, 355 3SH, G03G 1500, B65H 2900

Patent

active

042721814

ABSTRACT:
Printing apparatus for producing collated sets of duplex printed sheets. The apparatus includes an input sheet feed path for feeding sheets to an electrophotographic imaging apparatus to print one side of a print sheet and an output sheet feed path to feed the sheet from the imaging apparatus to an output stacker. A duplexing sheet feed path can be selectively actuated to divert the sheet from the output path to flip the sheet as the sheet is continuously fed back to the input sheet feed path to print the image on the other side of the sheet. The apparatus is designed to print a plurality of sheet sizes by selective control of pressure and vacuum forces.

REFERENCES:
patent: 2752154 (1956-06-01), Nelson
patent: 2862707 (1958-12-01), Voysey
patent: 3141667 (1964-07-01), Novick
patent: 3615129 (1971-10-01), Drawe et al.
patent: 3788636 (1974-01-01), Rehm et al.
patent: 4095979 (1978-06-01), DiFrancesco et al.
patent: 4129377 (1978-12-01), Miyamoto et al.

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