Photocopying – Contact printing – Light boxes
Patent
1987-12-16
1989-07-04
Braun, Fred L.
Photocopying
Contact printing
Light boxes
355314, 355319, 355211, G03G 2100
Patent
active
048455288
ABSTRACT:
A double-sided image forming apparatus having first and second input devices respectively for entering function data for desired image formation functions and for entering the number of copies to be formed. A memory is provided to store the function data, and a storage compartment is provided to store sheets during duplex copying. An image forming device is arranged to operate in two procedures: a first procedure in which image formation is effected on the sheet's first side in accordance with first function data, and a second procedure in which image formation is effected on the other side in accordance with a second, different, function data. A controller controls the image forming device so that entry of number data and function data is permitted before the first procedure begins, but so that entry of only function data and not number data is permitted after completion of the first procedure. A detecting device is provided to detect the presence of sheets in the storage compartment, and the controller operates until sheets are no longer detected.
REFERENCES:
patent: 4067649 (1978-01-01), Hubbard et al.
patent: 4099860 (1978-07-01), Connin
patent: 4110032 (1978-08-01), Hubbard et al.
patent: 4123155 (1978-10-01), Hubert
patent: 4162848 (1979-07-01), Platt
patent: 4327993 (1982-05-01), Gauronski et al.
patent: 4437756 (1984-03-01), Kawakubo et al.
Aoki Tomohiro
Furuichi Katsushi
Honma Toshio
Kasamura Toshirou
Kawakubo Kazuo
Braun Fred L.
Canon Kabushiki Kaisha
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