Manual paper feed inhibiting device in electrographic copying ma

Details Manual paper feed inhibiting device in electrographic copying ma Manual paper feed inhibiting device in electrographic copying ma

1981-02-03

1982-09-14

Prescott, Arthur C.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 3SH, 355 3FU, 355 14FU, 432 4, 432 11, 432 35, 271256, 271262, 271263, G03G 1500

Patent

active

043492690

ABSTRACT:
An electrophotographic copying machine comprises at least one paper supply unit from which a copying is automatically supplied towards a processing station, a manual feed mouth through which a copying paper is manually inserted into the machine, an electrophotographic processing unit for forming thermally fusible powder image on the copying paper, and a heat-fixing device for fusing and fixing the powder image on the copying paper. This machine is provided with a manual paper feed inhibiting device operable in such a manner the manual feed of the copying paper through the manual feed mouth is permitted only when and after the heat fixing device has attained the predetermined high temperature.

REFERENCES:
patent: 2641997 (1953-06-01), Butterfield et al.
patent: 2857682 (1958-10-01), Olden et al.
patent: 4008957 (1977-02-01), Summers
patent: 4078166 (1978-03-01), Kitamura et al.
patent: 4145599 (1979-03-01), Sakurai et al.
patent: 4267434 (1981-05-01), Simpson

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