Paper monitoring device for a copying machine

Details Paper monitoring device for a copying machine Paper monitoring device for a copying machine

1982-08-18

1984-10-02

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 14SH, 355 3SH, G03G 1500

Patent

active

044744544

ABSTRACT:
A control device for operation of a copying machine includes a timer capable of counting a predetermined unit of time and being activated upon completion of a copying operation. The copying machine can be stopped upon the elapse of the predetermined unit of time. Paper detection sensors are provided for determining the presence of copy paper in the transportation paper supply passageway, and upon such detecting the copying machine continues to ensure that any paper in the paper transportation system of the copying machine will be removed. If after a second elapse of time, copy paper is still detected, a jam signal can then be provided to the operator.

REFERENCES:
patent: 3999851 (1976-12-01), Sakamaki et al.
patent: 4017170 (1977-04-01), Komori et al.
patent: 4054380 (1977-10-01), Donohue et al.
patent: 4099214 (1978-07-01), Jones
patent: 4247193 (1981-01-01), Kaneko et al.
patent: 4307957 (1981-12-01), Kitagawa et al.

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