Electrophotographic copying apparatus equipped with copying cove

Details Electrophotographic copying apparatus equipped with copying cove Electrophotographic copying apparatus equipped with copying cove

1979-03-06

1981-04-07

Hix, L. T.

Photocopying

Projection printing and copying cameras

Focus or magnification control

355 14C, 355 75, G03G 1500, G03B 2752

Patent

active

042602483

ABSTRACT:
An electrophotographic copying apparatus is equipped with an indication device for the maximum area to be covered by copying, i.e. the area available for copying or copying coverage. The copying coverage indication device which includes a micro-computer is arranged to indicate the area to be covered by copying according to the sizes of copy paper sheets and copying magnifications for preventing use of copy paper sheets of unnecessarily large or small sizes, and is capable of warning an operator of the necessity for exchanging sizes of copy paper sheets.

REFERENCES:
patent: 3560087 (1971-02-01), Washio et al.
patent: 3877809 (1975-04-01), Suzuki et al.

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