Electrophotographic copying machine

Details Electrophotographic copying machine Electrophotographic copying machine

1981-03-16

1983-02-08

Moses, Richard L.

Photocopying

Projection printing and copying cameras

Combined with or convertible to a contact printer

355 55, 355 14R, G03G 1500

Patent

active

043726763

ABSTRACT:
An electrophotographic copying machine of a transfer type has a capability of reproducing an image on a copying paper selectively at a plurality of magnifications and also a capability of feeding copying papers of different sizes. The machine comprises a plurality of timers of a first group operable in common to all of modes of operation of the machine and a plurality of timers of a second group operable during a particular mode of operation, these timers of the first and second groups being sequentially controlled by a microcomputer.

REFERENCES:
patent: 4214833 (1980-07-01), Kono
patent: 4260248 (1981-04-01), Murata et al.
patent: 4269500 (1981-05-01), Ito et al.
patent: 4314754 (1982-02-01), Shimizu et al.

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