Multi-color copying machine

Details Multi-color copying machine Multi-color copying machine

1988-06-27

1990-08-07

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355326, 355245, G03G 2100

Patent

active

049472100

ABSTRACT:
A copying machine which includes several developing units adapted to accommodate respective masses of powdery developers of different colors; a specifying unit for specifying a position, which will constitute the boundary of a copying area, in a direction conforming to the direction of scan of a scanning system; a copying contorl unit for selectively switching and driving the developing units in correspondence with the position of the boundary of the copying area specified by the specifying unit, so as to accomplish a multi-color copying during one cycle of copying operation, and an eraser for erasing a predetermined range in the scanning direction in reference to the position of the boundary of the copying area specified by the specifying unit.

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