Developing device for electrophotographic image recording appara

Details Developing device for electrophotographic image recording appara Developing device for electrophotographic image recording appara

1991-06-26

1993-09-28

Grimley, A. T.

Photocopying

Contact printing

Light boxes

222DIG1, G03G 1506

Patent

active

052490203

ABSTRACT:
In an electrophotographic image developing device, a toner chamber, for accommodating toner to be used to develop an image, is arranged to be selectively coupled to one of a toner cartridge and an additional toner holding member. The additional toner holding member functions as an expansion of substantial toner accommodating space in the image developing device. In the toner hopper to be coupled with the toner holding member, the upper surface of the toner accommodated therein is leveled before it is transferred to the toner chamber. Alternately, the cartridge is constructed so that it is able to be coupled with the toner hopper.

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English Translation of Patent Abstract (Patent Abstracts of Japan; P-902, Jul. 20, 1989; vol. 13, No. 322.
English Translation of Patent Abstract (Patent Abstract of Japan; P-876, May 24, 1989; vol. 13, No. 222.

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