Electrophotographic image forming apparatus having a device for

Details Electrophotographic image forming apparatus having a device for Electrophotographic image forming apparatus having a device for

1996-07-16

1998-12-22

Braun, Fred L.

Electrophotography

Having particular structure

Modular or displaceable

399359, G03G 1500, G03G 2100

Patent

active

058527575

ABSTRACT:
An electrophotographic image forming apparatus including a toner circulating mechanism for recovering a residual toner scraped from a photosensitive drum to a developing device. The developing device includes a housing for defining a toner chamber, a developing roller rotatably mounted in the housing, an agitator rotatably mounted in the housing and provided in the toner chamber, and a partition member mounted to the housing to define a carrier chamber between the partition member and the developing roller. The toner circulating mechanism directly returns the residual toner scraped from the photosensitive drum to the toner chamber in the developing device. The toner chamber may contain a foreign matter removing device. The partition member may have various shapes.

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