Image forming apparatus using photosensitive toner

Details Image forming apparatus using photosensitive toner Image forming apparatus using photosensitive toner

1990-09-10

1991-09-03

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355269, G03G 1500

Patent

active

050458795

ABSTRACT:
Disclosed is an image forming apparatus in which photosensitive toner remaining on an electrically-conductive drum after the formation of an image is collected and then used again for the subsequent process of forming an image. The apparatus comprises a toner storage unit including a toner feed system and a toner collecting system both disposed within a single housing. The toner feed system feeds toner onto an electrically-conductive drum for the formation of an image. The toner collecting system includes a blade for removing the toner remaining on the conductive drum after the formation of the image, and also includes a transporting paddle or a feeder for delivering the removed toner back to the toner feed system, the toner then being supplied again onto the electrically-conductive drum for the subsequent image-forming process.

REFERENCES:
patent: 4129072 (1978-12-01), Fujii et al.
patent: 4634646 (1987-01-01), Sano et al.

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