Electrophotography – Internal machine environment – Particle or contaminant control
Patent
1996-08-29
1998-02-24
Brase, Sandra L.
Electrophotography
Internal machine environment
Particle or contaminant control
399 98, 399400, G03G 2100
Patent
active
057220123
ABSTRACT:
An electrophotographic image forming apparatus has an image forming device for forming a toner image, an image transfer device for transferring a toner image to a sheet, a toner fixing device for fixing the toner on the sheet and a conveying device for conveying the sheet from the image transfer device to the toner fixing device. A toner removing device is positioned in a conveyance path of the sheet from the image transfer device to the toner fixing device for removing toner from back of the sheet. The toner removing device assumes an electrical bias having a polarity opposite that of the toner.
REFERENCES:
patent: 4370050 (1983-01-01), Matsui et al.
patent: 4827311 (1989-05-01), Bothner et al.
patent: 5227844 (1993-07-01), Bhattacharjee et al.
patent: 5394224 (1995-02-01), Irobe
Brase Sandra L.
Ricoh & Company, Ltd.
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