Image forming apparatus with residual toner removal

Details Image forming apparatus with residual toner removal Image forming apparatus with residual toner removal

1995-08-02

1997-01-07

Pendegrass, Joan H.

Electrophotography

Image formation

Development

399283, G03G 1508

Patent

active

055922651

ABSTRACT:
An image forming apparatus having a developing device which develops an electrostatic latent image formed on an electrostatic latent image carrier to obtain a visible image. The developing device includes a charge erasing member that erases the electrical charge of residual toner on a developing agent carrier by a charge erasing bias voltage applied thereto. When exposure or not developing is not performed in the image forming apparatus, the charge erasing bias voltage is applied to the charge erasing member. While, during exposure or developing, the charge erasing bias voltage is not applied to the charge erasing member for preventing leaks or discharge phenomenon between the charge erasing member and the developing agent carrier.

REFERENCES:
patent: 4561381 (1985-12-01), Kaneko et al.
patent: 4930438 (1990-06-01), Demizu et al.
patent: 5206691 (1993-04-01), Mizuno et al.
patent: 5506372 (1996-04-01), Guth et al.

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