Image developing device using a one-component toner

Details Image developing device using a one-component toner Image developing device using a one-component toner

1999-01-28

1999-11-02

Beatty, Robert

Electrophotography

Image formation

Development

399285, G03G 1508

Patent

active

059786353

ABSTRACT:
An elastic member for pressing is provided in a prescribed location in an area where the developer carrier comes in contact with the discharging member, in order to bring the discharging member into contact with the developer carrier so that mechanical peeling of the residual developer on the developer carrier is not caused, and the discharging member is provided with a bias power supply for setting bias in a direction imparting to the discharging member a force for electrically drawing the residual developer on the developer carrier away from the developer carrier, and after thus reducing the electric adhesion of the residual developer to the developer carrier, the developer feed member removes the residual developer on the developer carrier in the vicinity of disjunction area or in the contact area of the developer carrier and the developer feed member, thereafter applies new developer in a developer container to the developer carrier in the vicinity of approaching area or in the contact-starting area of the developer carrier and the developer feed member.

REFERENCES:
patent: 4866480 (1989-09-01), Hosoya et al.
patent: 4930438 (1990-06-01), Demizu et al.
patent: 4967231 (1990-10-01), Hosoya et al.
patent: 5104707 (1992-04-01), Watanabe et al.
patent: 5287150 (1994-02-01), Kinoshita et al.
patent: 5424817 (1995-06-01), Imamiya et al.
patent: 5568236 (1996-10-01), Toda et al.

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