Hybrid scavengeless development using ion charging

Details Hybrid scavengeless development using ion charging Hybrid scavengeless development using ion charging

1998-06-01

1999-09-07

Royer, William

Electrophotography

Image formation

Development

399291, G03G 1508

Patent

active

059500573

ABSTRACT:
An apparatus and method for enhancing toner charge level in a hybrid scavengeless development system. The system includes a housing defining a chamber storing a supply of developer material including toner; a toner donor member spaced from the surface and being adapted to transport toner to a region opposed from the surface; A mag roll conveys the developer material in the chamber of the housing onto a region of the donor member; A charging device ion charges the toner loaded on the region of the donor member; and an electrode member space near the surface of the donor member being electrically biased by a power supply to detach toner from the donor member as to form a toner cloud for developing the latent image.

REFERENCES:
patent: 3697169 (1972-10-01), Maksymiak et al.
patent: 5128723 (1992-07-01), Bolte et al.

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