Integrated toner transport/toner charging device

Details Integrated toner transport/toner charging device Integrated toner transport/toner charging device

1999-05-17

2000-08-29

Royer, William

Electrophotography

Image formation

Development

G03G 1508

Patent

active

061120448

ABSTRACT:
An apparatus for developing a latent image recorded on an imaging surface, including a housing defining a chamber storing a supply of developer material including toner; a donor member, spaced from the imaging surface, for transporting toner on the surface thereof to a region opposed from the imaging surface, said donor member includes an electrode array on the outer surface thereof, said array including a plurality of spaced apart electrodes extending substantial across width of the surface of the donor member; a multi-phase voltage source operatively coupled to said electrode array, the phase being shifted with respect to each other such as to create an electrodynamic wave pattern for moving toner particles to and from a development zone; and a charging device for charging toner on the surface of said donor member.

REFERENCES:
patent: 5717986 (1998-02-01), Vo et al.

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