Electrophotography – Image formation – Development
Patent
1996-03-29
1999-03-30
Braun, Fred L.
Electrophotography
Image formation
Development
399291, G03G 1508
Patent
active
058900420
ABSTRACT:
A hybrid jumping development system utilizing two component developer and providing an improved device for controlling developed toner mass. Toner is metered onto a donor structure and a toner cloud is formed in a development nip between the donor structure and the charge retentive surface having a latent electrostatic image thereon. The toner cloud is formed by applying an alternating potential to the donor structure so as to cause the toner particles to jump off of the donor structure. The duty cycle of the AC potential is used to control the toner cloud and thus the amount of toner developed on the charge retentive surface.
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Swales Michael G.
Wong Lam F.
Braun Fred L.
Kepner Kevin R.
Xerox Corporation
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