Electrophotography – Image formation – Development
Patent
1996-06-24
1998-04-21
Brase, Sandra L.
Electrophotography
Image formation
Development
399266, 399290, 399292, G03G 1508
Patent
active
057428859
ABSTRACT:
An apparatus for developing a latent image recorded on a surface including a housing defining a chamber storing a supply of toner. A toner donor member is spaced from the image bearing surface and adapted to transport toner to a region opposed from the surface. A charging device is disposed in the chamber for ion charging the toner. A vibrational driver fluidizes the toner in the chamber. The vibrational driver and a transport member cooperate with one another to define a region wherein a substantially constant quantity of toner having a substantially constant ion charge is deposited on the transport member. The toner is electrostatically transferred from the transport member to the donor member which contains an AC biased self spaced electrode structure so as to form a toner cloud for developing the latent image in an image on image process.
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Bean II Lloyd F.
Brase Sandra L.
Xerox Corporation
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