Image defect reduction in image development apparatus

Details Image defect reduction in image development apparatus Image defect reduction in image development apparatus

2007-01-30

2007-01-30

Grainger, Quana (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

11049695

ABSTRACT:
Super wire history image defects in an image development system including one or more electrode wires disposed in a gap between a toner donor roll and an imaging member are reduced by providing an initial toner composition in the image development system, the initial toner composition containing at least 30 number % fine particles having a particle size no greater than 5 μm; and providing replenisher toner into the development system to replenish the toner used to produce images by the image development system; the replenisher toner containing 20 number % or less fine particles having a particle size no greater than 5 μm.

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patent: 4868600 (1989-09-01), Hays et al.
patent: 5409791 (1995-04-01), Kaukeinen et al.
patent: 6248496 (2001-06-01), Galloway et al.

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