Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2007-06-12
2007-06-12
Brase, Sandra L. (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S343000, C399S350000
Reexamination Certificate
active
11055874
ABSTRACT:
The present invention relates generally to image forming equipment, e.g. a laser printer of the type which includes a photoconductive (PC) drum and an associated charge roller. The invention is disclosed in exemplary embodiment as a laser printer incorporating a cleaner element with an electrical potential to sufficiently charge contamination particles on the PC drum to electrically repel from a charged surface, such as the charge roller.
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Gopalanarayanan Bhaskar
McAlpine Robert Watson
Piotrowski Jamie
Stafford Donald Wayne
Brase Sandra L.
Grossman Tucker Perreault & Pfleger PLLC
Lexmark International Inc.
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