Electrophotography – Image formation – Development
Reexamination Certificate
2008-03-11
2011-10-18
Gray, David (Department: 2852)
Electrophotography
Image formation
Development
C399S274000
Reexamination Certificate
active
08041271
ABSTRACT:
Systems and methods for preventing and/or inhibiting toner scatter inside of laser printer toner cartridges including a shield that is adjacent to the toner regulating member, extends over and adjacent the developing roller, includes triboelectric material of a polarity corresponding to the polarity of the laser printer cartridge during operation and that functions as a physical barrier and as an electrical barrier to direct toner particles that scatter away from the developer roller back toward the developer roller.
REFERENCES:
patent: 5576813 (1996-11-01), Toyama et al.
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patent: 2001/0026705 (2001-10-01), Sato et al.
patent: 2002/0197086 (2002-12-01), Ishibashi et al.
patent: 59139065 (1984-08-01), None
patent: 61204657 (1986-09-01), None
Fischer Or
Gonzales Jesus
Shanun Sagie
Gray David
Wazana Brothers International, Inc
Yi Roy Y
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