Electrophotography – Internal machine environment – Particle or contaminant control
Reexamination Certificate
2008-01-15
2008-01-15
Royer, William J. (Department: 2852)
Electrophotography
Internal machine environment
Particle or contaminant control
C399S358000
Reexamination Certificate
active
07319831
ABSTRACT:
A waste-sludge discharging unit is provided to discharge waste sludge being removed by a cleaning blade from an image carrier. The waste-sludge discharging unit has a waste-sludge receiver to receive waste sludge gravitating from the image carrier. The waste-sludge receiver has an outlet on one side of a bottom thereof. A blade pushes the waste sludge accumulated on the bottom of the waste-sludge receiver toward the outlet. A blade mover operates the blade. The blade operates in contact with the bottom of the waste-sludge receiver only when being moved toward the outlet.
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Royer William J.
Roylance Abrams Berdo & Goodman L.L.P.
Samsung Electronics Co,. Ltd.
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