Electrophotography – Image formation – Development
Reexamination Certificate
2008-09-10
2011-11-08
Porta, David (Department: 2884)
Electrophotography
Image formation
Development
C399S252000, C399S279000, C399S286000, C492S018000, C492S048000, C492S053000
Reexamination Certificate
active
08055166
ABSTRACT:
Exemplary embodiments provide a roll member that includes one or more linear arrays of actuator cells and methods for making and using the roll member. In one embodiment, each linear array of the roll member can be controllably actuated as a group by, e.g., an oscillating voltage, to release toner particles adhered thereto and to form a uniform toner cloud in the development area between the roll member and an image receiving member. The controllable actuation can also aid in the unloading process of the residual toner particles from the roll member. In various embodiments, the uniform toner cloud and/or the controllable unloading process can enable a non-interactive development system for image-on-image full-color printing.
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Mestha et al., “Active Image State Control with Distributed Actuators and Sensors on Development Rolls”, U.S. Appl. No. 12/208,050, filed Sep. 10, 2008.
Kubby Joel A.
Mashtare Dale R.
Mestha Lalit Keshav
Ramesh Palghat
Shaw John G.
Eley Jessica L
MH2 Technology Law Group LLP
Porta David
Xerox Corporation
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