Electrophotography – Diagnostics – Consumable
Reexamination Certificate
2006-09-29
2009-02-17
Tran, Hoan H (Department: 2852)
Electrophotography
Diagnostics
Consumable
C399S049000
Reexamination Certificate
active
07493057
ABSTRACT:
An electrostatic printing machine having a plurality of color stations having a system for maintaining a preset toner age in each of the plurality of color stations, including: determining a toner age for each of the plurality of color stations; determining if purge while run is required based on the toner age for each of the plurality of color stations; defining an area on a unused portion of an imaging frame for a purge patch, the defining includes sizing a plurality of purge patch regions wherein each of the purge patch regions may have a different size; allocating each of the plurality of purge patch regions to at least one color plane from a group of color separations.
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Elliot John G.
Facci John S.
Forbes II Richard L.
Kitchen James P.
Mara Robert M.
Bean II Lloyd F.
Tran Hoan H
Xerox Corporation
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