Electrophotography – Diagnostics – Unit or part identification
Reexamination Certificate
2003-07-23
2008-12-23
Augustin, Evens J (Department: 3621)
Electrophotography
Diagnostics
Unit or part identification
C399S079000, C347S007000
Reexamination Certificate
active
07469107
ABSTRACT:
A method for providing a virtual replenishing of a supply item with an imaging substance includes the steps communicating to a database a first serial number associated with a first supply item; comparing the first serial number with a plurality of serial numbers stored in the database; receiving from the database one of a first data indicating non-correspondence between the first serial number with one of the plurality of serial numbers and a second data indicating correspondence between the first serial number with one of the plurality of serial numbers, wherein the second data includes a verification key; and if the verification key corresponds to the first key stored in the memory associated with the first supply item, then performing the step of allocating at least a portion of a surplus amount of the imaging substance contained in the first supply item for use.
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Adkins Christopher A
Robertson Douglas L.
Stevenson David C.
Stout Barry B.
Augustin Evens J
Lexmark International Inc.
Taylor & Aust PC
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