Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2007-08-21
2007-08-21
Nguyen, Lam Son (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S007000, C347S019000
Reexamination Certificate
active
11122399
ABSTRACT:
A method informs a user of an ink jet printer of the end of life of a consumable. The consumable supplies ink to a printhead having a plurality of ink ejection nozzles and an associated plurality of ink jetting actuators, each of the plurality of ink jetting actuators being addressable. The printhead includes a plurality of address lines for facilitating selection of one or more of the plurality of ink jetting actuators. The method includes the steps of defining a notice threshold that is associated with a corresponding amount of ink remaining in the consumable; providing control logic for selectively controlling the plurality of address lines; determining whether the amount of ink remaining in the consumable has reached the notice threshold; and upon reaching the notice threshold, reducing an image density of images formed by the printhead by selectively disabling at least one of the plurality of address lines.
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Anderson Frank Edward
Parish George Keith
Strunk Timothy
Zbrozek John Dennis
Lexmark International Inc.
Nguyen Lam Son
Taylor & Aust PC
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