Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2011-03-01
2011-03-01
Grant, II, Jerome (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S003120
Reexamination Certificate
active
07898694
ABSTRACT:
Provided is a printer controller for a pagewidth printer having a printhead configured to print ink supplied from an ink cartridge with print quality information. The controller includes a processor having an address, data and control bus, an expander unit and a decoder unit each coupled to the bus and configured to receive a page having a bi-level black layer and a continuous tone (“contone”) layer, to decompress the respective layers in parallel, to halftone the contone layer data to bi-level data, and to composite the bi-level black layer over the bi-level data to form an image. The controller also includes a replaceable ink cartridge comprising a first integrated circuit (IC) containing the print quality information and which is configured to be interfaced with the processor. Also included is a second IC interfaced to the processor which is configured to count a number of drops of ink printed by the printhead, to update a remaining drop count of the ink cartridge using the counted drops printed and then write an updated remaining drop count to the second IC each time a page has been printed.
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Lapstun Paul
Silverbrook Kia
Walmsley Simon Robert
Grant II Jerome
Silverbrook Research Pty Ltd
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