Facsimile and static presentation processing – Static presentation processing – Dot matrix array
Reexamination Certificate
2008-05-04
2010-11-16
Grant, II, Jerome (Department: 2625)
Facsimile and static presentation processing
Static presentation processing
Dot matrix array
C358S001900, C358S002100
Reexamination Certificate
active
07835029
ABSTRACT:
The invention provides for 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 respectively decompress a bi-level black layer and a continuous tone (contone) layer of a page to be printed. 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 to the processor. The controller further includes 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
Grant II Jerome
Silverbrook Research Pty Ltd
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