Printhead controller for nozzle fault correction
AssigneeSilverbrook Research Pty Ltd
InventorsKia Silverbrook, Simon Robert Walmsley, Mark Jackson Pulver, John Robert Sheahan, Michael John Webb
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Abstract
A printhead controller is provided for supplying print data to a printhead having first and second rows of inkjet nozzles configured to print ink of a similar color. The controller is configured to supply the print data to the printhead such that, in the event a nozzle in the first row is faulty, a corresponding nozzle in the second row prints at a position on print media at or adjacent a position where the faulty nozzle would otherwise have printed.
Claims6
A printhead controller for supplying print data to a printhead having first and second rows of inkjet nozzles configured to print ink of a similar color, the controller being configured to supply the print data to the printhead such that, in the event a nozzle in the first row is faulty, a corresponding nozzle in the second row prints at a position on print media at or adjacent a position where the faulty nozzle would otherwise have printed.
Dependencies are inferred from the claim text.