Printer controller for supplying dot data to at least one printhead module having faulty nozzle

US7607757B2 · kind B2 · utility

Assignee

• Silverbrook Research Pty Ltd · AU

Inventors

• Kia Silverbrook · Sydney, AU
• Simon Robert Walmsley · Sydney, AU
• Richard Thomas Plunkett · Sydney, AU
• Mark Jackson Pulver · Sydney, AU
• John Robert Sheahan · Sydney, AU
• Michael John Webb · Sydney, AU

Key dates

• Filing date: May 27, 2004
• Grant date: Oct 27, 2009
• Expiry date: Jun 18, 2027

Classification

• Technology area (CPC G): Physics
• CPC primary: G06K2215/0085
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A printer controller for supplying dot data to at least one printhead module, the at least one printhead module comprising a plurality of rows, each of the rows comprising a plurality of nozzles for ejecting ink, wherein the printhead module includes at least first and second rows configured to print ink of a similar type or color, the printer controller being configured to supply the dot data to the at least one printhead module such that, in the event a nozzle in the first row is faulty, a corresponding nozzle in the second row prints an ink dot at a position on print media at or adjacent a position where the faulty nozzle would otherwise have printed it.