Printer controller for supplying data to a printhead module having one or more redundant nozzle rows

US7252353B2 · 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: Aug 7, 2007
• Expiry date: Feb 10, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41J2/2139
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A printer controller for supplying dot data to a printhead module comprising at least first and second rows configured to print ink of a similar type or color, at least some nozzles in the first row being aligned with respective corresponding nozzles in the second row in a direction of intended media travel relative to the printhead, the printhead module being configurable such that the nozzles in the first and second pairs of rows are fired such that some dots output to print media are printed to by nozzles from the first pair of rows and at least some other dots output to print media are printed to by nozzles from the second pair of rows, the printer controller being configurable to supply dot data to the printhead module for printing.