Printer controller with dead nozzle compensation

Details Printer controller with dead nozzle compensation Printer controller with dead nozzle compensation

2006-05-30

2008-12-16

Nguyen, Lamson D (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S015000, C347S019000, C358S001200

Reexamination Certificate

active

07465005

ABSTRACT:
A printer controller able to compensate for inoperative or dead nozzles in a printhead. The printhead includes a plurality of sets of nozzles for printing a corresponding plurality of channels of dot data. The printhead is operated or controlled by the printer controller able to determine one or more operative nozzles capable of printing a dot on print media near a position at which the inoperative nozzle would have printed a dot had it been operative. The printer controller may also compensate for an inoperative nozzle in the printhead by using color redundancy.

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patent: WO 98/40222 (1998-09-01), None
patent: WO 99/08875 (1999-02-01), None

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