Mechanical dithering of printing mechanisms

Details Mechanical dithering of printing mechanisms Mechanical dithering of printing mechanisms

2011-08-23

2011-08-23

Nguyen, Thinh H (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S016000, C347S019000

Reexamination Certificate

active

08002375

ABSTRACT:
A system including a control module and a vibration generator. The control module is configured to communicate with a printhead having a plurality of nozzles to eject ink onto a print medium to create an image on the print medium. The control module is configured to detect a malfunction of a first nozzle of the plurality of nozzles. The malfunction of the first nozzle causes ink not be ejected onto a first portion of the print medium. The vibration generator, in response to the malfunction of the first nozzle, is configured to vibrate the printhead synchronously with at least one of (i) a timing of firing of the plurality of nozzles and (ii) a speed of the print medium. Ink is at least partially ejected by a second nozzle of the plurality of nozzles, which is adjacent to the first nozzle, onto the first portion of the print medium.

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patent: 2007/0024661 (2007-02-01), Kim et al.
patent: 2007/0176953 (2007-08-01), Han
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The International Search Report and the Written Opinion of the International Searching Authority, or the Declaration dated May 26, 2008 for International Application No. PCT/US2008/000842 filed Jan. 23, 2008; 12 pages.

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