The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 22, 2003

Filed:

Oct. 01, 2002
Applicant:
Inventor:

Charles A. Ruffino, Webster, NY (US);

Assignee:

Xerox Corporation, Stamford, CT (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/938 ; B41J 2/165 ;
U.S. Cl.
CPC ...
B41J 2/938 ; B41J 2/165 ;
Abstract

An ink recorder and a method of tracking ink ejections from nozzles of a printhead in the ink recorder to bypass or reduce maintenance of the nozzles is provided. In one aspect, the ink recorder includes: a printhead with a plurality of ink ejecting nozzles arranged in a single column; a print controller with a first and a second raster buffer; a first and a second stroke buffer; a DMA channel; a print engine; and a maintenance controller. In another aspect, the method controls printhead nozzle maintenance during a print job in an ink recorder that prints an image using a plurality of color inks, wherein the single column of nozzles in the printhead includes a segment of active nozzles associated with each color ink and one or more inactive nozzles between each adjacent segment.


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