Method for controlling an ink jet printer in a multipass printing mode

A printer controller for an ink jet printer controls a print head to selectively print only a portion of the print dots at pixels locations in a print swath during each pass of a print carriage across a print medium. At least four passes are made before the print medium is advanced to a new print sw...

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Bibliographische Detailangaben
Hauptverfasser:	LIDKE, STEVEN L, ERICKSON, PAUL R, PAGEL, JEFF D
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING CORRECTION OF TYPOGRAPHICAL ERRORS COUNTING HANDLING RECORD CARRIERS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTING RECOGNITION OF DATA RECORD CARRIERS SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A printer controller for an ink jet printer controls a print head to selectively print only a portion of the print dots at pixels locations in a print swath during each pass of a print carriage across a print medium. At least four passes are made before the print medium is advanced to a new print swath. The portion of the pixel locations for each pass are chosen such that no pixel location to be printed on that pass is orthogonally or diagonally adjacent to any other pixel location to be printed in the same pass. To improve linear print speed, the print carriage is moved across the print medium at a speed that is greater than a maximum firing rate for the print head divided by a print dot density for the ink jet printer.