METHOD TO ACTIVATE A PRINTING ELEMENT OF AN INKJET PRINTER

A method to activate a printing element of an inkjet printer can include determining print data that indicates the usable print image to be printed with image point(s). The image point(s) are arranged at matrix point(s) of a print matrix. The method can also include determining virtual refresh data...

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Bibliographische Detailangaben
Hauptverfasser:	Maier, Christian, Hettler, Wolfgang, Kreiter, Alexander
Format:	Patent
Sprache:	eng
Schlagworte:	CORRECTION OF TYPOGRAPHICAL ERRORS i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES PERFORMING OPERATIONS PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A method to activate a printing element of an inkjet printer can include determining print data that indicates the usable print image to be printed with image point(s). The image point(s) are arranged at matrix point(s) of a print matrix. The method can also include determining virtual refresh data that indicates a virtual refresh image with refresh dots positioned at the matrix points based on a random algorithm, and activating the first printing element based on the virtual refresh data and the print data for the first column of the print matrix. The first printing element can be activated at a matrix point of the first column with: an ejection waveform to eject an ink droplet if the print data indicates an image point; and a vibration waveform to vibrate an ink meniscus of the first printing element without ink ejection if the virtual refresh data indicates a refresh dot.