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Thermotransfer printer, and method for controlling activation of printing elements of a print head thereof

Image Number 4 for United States Patent #7508405.

In a printer and a method for control of the print head thereof operating according to the thermotransfer principle, the print head having a number of printing elements for which an energy quantity to be supplied to one of the printing elements is determined in a determination step and the energy quantity is supplied to that printing element in a supply step in order to transfer ink from an ink carrier device associated with the print head onto a substrate associated with the ink carrier device, by the energy quantity is determined in the determination step dependent on the print image type of the print image in the region of the image point.

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