METHOD OF CONTROLLING A DIGITAL PRINTER WITH FAILURE COMPENSATION
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United States of America Patent
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app pub date -
Nov 17, 2016
filing date -
Dec 1, 2015
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Abstract
A method of controlling a digital printer having a reciprocating print head with an array of printing elements, the printer being arranged to operate in a selected one of a plurality of print modes, the printer having a failure detection system arranged to detect malfunctioning printing elements and a failure compensation system arranged to compensate a malfunction of a printing element by activating another printing element, the method comprising the steps of:
- a) establishing a list of print modes sorted by decreasing productivity;b) selecting an initial print mode;c) simulating a print operation in the currently selected print mode;d) counting a number of incidents in which a malfunction of a printing element cannot be compensated;e) if the count result is below a given threshold value: keep the selected print mode;f) if not: select the next print mode in the list and repeat steps (c) to (f) for that print mode.
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