Peripheral Facial Palsy Associated With Ewing's Sarcoma
2008
Printhead operating temperature control by sampling of the printhead's temperature in combination with an algorithm for estimating whether the printhead will exceed its maximum operating temperature during a scan across the media. If the estimation shows that the maximum operating temperature will be exceeded, the printing operation is halted (not aborted) at a convenient location in the scan. The unprinted data of that scan is preserved in memory, and the printhead is allowed to cool. The printhead is returned to the beginning of the scan during which the printing was halted, the scan is restarted, and the printhead is controlled to recommence firing ink drops at the location where the firing had been stopped in the previous scan. The technique for estimating whether the printhead maximum operating temperature may be exceeded takes into account factors (such as the distance to the end of the scan) that, in combination with in-scan temperature sensing, enables the operation of the printhead at a temperature very close to its maximum operating temperature, without exceeding that temperature.
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