Printing device, control method, and printing system
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United States of America Patent
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Nov 14, 2017
Issued Date -
N/A
app pub date -
Dec 2, 2016
filing date -
Dec 4, 2015
priority date (Note) -
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Abstract
A thermal printer with head elements enables accurately determining the state of deterioration of the head elements, and minimizing the amount of stored data. A printing device has a thermal head having multiple head elements; a voltage application circuit configured to apply a printing voltage and an inspection voltage to the head elements; a head controller configured to control the thermal head and the voltage application circuit; and data storage configured to store a conversion table relationally storing a divided voltage and a resistance of the head elements. At a specific timing, the head controller applies the inspection voltage to the head elements by the voltage application circuit, measures the divided voltage of the head elements, converts the measured divided voltage to resistance based on the conversion table, acquires deterioration information based on the converted resistance, and stores the deterioration information in the data storage.
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