| 摘要 |
The present invention provides a method of controlling a thermal head which is capable of maintaining high image sharpness even in high-speed printing. In the method of controlling a thermal head according to the present invention, resistors constituting the thermal head is energized and non-energized, thereby realizing an image with a predetermined gradation. Further, one line period includes one energizing period in which energization is performed and one non-energizing period in which non-energization is performed, and the resistors are energized during the energizing period after the non-energizing period in the one line period.
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