| 摘要 |
A thermal type recording apparatus performs printing at multi-tone density by changing an energizing time of a thermal head. The apparatus has a controller for controlling the energizing time and a interrupting circuit. The controller controls the energizing time to match to a value corresponding to a tone density for printing. The interrupting circuit puts an interrupt period of energizing for the energizing time if the energizing time is equal to or more than a predetermined time.
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