| 摘要 |
A driving condition setting method of an ink jet recording head enables stable discharge of an ink drop irrespective of a difference in a channel volume. In a thermal ink jet recording head, the displacement of a distance (channel volume) from a heating element to a nozzle surface is stored as data into a memory. The ink jet recording head is mounted on an ink jet recording device. A control unit of the ink jet recording device reads the data so as to set a driving condition (the number of pre-pulses) of the heating element based on the data. Therefore, even when the channel volume is displaced by a production error, an ink discharge state can be almost constant, and stable printing performance can be ensured.
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