| 摘要 |
An ink jet printer for high quality printing comprises an ink chamber, a nozzle connected with the ink chamber, a pressure chamber located between the ink chamber and the nozzle, a piezoelectric element facing the pressure chamber, a temperature sensor for measuring at least one of a temperature of ink and a surrounding temperature of the ink jet printer, and a controller. The controller is programmed to perform a first change of voltage applied to the piezoelectric element and a second change of voltage applied to the piezoelectric element. Furthermore, the controller is programmed to change a period between the first change and the second change based on the temperature measured by the temperature sensor.
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