| 摘要 |
An ink jet printer is provided with an ink jet head, an applying device, a first storage, an inputting device, and a second storage. The ink jet head comprises a nozzle that discharges an ink droplet toward a print medium, and an actuator that makes the nozzle discharge the ink droplet when a pulse signal is applied to the actuator. The applying device is capable of applying at least two kinds of pulse signals to the actuator. The pulse width of each kind of pulse signal mutually differs. The first storage stores at least two kinds of base pulse widths. Each kind of base pulse width corresponds with a different kind of pulse signal. Each kind of base pulse width mutually differs. The inputting device inputs a predetermined value. The second storage stores the predetermined value input by the inputting device. The applying device determines a pulse width of each kind of pulse signal by multiplying the corresponding base pulse width stored in the first storage by the predetermined value stored in the second storage.
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