| 摘要 |
In a first preliminary filling step, ink edge is moved to a position between first and second pressure chambers in an ink supply passage and the second pressure chamber is filled preliminarily with the ink. In a second preliminary filling step, the ink edge is moved to a position between the first pressure chamber and a nozzle in the ink supply passage. Meanwhile, bubbles are discharged from the second pressure chamber and the first pressure chamber is preliminarily filled with the ink. Finally, in the complete filling step, the supply passage is filled entirely with the ink.
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