| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid ejector which can prevent foreign substance from generating in liquid, and a control method thereof.SOLUTION: When setting a maintenance mode with which a predetermined quantity of ink L in a pressure chamber 12 is extruded compulsorily through a nozzle 4 of a nozzle plate 3, earth lines 21 and 8a of a mask plate 10 are intercepted by opening an opening/closing switch 22. |
