| 摘要 |
PROBLEM TO BE SOLVED: To obtain a recording head being applied to an inkjet printer in which the recording head can be maintained easily in a state of being capable of ejecting ink stably. SOLUTION: In a filtering means 20, a filter 23 is divided into a first filtering region 23a and a second filtering region 23b. An ink valve 25 openable/closable under the control of a control means is provided in a second ink introduction passage 24b connected with the second filtering region 23b having a larger area. The ink valve 25 opens when an image is formed on a recording medium R and closes when ink is sucked. COPYRIGHT: (C)2004,JPO |
