| 摘要 |
An ink jet head used in an ink jet printer, having a flat nozzle block, and a main tank member which is connected to a base end of the nozzle block and in which is formed a main ink tank for storing ink supplied to ink flow passages formed in the nozzle block. An auxiliary tank member in which an auxiliary tank is formed is connected to the main tank member. A slant surface downwardly inclined from an upstream position to a downstream position with respect to the direction of ink supply is formed as a part of the upper internal wall of the ink tank. Supplied ink collides against this slant surface so that air in the ink separates from the ink.
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