| 摘要 |
An inkjet recording apparatus comprises a recording head ejecting ink droplets to perform recording, an ink cartridge, and a mounting portion on which the ink cartridge is detachably mountable. The cartridge has an ink chamber for storing ink, an ink supply port for supplying the ink to the head, and an air introducing port for introducing an atmospheric air into the ink chamber. The mounting portion has an ink supply portion for supplying the ink from the cartridge to the head, and an air introduction portion for supplying the air into the ink chamber. The air introduction portion comprises an air supply port positionally corresponding to the air introducing port of the cartridge as mounted on the mounting portion, an air intake port for taking in the air, and an air supply passage extending between the air supply port and the air intake port and comprising a turn.
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