| 摘要 |
A liquid cartridge is removably mountable to a liquid ejection device of one aspect of the invention. The liquid cartridge includes a sub tank having: a liquid inflow port; a liquid outlet port; a liquid inflow chamber configured to communicate with the outside of a main unit through the liquid inlet port, the liquid inflow chamber allowing the liquid to be supplied from the liquid cartridge through the liquid inflow port; a second liquid storage chamber configured to communicate with the liquid inflow chamber through a second communicating port, the liquid stored in the second liquid storage chamber being allowed to flow out to a liquid ejection head through the liquid outflow port; and an atmosphere opening port. The second communicating port and the liquid outflow port are positioned lower than the liquid supply port.
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