| 摘要 |
<p>A method of detecting a liquid residual quantity in a liquid container, the liquid container including: a supply port through which a liquid is supplied to a liquid consuming apparatus; a liquid containing chamber that discharges the liquid stored therein through a liquid discharge port; a liquid detection chamber (21) that is connected to the liquid containing chamber, a volume of which can be increased according to an inflow of the liquid from the liquid containing chamber and can be reduced when the inflow of the liquid from the liquid containing chamber stops; a detection unit (11) for detecting a change of the volume of the liquid detection chamber; and a valve mechanism (12) that is disposed between the liquid containing chamber and the liquid detection chamber (21) and can block the inflow of the liquid from the liquid containing chamber to the liquid detection chamber (21), and wherein the detection unit performs a detection operation in a state where the volume of the liquid detection chamber is reduced by sucking the liquid in the liquid detection chamber through the supply port while the valve mechanism is closed and in a state where the valve mechanism is opened.
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