A liquid ejection device includes: a liquid chamber with a variable inside volume a volume varying unit which varies the volume inside the liquid chamber according to a drive signal a volume changing unit which changes a representative volume of the liquid chamber an ejection tube having an ejection port for ejecting a liquid from the liquid chamber and a control unit which controls the volume varying unit and the volume changing unit and thereby adjusts pressure inside the liquid chamber. The control unit changes the representative volume according to a moving speed of the ejection port.