B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/175 (2006.01) G01F 23/28 (2006.01)
Patent
CA 2507422
A method for controlling an ink jet recording apparatus where a liquid container having a piezoelectric device for detecting a liquid inside can be detachably loaded. The control method comprises a measuring step at which a sensor unit disposed inside or outside the ink jet recording apparatus measures the characteristic value of the piezoelectric device, a judgment step of judging whether or not the sensor unit satisfies a predetermined condition, and a control step of bringing the ink-jet recording apparatus into an active or inactive state according to the result of the judgment step. It is possible to judge whether or not the piezoelectric device operates normally, to confirm that predetermined amount of liquid remains in the liquid container, to detect a failure of the liquid container and the piezoelectric device if it occurs, and to measure the inclination of the liquid container.
Kanaya Munchide
Tsukada Kenji
Fetherstonhaugh & Co.
Seiko Epson Corporation
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