| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a circulation type liquid jetting apparatus that suppresses an occurrence of unevenness among liquid jetting characteristics of liquid channels and nozzles. <P>SOLUTION: The liquid jetting apparatus includes heads, a circulation channel, and a control unit. Each of the heads is equipped with: a nozzle array in which nozzles to jet inks are arranged in row; individual channels each having a pressure generating chamber and communicated with the nozzle; a manifold 101 communicated with the individual channels; piezoelectric elements for generating pressure change in the pressure generating chamber; and a heater 22 capable of adjusting a temperature of the inks in the manifold 101. Further, the circulation channel is equipped with: a supply channel for supplying the liquid from the outside to the manifold 101; and a recovery channel for recovering the ink from the manifold 101 to the outside. In addition, the control unit for setting the heater 22 which applies thermal gradient, to the ink in the manifold 101, rising from the supplying channel side of the manifold 101 toward recovering side thereof. <P>COPYRIGHT: (C)2013,JPO&INPIT |
