| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent the deterioration of linear regulators caused by heat. <P>SOLUTION: This power supply device 11 includes: a plurality of ink ejecting heads 15; a power supply section 70; a plurality of the linear regulators 72; a temperature sensor 60; a voltage calculation section 90; and a control device 24. The control device 24 controls at least one of the power supply section 70 and the plurality of linear regulators 72 so that a voltage difference (V1-V2) of all of a plurality of driving sections 46 is smaller than a prescribed allowable value when a prescribed allowable value or larger is included in a voltage difference (V1-V2) between the main voltage V1 calculated by the voltage calculation section 90 and each driving voltage V2 of the plurality of driving sections 46. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
