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US07641322B2 Printing apparatus 失效
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Printing apparatus
Abstract:
A printing apparatus includes: a common liquid chamber that stores electrically conductive liquid; plural liquid transfer paths extending from the common liquid chamber to a print medium; a liquid deriving and transferring unit that selectively derives liquid from the common liquid chamber to the plural liquid transfer paths and transfers liquid to the print medium; and a liquid transfer controlling unit that controls the liquid deriving and transferring unit. The liquid deriving and transferring unit has: plural electrodes respectively provided along the plural liquid transfer paths; a voltage applying unit that selectively applies a voltage to the plural electrodes; and an insulating film provided on surfaces of the plural electrodes and adapted to reduce, when the voltage applying unit applies a voltage to one of the electrodes, liquid repellency of a part corresponding to the one of the electrodes.
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