Method of purging ink passages of an ink jet recording device

Details Method of purging ink passages of an ink jet recording device Method of purging ink passages of an ink jet recording device

G - Physics

01

D

101/96.0218, 15/

G01D 15/18 (2006.01) B41J 2/165 (2006.01) B41J 2/20 (2006.01)

Patent

CA 1088142

Abstract of the Disclosure The present invention provides a method of purging or cleaning ink passages of an ink jet recording device of the type in which a series of ink droplets is ejected from an orifice of a printing head towards a recording medium by the volume dis- placement of a pressure chamber provided in the printing head, including the steps of applying pressure required for purging to ink in an ink supply source, keeping a valve to open side and forming a flow of ink in ink passages in one direction towards the orifice, thereby to remove babbles and impurities present in the ink passages together with the discharged ink. Furthermore, in the present invention, there is provided a suction means associ- ated with the ink jet recording device, which is used to obtain more excellent purging object in combination with the above-mentio- ned steps. - 1 -

279935

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