JP2009148928A5 - - Google Patents

Claims (6)

A recording head having an ejection port forming surface formed with a plurality of ejection ports for ejecting liquid;
A liquid ejecting apparatus comprising: a meniscus generating apparatus that generates the liquid meniscus;
The meniscus generating device generates the meniscus by repeating an operation of pushing out the liquid to the injection port forming surface side without ejecting the liquid from the injection port and an operation of drawing the liquid into the injection port. Liquid ejecting device. The liquid ejecting apparatus according to claim 1, further comprising a liquid channel that connects the liquid reservoir that stores the liquid and the liquid ejecting head, wherein the meniscus generating device is provided in the liquid channel. . The recording head includes a liquid ejecting unit that ejects the liquid from the ejection port by performing periodic pressurization,
The said meniscus production | generation apparatus performs the said extrusion operation | movement and drawing-in operation | movement by pulsating the said liquid in the said liquid flow path with a large amplitude and a low frequency compared with the said liquid injection means. The liquid ejecting apparatus described. The meniscus generator apparatus performs push operation and retraction operation of the liquid, the liquid injection device according to any one of claims 1 to 3, characterized in that minutely vibrating the meniscus. The liquid ejecting apparatus according to claim 4 , wherein the meniscus generating device includes an electric syringe. After generation of the meniscus, the liquid ejecting apparatus according to any one of claims 1 to 5, characterized in that it comprises a wiping mechanism to perform the wiping operation for wiping the ejection opening forming surface.