Ink jet recording apparatus and method of driving ink jet recording head incorporated in the same

摘要

A recording head is provided with a pressure chamber communicated with a nozzle orifice from which an ink droplet is ejected, and a vibration plate which constitutes a part of the pressure chamber. A pressure generating element deforms the vibration plate to vary a volume of the pressure chamber. A drive signal generator generates a drive signal for driving the pressure generating element. The pressure generating element is driven such that the pressure chamber is contracted so as to push out a meniscus of ink from the nozzle orifice such an extent that an ink drop is not ejected therefrom. Then the pressure chamber is expanded so as to pull the pushed-out meniscus toward the pressure chamber. Then the pressure chamber is contracted and held in the contracted state to eject an ink droplet from the nozzle orifice.