Patent ID: 7240998

Claim:
A liquid jetting device comprising: a liquid chamber for containing a liquid to be jetted out; an energy generation element for imparting energy to said liquid in said liquid chamber; and a nozzle for jetting out said liquid in said liquid chamber as a droplet by said energy generation element, wherein a plurality of said nozzles being arrayed to constitute a head, and a plurality of said heads being arrayed in a direction orthogonal to the array direction of said nozzles to constitute a head array, said droplet jetted out from each of said nozzles in said head array being deposited on a recording medium to form a dot, the jetting direction of said droplet jetted out from said nozzle can be deflected by controlling the manner in which the energy is imparted to said liquid by said energy generation element, an error in the deposition position of said dot due to an error in the position of said head in said head array is corrected, and said nozzles are arrayed at a pitch P and said head array comprises S heads, errors in the deposition positions of the dots are corrected so that a center of the dot formed by the droplet jetted out from the n-th nozzle of one head in said head array and the center of the dot formed by the droplet jetted out from the n-th nozzle of another head in said head array are staggered from each other by P/S.