Patent ID: 8668299

Claim:
A fluid-ejecting device comprising: (A) a first nozzle column having first nozzles for ejecting a fluid, the first nozzle column being aligned in a predetermined direction; (B) a second nozzle column having second nozzles for ejecting a fluid, the second nozzle column being aligned in the predetermined direction, and arranged to form an overlapping region in which an end portion toward one end in the predetermined direction overlaps an end portion at another end of the first nozzle column in the predetermined direction; and (C) a controller for ejecting a fluid from the first nozzle column and the second nozzle column in accordance with dot data indicating a dot size converted from inputted image data, the controller ejecting a fluid from the first nozzles in the overlapping region in accordance with dot data obtained from a halftone process performed after multiplying a usage rate of the first nozzle column by incidence rate data for each of the dot sizes, and ejecting the fluid from the second nozzles in the overlapping region in accordance with dot data obtained from a halftone process performed after multiplying the usage rate of the second nozzle column by incidence rate data for each of the dot sizes.