INKJET RECORDING APPARATUS

An inkjet recording apparatus of a line head type where a resolution can be changed simply, and locating of nozzles can be performed simply and accurately is provided. The present invention is an inkjet recording apparatus 100 performing recording to a recording medium 1 using line heads H, wherein the inkjet recording apparatus 100 is provided with a rectangular first base plate 11, a rectangular second base plate 21, and a plurality of the line heads H arranged on the first base plate and the second base plate, wherein a side end of one side of the first base plate 11 has a step-like upper projection portion 12, a side end of the other side of the second base plate 21 has a step-like lower projection portion 22, the upper projection portion 12 and the lower projection portion 22 overlap each other so as to come in surface contact with each other in a vertical direction, and the first base plate 11 and the second base plate 21 are provided side by side in a state where a distal end of the lower projection portion 22 has been caused to abut on the first base plate 11, wherein a resolution is changed by finely moving the second base plate 21 to the first base plate 11 in a longitudinal direction.