Correction value calculating method and method of manufacturing liquid ejecting apparatus

The present invention provides a correction value calculating method and a method of manufacturing liquid ejecting apparatus. The aim of the invention is to stabilize ejecting characteristic of liquid. The method includes: forming a first pattern by a first operation of ejecting the liquid from the plurality of heads while relatively moving the plurality of heads and the medium from one side of an intersecting direction intersecting the predetermined direction to the other side of the intersecting direction; forming a second pattern by a second operation of ejecting the liquid from the plurality of heads while relatively moving the plurality of heads and the medium to the other side of the intersecting direction to the one side of the intersecting direction; calculating, on the basis of the first pattern, a first correction value to line up a landed position of the liquid ejected in the first operation from an end nozzle of a certain head among the plurality of heads on one side of the predetermined direction