When printing on a printing medium, a second image adjacent to a first image, which is already printed, control is performed such that the trailing edge of a first coating layer of the first image transferred onto the printing medium does not reach the trailing edge of the first image, and the leading edge of a second coating layer transferred onto the second image is either the same as the trailing edge of the first coating layer of the first image or is made to overlap with the trailing edge of the first coating layer.