A highly quality printing of images such as photographs, designs, and the like, is effected without using special paper. The following is provided: a supply mechanism for supplying a recording medium; means for applying a surface modifier for coating the surface modifier on the surface modification area, which is the area to be the modified of the recording medium supplied with the aforementioned means for supplying; and means for drying for drying the surface modification area coated on the aforementioned surface modification area. An area can be printed on the surface modification area with high quality. As such, high quality printing is made possible with regular paper, without using special paper, as before.