Patent ID: 8727470

Claim:
A printing device for carrying out printing on a translucent printing medium, the printing device comprising: a conveying portion configured to convey the printing medium in a conveyance direction; a print head for an ink jet printer of a serial printer having a first applying portion, a second applying portion, and a third applying portion, the first applying portion including a first ink ejection head that has a first nozzle and a second nozzle, the first nozzle and the second nozzle being configured to apply a first color material onto the printing medium and arranged in the conveyance direction, the second applying portion including a second ink ejection head that has a third nozzle and a fourth nozzle, the third nozzle and the fourth nozzle being configured to apply a second color material onto the printing medium and arranged in the conveyance direction, the third applying portion including a third ink ejection head that has a fifth nozzle and a sixth nozzle, the fifth nozzle and the sixth nozzle being configured to apply an opaque specialty ink onto the printing medium and arranged in the conveyance direction, the first, third, and fifth nozzles being disposed upstream with respect to the second, fourth, and sixth nozzles in the conveyance direction; and a printing control portion configured to execute printing on the printing medium being conveyed such that a first color-producing layer of the first color material is formed by the first nozzle and the second nozzle, a second color-producing layer of the second color material is formed by the third nozzle and the fourth nozzle, and an opaque light-blocking layer of the specialty ink is formed by the fifth nozzle and the sixth nozzle, the printing control portion executing printing on the printing medium in a first printing mode in such that the first color-producing layer of the first color material is formed using the first nozzle of the first applying portion, the opaque light-blocking layer of the specialty ink is formed over the first color producing layer using the fifth nozzle of the third applying portion, and the second color-producing layer of the second color material is formed over the light-blocking layer using the fourth nozzle of the second applying portion after the light-blocking layer is formed and while the third nozzle of the second applying portion does not apply the second color material onto the printing medium.