| 摘要 |
PROBLEM TO BE SOLVED: To provide a printing device which can inhibit the deterioration of an image quality in a borderline area between regions to be printed by a plurality of arrays of discharge parts for discharging ink droplets, and a computer program, a printing system and an ink droplet discharging method. SOLUTION: In this ink droplet discharging method, a plurality of the discharge parts have each a plurality of the arrays of discharge parts arranged in a conveyance direction and at least two printing heads, which move in a moving direction crossing the conveyance direction, are provided. In addition, of the arrays of the discharge parts of the mutually different printing heads, the downstream discharge parts of one of the printing heads and the upstream discharge parts of the other printing head, have a plurality of segments where a plurality of the discharge parts are juxtaposed, lined up in the moving direction. When the printing heads move in the moving direction, the discharge parts which actually discharge ink droplets among the segments, are properly changed. This discharging method can be set up for every segment. COPYRIGHT: (C)2005,JPO&NCIPI
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