| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink jet printing device in which ink jet recording heads eject inks so as to have almost the same dot size when fixed, and so as not to cause bleeding between the adjacent inks. SOLUTION: The printing device has at least the two ink jet recording heads 231, 232 and a jetting device is provided with ink ejecting holes. The printing device allows the ink jet recording head 231 to eject the ink onto a recording medium 15 carried by a recording medium carrying device to form an image, and thereafter allows the ink jet recording head 232 to eject the ink onto the recording medium to form the image. According to the printing device, the inks ejected from the respective ink jet recording heads 231, 232 are made different in surface tension from each other. COPYRIGHT: (C)2004,JPO&NCIPI
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