| 摘要 |
PROBLEM TO BE SOLVED: To compensate for a head difference when ink is supplied by a common ink cartridge to a plurality of recording heads arranged in an up-down direction. SOLUTION: The ink of the ink cartridge 5 is supplied to the recording heads 1-3 by connecting each of the recording heads 1-3 and the ink cartridge 5 by channels in a manner to have differential pressure regulating valves 14, 24 and 34 for compensating for a differential pressure among the recording heads 1-3 arranged in series. |
