摘要 |
PROBLEM TO BE SOLVED: To smoothly and surely supply a liquid to a liquid ejection head by well supplying the liquid into a liquid supply needle from a cartridge. SOLUTION: A carriage having a cartridge holder which the cartridge is mounted to and the ink supply needle 19 inserted into a needle inserted part 28 of the cartridge, and a recording head 4 attached to the carriage and to discharge the liquid supplied through the ink supply needle 19, are provided. The ink supply needle is constituted of: a cylindrical needle fuselage part; a hollow needle-like frame 33 having a conical needle tip part continuing to the other tip of the fuselage part and an ink passage therein; and an ink absorbing body 34 arranged in the ink passage. In the frame 33, an opening window 38 to communicate the ink passage with an external space is opened. Part of the ink absorbing body is exposed on an outer surface of the frame by arranging the ink absorbing body 34 also in the opening window 38. COPYRIGHT: (C)2005,JPO&NCIPI |