| http://www.w3.org/ns/prov#value | - Technical Field [0002] The present invention relates to an ink tank with an ink absorbing member absorptively retaining ink, and more particularly to an ink tank with a detected portion capable of exactly detecting when ink in the ink tank has been depleted, including the amount of ink used or remaining in the ink tank, and an ink jet printer using the ink tank as an ink supplying source. [0003] 2
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