| http://www.w3.org/ns/prov#value | - 20110227972INK JET PRINTING APPARATUS AND INK TANK - Provided is an ink jet printing apparatus that receives light from the light emitting part of the ink tank in the light receiving part; on the basis of a result of the light reception, determines an attachment position of the ink tank; and controls the light from the light emitting part to inform the ink tank state, wherein the light emitting pa
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