Ink tank and mounting socket

摘要

An ink tank for an ink jet printer containing an electronic memory device for storing information on the contents of the ink tank, wherein the ink tank has an elongated casing having one end adapted to be inserted into a mounting socket of the ink jet printer in an essentially horizontal direction, and the electronic memory device is configured as a button provided on a bottom side of the casing so as to engage an electric contact of the mounting socket under the weight of the ink tank.