| 摘要 |
<p>An ink supply device (100) comprising: an ink cartridge (30); and a cartridge mounting portion (110), wherein the ink cartridge (30) is configured to be inserted into the cartridge mounting portion (110) in an insertion direction and thereby mounted to the cartridge mounting portion (110), wherein the ink cartridge (30) comprises: a case (31) comprising an ink chamber formed therein, wherein the ink chamber is configured to store ink therein; and an ink supply opening (71) formed in a front face of the case (31) oriented toward the insertion direction, wherein the ink supply opening (71) is configured to allow ink stored in the ink chamber to pass therethrough, wherein the cartridge mounting portion (110) comprises: an ink introduction tube (122) comprising a wall configured to allow light to pass therethrough, wherein an end portion of the ink introduction tube (122) is configured to be inserted through the ink supply opening (71) during insertion of the ink cartridge (30) into the cartridge mounting portion (110), and the end portion comprises a first reflection surface (382); a light emitter (115) configured to emit light towards the first reflection surface (382) through the wall of the ink introduction tube (122); and a light receiver (116) configured to receive light emitted by the light emitter (115) and reflected by the first reflection surface (382) through the wall of the ink introduction tube (122).</p> |
