| 摘要 |
PURPOSE: An ink sensor is provided consecutively to supply the ink to a printer and to maintain a fixed ink level after detecting the ink level. CONSTITUTION: An ink cartridge(120) is connected an ink storing tank or an ink storing pack(110) in which the ink is stored to be supplied to a printer. The ink cartridge supplies the ink to the printer when an ink transferring needle(121a) is opened once the buoyancy of the ink is transmitted to a first float(124) through a second float(126) ascended and descended according to an ink filling level. An ink sensing member(130) detects the ink amount change in the ink cartridge and is located in the location near the second float.
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