| 摘要 |
PROBLEM TO BE SOLVED: To improve the detection accuracy of an ink residual amount state in a low ink supply device including an ink inlet.SOLUTION: An ink supply device includes an ink inlet for receiving ink injection, an ink storage part communicated with the ink inlet to store ink, an ink flow path communicated with the ink storage part to distribute ink from the ink storage part, a displacement part constituting a part of the ink flow path and displaced according to the inner pressure of the ink flow path so as to be detectable by a printer, an ink supply port communicated with the ink flow path to supply the ink from the ink flow path to the printer, and a sealed structure for sealing the inner part of the ink flow path in at least a low residual amount state where the residual amount of ink in the ink storage part is equal to or less than a set amount. |
