| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink jet recorder having a plurality of removable ink tanks in which residual quantity of ink in each tank can be detected surely and replacement of ink tank can be notified surely. SOLUTION: The ink jet recorder comprising an ink jet recording head and a plurality of ink tanks mounted removably on the ink jet recording head is provided with means for detecting the residual quantity of ink by detecting the weight or a pressure generated through displacement of ink, for example. |
