| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the work for replacing each ink cartridge while avoiding erroneous ink supply work. SOLUTION: The ink jet recorder comprises a stock ink solution tank 48 having chambers 48A-48D each storing specified quantity of stock ink solution, and a diluting liquid tank 50 having chambers 50A-50C each storing specified quantity of diluting liquid. When the quantity of ink in at least one of ink tanks 44A-44D is lower than a specified value, a control unit 88 supplies each ink tank 44A-44D with respective stock ink solutions from the stock ink solution tank 48 and respective diluting liquids from the diluting liquid tank 50 through communication paths 58A-58D and 60A-60C after respective inks are discharged. |
