| 摘要 |
PROBLEM TO BE SOLVED: To enhance reliability of cleaning operation of a liquid jetting head while enjoying the function of a liquid supplying valve unit having a self sealing function. SOLUTION: A carriage 15 is movably inserted to and supported by a guide member 14 of an inkjet type printer 11. On the carriage 15, a recording head 19 and the valve unit 21 which supplies ink to the recording head 19 are mounted. An ink cartridge 23 provided on a frame 12 is connected to the valve unit 21 via supply tubes 28. In accordance with the consumption amount of the ink of the recording head 19, the ink is supplied from the ink cartridge 23 to the valve unit 21. A channel valve 30 is provided in the middle of the channels of the supply tubes 28 and in the upstream of the valve unit 21. The channel valve 30 can change the flow rate of the ink that flows through the supply tubes 28. COPYRIGHT: (C)2007,JPO&INPIT |
