| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink circulation device capable of shortening a warming-up time from the starting of an inkjet recording device to recording start without changing an ejection speed of ink droplet to be ejected.SOLUTION: An ink circulation device includes: a first tank which includes a discharge port for discharging ink in a container and an influent port for making the ink influent into the container; a second tank which includes an influent port for making the ink discharged from the first tank influent and a discharge port for discharging the liquid to the first tank; a pump for feeding the ink from the second tank to the first tank; and an inkjet head which is arranged in the middle of a channel which connects the first tank and the second tank and ejects the ink. Further, the ink circulation device has a control part which, when a temperature of the ink measured near the ink influent port of the inkjet head is lower than a range of ejection proper temperature of the ink, causes ink circulation flow rate to vary in accordance with the temperature of the ink and controls an ejection speed of the ink.SELECTED DRAWING: Figure 5B |
