| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid supply device and applying device in which failures due to the change of the physical properties of a liquid to be applied or the cleaning insufficiency of the inside of the device are avoided, abnormal operation of each part of the device or misloading of a liquid is prevented and the liquid is stably applied and an image forming device using the same. SOLUTION: When a cleaning treatment of a coating part 12 is carried out, a coating liquid in the coating part 12 is discharged from a discharge flow passage 64 and a diluting liquid is supplied to the coating part 12 through a supply passage 36 from a diluting liquid tank 42. A cleaning liquid after cleaning is recovered from a coating pan 24 through the supply flow passage 36 to a coating liquid tank 32 and then a supply pump 40 and the concentration sensor 48 provided in the supply flow passage 36 and the supply flow passage 36 are also cleaned. Because the recovered cleaning liquid is passed through the concentration sensor 48, a cleaning state is monitored based on the concentration value of the cleaning liquid after cleaning and the operation of the supply pump 40 and the coating liquid supply valve 38 is confirmed. COPYRIGHT: (C)2011,JPO&INPIT
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