摘要 |
Object: To provide an ink jet ejection head and an apparatus including the ink jet ejection head, which are suitable for realizing maintenance of an ink jet head in such a manner as restoring ink ejection performance and ensuring satisfactory application free from an ejection failure in one or more nozzles. Solving Means: An ink jet ejection head of a liquid material application apparatus, comprising an ink jet head, a head holding member for holding the ink jet head in a detachable manner, and a changing-over mechanism connected to a liquid supply passage and a pressurized air supply passage, wherein the changing-over mechanism selectively supplies one of a liquid and pressurized air to the ink jet head. The liquid material application apparatus includes the ink jet ejection head.
|