| abstract |
PROBLEM TO BE SOLVED: To eliminate a non-ejection and a discharge bend because a cleaning device using a brush cannot completely remove a deposit on a nozzle surface or inside a nozzle. A cleaning device that removes deposits by bringing a brush 55 into contact with a nozzle surface Na of a head 14, and the brush 55 is made of synthetic fiber, natural fiber, carbon fiber, glass fiber, rubber, metal, synthetic material. By using a brush 55 made of a material selected from resins and made of a specific material, it is possible to effectively remove the thickened and aggregated deposits on the nozzle surface and in the nozzle. [Selection] Figure 4 |