作者: Hiroshige Owaki
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摘要: Provided are a liquid jet head unit, manufacturing method thereof and apparatus, the unit being capable of preventing paper jams deformation cover head, from remaining on droplet ejecting surface improving positioning accuracy nozzle arrays print quality. A includes: 220 having including arranged orifices which eject droplets; case 230 fixed to supply port side 220; 240 provided head; fixing plate 250 between 240, has junction 252 that defines exposure openings 251 exposed therein is joined at least both ends surface. In by joining 250, plurality heads positioned common plate.