| 摘要 |
An inkjet recording device of the present invention includes an inkjet head and a cap. The inkjet head includes a passage unit formed by a lamination of at least one plate and a nozzle plate. Amongst the plate and the nozzle plate, a plate positioned farther from the nozzle plate has a larger plane shape than a plate closer to the nozzle plate so that the passage unit has, around the entire circumference thereof, a stair-like shaped outer circumferential wall. When the cap covers a plurality of nozzles that the nozzle plate has, the circular protrusion abuts the outer circumferential wall of the passage unit so as to enclose the nozzle plate within the recessed portion.
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