| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a technology that improves the efficiency of maintenance performed to a head and a passage member in a head unit including the head, the passage member, and an electric circuit board and an image recording device including the head unit.SOLUTION: A head unit includes: an electric circuit board 67; a first holding member which holds the electric circuit board 67; a head which discharges a liquid; a passage member having a passage in which the liquid supplied to the head flows; and a second holding member which holds the head and the passage member. The first holding member and the second holding member are attached to or detached from each other.</p> |
