| 摘要 |
A head unit, in which unit head rows that are formed by arraying unit heads are respectively arranged in parallel on both sides of a transmission substrate, includes a first liquid fluid channel that is disposed on a first side of the transmission substrate and a second liquid fluid channel that is disposed on a second side of the transmission substrate, in which the unit heads are provided with a flexible cable, a first head fluid channel that sandwiches the flexible cable and is provided on a side that is opposite a transmission substrate side and a second head fluid channel that is provided on the transmission substrate side, the first head fluid channel is in communication with a first liquid fluid channel on a surface side on which the unit heads are disposed, and the second head fluid channel straddles the transmission substrate and is in communication with a second liquid fluid channel on a surface side that is opposite the unit heads. |
