Patent ID: 8366234

Claim:
An inkjet recording apparatus comprising: an ink-droplet spray head configured to spray an ink droplet; and an ink-droplet detecting unit configured to detect a spray state of the ink droplet, the ink-droplet detecting unit including a light-emitting element configured to emit a light, a light-emitting element holder that holds the light-emitting element, a light-receiving element configured to receive the light emitted from the light-emitting element, a light-receiving element holder that holds the light-receiving element, and a base member on which the light-emitting element holder and the light-receiving element holder are mounted at an emission-side positioning point and a reception-side positioning point, respectively, wherein the light-emitting element holder is adjustably attached to the base member such that the light-emitting element holder is horizontally rotatable around the emission-side positioning point, wherein the light-receiving element holder is adjustably attached to the base member in a slidable and adjustable manner such that the light-receiving element holder is slidable in a direction perpendicular to an upper surface of the base member, and wherein the ink-droplet detecting unit is attached to a main body of the inkjet recording apparatus.