Patent attributes
An image forming apparatus includes a conveyer belt that transports sheets, a platen plate that supports the conveyer belt to be slidable, a head holding unit that holds inkjet heads ejecting ink to sheets transported on the conveyer belt and being arrayed in a direction orthogonal to a transport direction of the conveyer belt, and a pair of gap adjustment units that have ends on one side being respectively attached to both ends of a lower surface of the head holding unit and ends on the other side being attached to an upper surface of the platen plate to adjust a gap between the lower surface of the head holding unit and the upper surface of the platen plate.