There is provided an ink-jet recording apparatus including: a transporting roller; a driven roller provided opposite the transporting roller to sandwich the recording medium between the driven roller and the transporting roller, while moving in an approaching-departing direction based on a thickness of the recording medium; a first biasing member biasing the driven roller to the transporting roller; a platen; a recording portion configured to jet ink droplets from nozzles; and a cooperative portion moving along with the movement of the driven roller in the approaching-departing direction to move the platen.