A conveyor device includes a drive roller that conveys a tray or a sheet through a conveying path, a rotating shaft that rotates between a third position and a second position via a first position, a spur roller that moves between a fourth position and a fifth position, a first contacting portion that is disposed in the conveying path when the rotating shaft is in the first position and that contacts one surface of the tray passing through the conveying path when the rotating shaft is in the second position, and is separated from the conveying path when the rotating shaft is in the third position, a second contacting portion that moves the spur roller, and a rotating unit configured to rotate the rotating shaft from the third position to the first position.