Device for applying flat data carriers to a continuous carrier web, having a data carrier feeding device, a data carrier transfer device and of a carrier web adjusting device, wherein the feed device has a drive roller, a deflection arranged at a substantially horizontal distance from the drive roller and at least one carrier belt running around the drive roller and deflection for feeding data carriers to the data carrier transfer device, wherein the carrier belt has an upper run extending substantially horizontally in the feed direction of the data carriers and a lower run extending oppositely thereto, wherein the upper run forms a transport path for transporting the data carriers to the data carrier transfer device and is hydraulically connected to a suction box arranged therebelow in such a way that data carriers located on the upper run can be sucked onto the carrier belt by negative pressure, wherein at the end of the transport path the data carriers are transferred to the data carrier transfer device, the transfer device having a transfer roller which is provided on the circumference with suction openings and which is hydraulically connected to a vacuum source in such a way that data carriers located on the outer casing of the transfer roller can be sucked onto the outer casing by vacuum, the transfer roller having an access region adjacent to the suction box of the feed device and an exit region adjacent to the adjusting device and spaced apart from the access region by a certain angle, and wherein, at the exit region of the transfer roller, a data carrier located there on the outer jacket of the transfer roller can be transferred to the carrier web, wherein an ejecting device is provided on the upper run upstream of the data carrier transfer device in the feed direction of the data carriers, by means of which device a data carrier located on the upper run can be removed from the upper run in a controlled manner. a data carrier feeding device, a data carrier transfer device and of a carrier web adjusting device, wherein the feed device has a drive roller, a deflection arranged at a substantially horizontal distance from the drive roller and at least one carrier belt running around the drive roller and deflection for feeding data carriers to the data carrier transfer device, wherein the carrier belt has an upper run extending substantially horizontally in the feed direction of the data carriers and a lower run extending oppositely thereto, wherein the upper run forms a transport path for transporting the data carriers to the data carrier transfer device and is hydraulically connected to a suction box arranged therebelow in such a way that data carriers located on the upper run can be sucked onto the carrier belt by negative pressure, wherein at the end of the transport path the data carriers are transferred to the data carrier transfer device, the transfer device having a transfer roller which is provided on the circumference with suction openings and which is hydraulically connected to a vacuum source in such a way that data carriers located on the outer casing of the transfer roller can be sucked onto the outer casing by vacuum, the transfer roller having an access region adjacent to the suction box of the feed device and an exit region adjacent to the adjusting device and spaced apart from the access region by a certain angle, and wherein, at the exit region of the transfer roller, a data carrier located there on the outer jacket of the transfer roller can be transferred to the carrier web, wherein an ejecting device is provided on the upper run upstream of the data carrier transfer device in the feed direction of the data carriers, by means of which device a data carrier located on the upper run can be removed from the upper run in a controlled manner.