The invention relates to a system that comprises an X-ray imaging device for capturing an X-ray image on an imaging film, and a device for reading out said imaging film. According to the invention, the imaging film comprises an optically readable marking, and the X-ray imaging device and/or the readout device comprises a device for reading information stored on the data carrier, said data device being designed to register the optically readable marking using said readout device. The invention also relates to a method for providing information for a readout device.