an inspection and ejector unit for preforms for plastic containers in a transportation line , has at least one driver device which picks up preforms travelling from an inward conveyor device to the inspection and ejector unit , transports them further and passes on at least some of the preforms to an outward conveyor device , at least one detection device by which faulty preforms in the driver device are detected , and at least one ejection device by which preforms which are detected as faulty are removed from the driver device , and a corresponding method .