Abstract: A device including at least one component accommodation, at least one exchangeable component arranged in the component accommodation, and a control unit. The exchangeable component includes a security device with a memory in which individualization information individually characterizing the component is stored. At least the memory of the security device is a non-nondestructively separable constituent part of the component The security device is connected via a communication connection to the control unit, and the control unit is configured to detect an exchange of the component based on the individualization information and on an acceptability information stored in the control unit, which describes the individual components that are acceptable for an operation of the device.