A method of managing access rights in a smart card, to subordinating execution of a command such as reading or writing to an event being valid, such as authentication by verifying a code. In the method, a soluble layer is disposed on a material surface, such as the interior surfaces of cell walls of a web material. The second loop antenna 15 includes the coil L2 and the resonant capacitor C2 which are connected each other in parallel and constitutes a parallel resonant circuit. Accordingly, after inputting individual jobs prepared with a variety of application software to the printer, the user may conduct printing by controlling such jobs.