A voltage supplied to a cooling fan 305 is adjusted in accordance with a temperature measured near a central processing unit 401. Positioned in contact with a circumferential surface of a fuser roller, the web removes toner particles on the circumferential surface. In order to detect in the first circuit the status of one or more input signals of the second circuit, the second circuit includes a signal generating portion including a resistor and a capacitor that generates, a time-pulsed signal. The set of computer-executable instructions facilitates use of the configuration file, and seamless indirect access by the media processing environment to particular resources, regardless of where such resources are located. The input transformer has respective balanced outputs connected to the gates of the transistors. An excellent catalysis can be achieved due to the fine structure and the surface effect of the nano-gold and the nano-titanium as catalyst.