According to some embodiments, a central hub may establish a preference profile associated with a user, and the preference profile may include, for example at least some information not provided by the user. In this way an angle, at which the display panel is disposed, is suitably adjusted by a tilting mechanism. The artifacts are located outside of the area where a substrate would be placed. This allows the voice data packet to be transmitted to the receiving end without the other 33 bytes of header information. In this manner, a color taste of toner can be adjusted. A timing mechanism is provided for at least one of the retractor spools to allow at least one of the retractor spools to be freely manipulated during a predetermined time interval.