A print media detection system for use in a printing device is disclosed. An embodiment of the print media detection system includes a source configured to transmit a light signal and a sensor configured to detect the light signal and generate an electrical signal in response to the light signal, the...http://www.google.de/patents/US6365889?utm_source=gb-gplus-sharePatent US6365889 - Print media detector and method for use in a printing device
