Patent ID: 8668326
Filing Date: 2014-03-11
Classification: B41J

Abstract:
1. A printer comprising: a rotatable member having an image receiving surface; a printing system configured to deposit ink onto the surface of the rotatable member; a supply of release agent, the release agent supply including an applicator that is configured for selective engagement with the rotating image receiving member to transfer release agent from the release agent supply to the rotating image receiving member; a release agent detector positioned proximate the release agent supply, the release agent detector including an electrical conductor and a substrate, the substrate responds to contact with release agent to alter electrical continuity of the electrical conductor; an electrical power supply operatively connected to the electrical conductor of the release agent detector; and a controller operatively connected to the electrical conductor of the release agent to monitor electrical current in the electrical conductor of the release agent detector and to detect a change in the electrical continuity of the electrical conductor occurring in response to the substrate contacting release agent.