Abstract: Fuser apparatus including a fuser member movable along a continuous path having a layer with a surface for fusing a toner image carried by a support brought into contact with the fusing surface. The layer is preferably resilient and includes at least one continuous tunnel disposed beneath the surface and a self-sealing slit communicating between the tunnel and the surface. A support-separating member is provided having an end configured to penetrate the slit and to follow in the tunnel as said fuser member is moved along the continuous path to separate a support from the fuser member.

Abstract: For use in an electrographic development apparatus having a development station and a sump wherein at least one auger moves developer between the sump and the development station, a magnetic curtain seal is disposed adjacent the auger proximate to the auger passageway (between sump and development station) and attracts sufficient developer to block the auger passageway and thereby prevent toner dust from escaping from the sump into the development station.