U.S. Pat. No. 4,515,884 (Field et al.), the disclosure of which is totally incorporated herein by reference, discloses the fusing of toner images to a substrate, such as paper, with a heated fusing member having a silicone elastomer fusing surface by coating the elastomer fusing surface with a toner release agent which includes an unblended polydimethyl siloxane having a kinematic viscosity of fro