a contact fuser assembly for use in electrostatic reproducing apparatus , said assembly including a heated fuser roll structure cooperating with a backup roll to form a nip through which copy sheets or substrate material having toner images thereon move with the toner images contacting the heated fuser roll structure . the fuser assembly is characterized by the provision of a cleaning arrangement comprising a roll having a tacky surface which is adapted to contact the fuser roll structure to thereby remove toner and other contaminants therefrom with subsequent embedding of the contaminants in the tacky surface . the cleaning arrangement is further characterized by the provision of means for maintaining the effectiveness of the cleaning arrangement .