Abstract: A combination cleaning and surface renewing apparatus includes a cleaning member for removing residual particles from the image-bearing surface of electrostatographic reproduction apparatus. The combination apparatus also includes a first abrading member mounted downstream of the cleaning member for removing at least an atomic layer of material forming the image-bearing surface. The first abrading member is impregnated with abrasive aluminum oxide particles. The combination apparatus also includes a second abrading member mounted downstream of the first abrading member for polishing and renewing the abraded image-bearing surface. The second abrading member includes particles of colorless toner particles chemically bonded therein.

Abstract: A cleaning device for electrostatic imaging apparatus is movable between a position engaging a transfer drum and a position out of such engagement. The device has a biased roller of a soft conductive silicone rubber which is rolled by the drum surface. A bias on the roller attracts toner from the drum to the roller and a blade scrapes it into a toner collection chamber. Adjustment of the bias on the drum is accomplished in response to movement of the cleaning device The device is readily removable and is of such simple construction it can be economically disposable.

Abstract: Disposable web cleaning device for backside of endless belt imaging element, includes a housing having an elongated aperture across which a cleaning web is stretched. A film ski guides the web from a supply spindle through the aperture into engagement with the belt and back to a take-up spindle.