Electrophotographic cleaning apparatus

Details Electrophotographic cleaning apparatus Electrophotographic cleaning apparatus

G - Physics

03

G

314/38

G03G 21/00 (2006.01)

Patent

CA 1071692

Abstract of the Disclosure A cleaning apparatus for removing residual toner from a photoconductive surface is disclosed. The apparatus comprises a cleaning member having a special elastomeric surface which is brought into rolling contact with the photoconductive surface at a point after the toner image has been transferred from the photoconductive surface. Residual toner is thereby removed by the elastomeric surface. The cleaning member can have various shapes, including rollers, webs, or belts. Suitable elastomeric surfaces have a particular com- bination of thickness and hardness characteristics. Preferably, these surfaces are at least 60 mils thick and have a Shore A hardness below about 25 durometer. Additionally, it is preferred to use elastomers which have surface free energies below about 35 dynes per centimeter. Means to remove residual toner from the cleaning member and to accumulate it are also described. Accumulating systems include hot rollers, adhesive rollers, and cleaning liquid applicators.

214921

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