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DONOR ROLL SEAL Disclosure Number: IPCOM000026016D
Original Publication Date: 1989-Oct-31
Included in the Prior Art Database: 2004-Apr-05

Publishing Venue

Xerox Disclosure Journal


An electrophotogra hic printing machine may have a developer unit with a adjacent a photoconductive member having an electrostatic latent image recorded thereon. In order to prevent contamination of the various sub-systems within the rinting machine, it is necessary to prevent the escape of toner particles. A &am seal is attached to opposed ends of the donor. The foam seals interface with foam ends blocks to seal the ends of the donor roll and prevent the escape of toner particles from the developer housing.