Patent ID: 7747189
Filing Date: 2010-06-29
Classification: G03G

Abstract:
1. A method for installing an original drive gear of an original photosensitive drum for a laser printer toner cartridge on a new photosensitive drum for a laser printer toner cartridge comprising: providing an original assembly that includes the original photosensitive drum and the original drive gear; providing a new photosensitive drum, the new photosensitive drum being in the form of a cylinder having a new drum inner periphery and a new drum first end; the original photosensitive drum being in the form of a cylinder having an inner periphery and an original drum first end; the original drive gear having a contact surface that is in mechanical contact with the original photosensitive drum inner periphery, the contact surface is attached to the inner periphery at the original photosensitive drum first end and the contact surface has a predetermined adhesive capability; removing the original drive gear from the original photosensitive drum and exposing the original drive gear contact surface; treating the original drive gear contact surface to increase its adhesive capability and to form a surface treated original drive gear; placing an epoxy/amine adhesive on a portion of the new drum inner periphery at the new drum first end; inserting the surface treated original drive gear into the new drum first end; and, curing the adhesive.