| 摘要 |
A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes an end cover removing step of cutting a fixing portion between the first end cover and the drum frame and cutting a fixing portion between the first end cover and the developer frame, and removing the first end cover at the other longitudinal ends of the drum frame, the developing frame and the developer frame; an end cover removing step of cutting a fixing portion between the second end cover and the drum frame and cutting a fixing portion between the second end cover and the developer frame, and removing the second end cover at the other longitudinal ends of the drum frame, the developing frame and the developer frame; a drum frame separating step of pulling, after the developer frame is removed, a pin provided in the one longitudinal end of the drum frame out of the drum frame, and removing a spring mounted between one longitudinal end of the drum frame and one longitudinal end of the developing frame, and then separating the drum frame and the developing frame; a drum bearing removing step of removing, at the other ends, a drum bearing supporting the electrophotographic photosensitive drum at the one ends; a drum shaft removing step of removing, at the other ends, a drum shaft supporting the electrophotographic photosensitive drum at the other ends; a drum removing step of removing the one end of the electrophotographic photosensitive drum from the drum frame, thus removing the photosensitive drum from the drum frame; a drum mounting step of inserting one end of a new electrophotographic photosensitive drum having at one end a driving force receiving portion for receiving a driving force for rotating the electrophotographic photosensitive drum from the main assembly of the electrophotographic image forming apparatus when process cartridge is mounted to the main assembly of the electrophotographic image forming apparatus, such that driving force receiving portion is exposed outside the drum frame, and inserting the drum shaft at the other end from outside of the drum frame, thus mounting a new drum electrophotographic photosensitive drum to the drum frame; a developing frame coupling step of inserting, after the electrophotographic photosensitive drum is mounted to the drum frame, the pin through or into the one longitudinal end of drum frame and the one longitudinal end of the developing frame, and mounting the spring between the one longitudinal end of the drum frame and the one longitudinal end of the developing frame, thus coupling the drum frame and the developing frame; a developer refilling step of refilling a developer into the developer accommodating portion; a first end cover mounting step of fixedly mounting a first end cover to the one longitudinal ends of the drum frame, the developing frame and the developer frame; and a second end cover mounting step of fixedly mounting a second end cover to the other longitudinal ends of the drum frame, the developing frame and the developer frame.
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