Abstract: A remanufacturing method of remanufacting a process cartridge includes (a) a step of preparing a used process cartridge which comprises a toner developing container, a cleaning container and pins for coupling the toner developing container and the cleaning container at opposite longitudinal ends of the process cartridge; the toner developing container including a toner accommodating portion, a toner supply opening, a developing roller and a developing blade; the cleaning container including an electrophotographic photosensitive drum; (b) a container separating step of separating the process cartridge into the toner developing container and the developing container by disengaging the pins from the process cartridge; (c) a developing roller dismounting step of dismounting the developing roller from the toner developing container separated by the container separating step; (d) a developing blade dismounting step of dismounting the developing blade from the toner developing container separated by the container se

Abstract: A remanufacturing method for a process cartridge includes (a) separating a process cartridge into a lower frame member and an upper frame, (b) dismounting the photosensitive drum from the lower frame member, (c) dismounting the developing roller from the lower frame member, (d) sticking magnetic seals on the lower frame member, (e) sticking a blade elastic member at each of one and the other longitudinal ends of the developing blade, (f) mounting the developing roller onto the lower frame member, (g) mounting the photosensitive drum to the lower frame member, (h) refilling the developer into the developer accommodating portion in the upper frame, and (i) connecting an upper frame into which the developer has been refilled with a lower frame member.

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the process cartridge including a first unit supporting an electrophotographic photosensitive drum and a second unit supporting a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum and having a developer accommodating portion accommodating a developer to be used for development of the electrostatic latent image by the developing roller, the first unit and the second unit being rotatably coupled, the method including (a) a unit separating step of separating the first unit and the second unit from each other; (b) a developer filling step of filling the developer into the developer accommodating portion of the second unit; (c) a unit coupling process of coupling the first unit and the second unit with each other; and (d) a tape affixing step of removably affixing a tape along an outer surface of the first unit

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes (a) a unit separating step of separating the first and second units from each other by removing a pair of connecting members for connecting them; (b) a developing roller dismounting step of dismounting the developing roller from the second unit having been thus separated; (c) a second end seal mounting step of mounting a second end seal in contact with or adjacent to an outside of a first end seal which is provided at each of one and the other longitudinal ends of the developing roller; (d) a developer refilling step; (e) a developing roller remounting step; (f) a unit re-coupling step; by which the process cartridge is remanufactured without mounting a toner seal to the developer supply opening having been unsealed by removing a toner seal when the process cartridge has been used.

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, including (a) a frame separating step of separating the first frame and the second frame from each other; (b) a developing blade dismounting step of dismounting, from the second frame, a developing blade; (c) a sealing material mounting step of mounting a sealing material between the second frame and the developing blade; (d) a developer filling step of filling the developer into a developer accommodating portion of the second frame through a developer supply opening for supplying, to a developing roller, the developer accommodated in the developer accommodating portion; (e) a developing blade mounting step of mounting the developing blade to the second frame; and (f) a frame coupling step of the coupling the first frame and the second frame.

Abstract: A remanufacturing method is provided for a process cartridge which is detachably mountable to a main assembly of an electrophotgraphic image forming apparatus.

Abstract: A remanufacturing method for a process cartridge includes (a) a step of separating a first unit and a second unit from each other; (b) a step of dismounting a developing roller mounted to the second unit which has been separated by the separation step; (c) a step of mounting an addition seal along an original seal having been mounted to a developing frame along a longitudinal direction of a developing roller frame to prevent leakage of developer through between the developing roller and the developing roller frame; (d) a step of refilling the developer into a developer accommodating portion of the second unit which has been separated by the separation step; (e) a step of remounting the developing roller to the second unit which has been separated by the separation step; and (f) a unit re-coupling step of recoupling the first unit and the second unit with each other.

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes the steps of separating first and second units of the cartridge, dismounting from the second unit a developing blade mounted to the second unit, filling developer into a developer accommodating portion of the second unit through a developer supply opening for supplying a developer roller of the second unit from the developer accommodating portion, mounting the dismounted developing blade to the second unit with a facing orientation opposite from a facing orientation before the developing blade dismounting step, and coupling the first and second units.

Abstract: A remanufacturing method of remanufacturing a process cartridge includes (a) a step of preparing a used process cartridge which includes a toner developing container, a cleaning container and pins for coupling the toner developing container and the cleaning container at opposite longitudinal ends of the process cartridge, the toner developing container including a toner accommodating portion, a toner supply opening, a developing roller and a developing blade. The cleaning container includes an electrophotographic photosensitive drum.

Abstract: A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes an electrophotographic photosensitive drum; a drum gear provided at one longitudinal end of the drum; a developing roller for developing with toner an electrostatic latent image formed on the drum; a developing roller gear, provided at one longitudinal end of the developing roller, for meshing engagement with the drum gear to transmit a driving force for rotating the developing roller from the drum gear; a cleaner container supporting the drum; a toner developing container supporting the developing roller; a coupling member for rotatably connecting the cleaner container and the toner developing container with each other; an urging member for urging the cleaner container and the toner developing container coupled by the coupling member in the direction of engagement of the drum gear and the developing roller gear with each other; and a tape stuck continuously on the cleaner container and the

Abstract: A remanufacturing method of remanufacting a process cartridge includes (a) a step of preparing a used process cartridge which comprises a toner developing container, a cleaning container and pins for coupling the toner developing container and the cleaning container at opposite longitudinal ends of the process cartridge; the toner developing container including a toner accommodating portion, a toner supply opening, a developing roller and a developing blade; the cleaning container including an electrophotographic photosensitive drum; (b) a container separating step of separating the process cartridge into the toner developing container and the cleaning container by disengaging the pins from the process cartridge; (c) a blade seal mounting step of mounting a blade seal between a blade mounting plate and an outside of a toner developing frame to seal a gap between the blade mounting plate and the toner developing frame; (h) a toner refilling step of refilling the toner into the toner accommodating portion of th

Abstract: 1.

Abstract: A remanufacturing method of remanufacturing a process cartridge includes: (a) a step of preparing a used process cartridge; (b) a container separating step of separating the process cartridge into a toner developing container and a developing container by disengaging pins from the process cartridge, (c) a developing roller dismounting step of dismounting a developing roller from the toner developing container separated by the container separating step; (d) a developing blade dismounting step of dismounting a developing blade from the toner developing container separated by the container separating step; (e) a cut-away portion sealing step of sealing with a seal a cut-away portion of the toner developer container; (f) a developing blade mounting step of mounting a developing blade on the toner developer container; (g) a developing roller mounting step of mounting the developing roller on the toner developer container; (h) a toner refilling step of refilling the toner into a toner accommodating portion

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes (a) a unit separating step of separating the first and second units from each other by removing a pair of connecting members for connecting them; (b) a developing roller dismounting step of dismounting the developing roller from the second unit having been thus separated; (c) a second end seal mounting step of mounting a second end seal in contact with or adjacent to an outside of a first end seal which is provided at each of one and the other longitudinal ends of the developing roller; (d) a developer refilling step; (e) a developing roller remounting step; (f) a unit re-coupling step; by which the process cartridge is remanufactured without mounting a toner seal to the developer supply opening having been unsealed by removing a toner seal when the process cartridge has been used.

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the process cartridge including a first unit supporting an electrophotographic photosensitive drum and a second unit supporting a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive drum and having a developer accommodating portion accommodating a developer to be used for development of the electrostatic latent image by the developing roller, the first unit and the second unit being rotatably coupled, the method including (a) a unit separating step of separating the first unit and the second unit from each other; (b) a developer filling step of filling the developer into the developer accommodating portion of the second unit; (c) a unit coupling process of coupling the first unit and the second unit with each other; and (d) a tape affixing step of removably affixing a tape along an outer surface of the first unit

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the process cartridge including a first frame for supporting an electrophotographic photosensitive drum, a second frame supporting a developing roller for developing an electrostatic latent image formed on the electrophotographic photosensitive member and accommodating a developer to be used for development of the electrostatic latent image by the developing roller, the first frame and the second frame being rotatably coupled with each other, sad method including (a) a frame separating step of separating the first frame and the second frame from each other; (b) a developing blade dismounting step of dismounting, from the second frame a developing blade mounted to the second frame to regulate an amount of the developer deposited on the developing roller; (c) a sealing material mounting step of mounting a sealing material between t the second frame and the developing blade;

Abstract: A remanufacturing method for a process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes the steps of separating first and second units of the cartridge, dismounting from the second unit a developing blade mounted to the second unit, filling developer into a developer accommodating portion of the second unit through a developer supply opening for supplying a developer roller of the second unit from the developer accommodating portion, mounting the dismounted developing blade to the second unit with a facing orientation opposite from a facing orientation before the developing blade dismounting step, and coupling the first and second units.

Abstract: A remanufacturing method for a process cartridge which is detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the process cartridge includes a first unit supporting an electrophotographic photosensitive drum and a second unit, which includes a developing frame supporting a developing roller, a developer accommodating portion for accommodating a developer to be used for development by the developing roller and a developer frame provided with a developer supply opening for supplying to the developing roller the developer accommodated in the developer accommodating portion, the first unit and second unit being rotatably coupled with each other, the method includes (a) a unit separating step of separating the first unit and the second unit from each other; (b) a developing roller dismounting step of dismounting the developing roller mounted to the second unit which has been separated by the separation step; an addition seal mounting step of mounting an addition seal

Abstract: A remanufacturing method for a process cartridge which is detachably mountable to a main assembly of an electrophotographic image forming apparatus, wherein the process cartridge includes a first unit supporting an electrophotographic photosensitive drum and a second unit, which includes a developing frame supporting a developing roller, a developer accommodating portion for accommodating a developer to be used for development by the developing roller and a developer frame provided with a developer supply opening for supplying to the developing roller the developer accommodated in the developer accommodating portion, the first unit and second unit being rotatably coupled with each other, the method includes (a) a unit separating step of separating the first unit and the second unit from each other; (b) a developing roller dismounting step of dismounting the developing roller mounted to the second unit which has been separated by the separation step; (c) a sealing step of sealing with a sealant a connecting po