US 6,473,577 B1 · Process cartridge remanufacturing method

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 the toner developing container having the blade seal; and (i) a container coupling step of coupling the toner developing container having the blade seal with the cleaning container by engaging the pins into them.

Claims15

Dependent claims

A remanufacturing method of remanufacturing a process cartridge comprising:

(a) a step of preparing a used process cartridge which comprises a toner developing container, a cleaning container, and pins for coupling said toner developing container and said cleaning container at opposite longitudinal ends of said process cartridge;
said toner developing container including a toner accommodating portion, a toner supply opening, a developing roller, and a developing blade;
said cleaning container including an electrophotographic photosensitive drum;
(b) a container separating step of separating said process cartridge into said toner developing container and said cleaning container by disengaging said pins from said 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 said blade mounting plate and said toner developing frame;
(d) a toner refilling step of refilling the toner into said toner accommodating portion of said toner developing container having said blade seal;
and
(e) a container coupling step of coupling said toner developing container having said blade seal with said cleaning container by engaging said pins into them.

5 more elements

A remanufacturing method of remanufacturing a process cartridge comprising:

(a) a step of preparing a used process cartridge which comprises a toner developing container, a cleaning container, and pins for coupling said toner developing container and said cleaning container at opposite longitudinal ends of said process cartridge;
said toner developing container including a toner accommodating portion, a toner supply opening, a developing roller, and a developing blade;
said cleaning container including an electrophotographic photosensitive drum;
(b) a container separating step of separating said process cartridge into said toner developing container and said cleaning container by disengaging said pins from said process cartridge;
(c) a developing roller dismounting step of dismounting said developing roller from said toner developing container separated by said container separating step;
(d) a developing blade dismounting step of dismounting said developing blade from said toner developing container separated by said container separating step;
(e) a sealing material filling step of filling a sealing material in a gap formed in said toner developing container and extending along an inner side of an end seal provided adjacent each of longitudinal ends of said developing roller;
(f) an elastic member mounting step of mounting an elastic member longitudinally inside of said end seal provided adjacent each of opposite longitudinal ends of said developing roller, at a position laterally outside of said end seal;
(g) a cut-away portion sealing step of sealing a cut-away portion formed in said toner developing container adjacent each of opposite longitudinal ends of said developing roller, at a position laterally outside of said end seal;
(h) a developing blade mounting step of mounting said developing blade on said toner developing container;
(i) 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 said blade mounting plate and said toner developing frame;
(j) a developing roller mounting step of mounting said developing roller on said toner developing container;
(k) a toner refilling step of refilling the toner into said toner accommodating portion of said toner developing container having said blade seal;
and
(l) a container coupling step of coupling said toner developing container having said blade seal with said cleaning container by engaging said pins into them.

12 more elements

A remanufacturing method of remanufacturing a process cartridge comprising:

(a) a step of preparing a used process cartridge which comprises a toner developing container, a cleaning container, and pins for coupling said toner developing container and said cleaning container at opposite longitudinal ends of said process cartridge;
said toner developing container including a toner accommodating portion, a toner supply opening, a developing roller, and a developing blade;
said cleaning container including an electrophotographic photosensitive drum;
(b) a container separating step of separating said process cartridge into said toner developing container and said cleaning container by disengaging said pins from said process cartridge;
(c) a developing roller dismounting step of dismounting said developing roller from said toner developing container separated by said container separating step;
(d) a developing blade dismounting step of dismounting said developing blade from said toner developing container separated by said container separating step;
(e) a sealing member mounting step of mounting a sealing member on a side of said developing blade which is away from said developing roller adjacent each of opposite longitudinal ends thereof;
(h) a developing blade mounting step of mounting said developing blade on said toner developing container;
(i) a developing roller mounting step of mounting said developing roller on said toner developing container;
(j) a toner refilling step of refilling the toner into said toner accommodating portion of said toner developing container having a blade seal;
and
(k) a container coupling step of coupling said toner developing container having said blade seal with said cleaning container by engaging said pins into them.

9 more elements

A remanufacturing method of remanufacturing a process cartridge comprising:

(a) a step of preparing a used process cartridge which comprises a toner developing container, a cleaning container, and pins for coupling said toner developing container and said cleaning container at opposite longitudinal ends of said process cartridge;
said toner developing container including a toner accommodating portion, a toner supply opening, a developing roller, and a developing blade;
said cleaning container including an electrophotographic photosensitive drum;
(b) a container separating step of separating said process cartridge into said toner developing container and said cleaning container by disengaging said pins from said process cartridge;
(c) a developing roller dismounting step of dismounting said developing roller from said toner developing container separated by said container separating step;
(d) a developing blade dismounting step of dismounting said developing blade from said toner developing container separated by said container separating step;
(e) a sealing material filling step of filling a sealing material in a gap formed in said toner developing container and extending along an inner side of an end seal provided adjacent each of longitudinal ends of said developing roller;
(f) an elastic member mounting step of mounting an elastic member longitudinally inside of said end seal provided adjacent each of opposite longitudinal ends of said developing roller, at a position laterally outside of said end seal;
(g) a cut-away portion sealing step of sealing a cut-away portion formed in said toner developing container adjacent each of opposite longitudinal ends of said developing roller, at a position laterally outside of said end seal;
(h) a sealing member mounting step of mounting a sealing member on a side of said developing blade which is away from said developing roller adjacent each of opposite longitudinal ends thereof;
(i) a developing blade mounting step of mounting said developing blade on said toner developing container;
(j) a developing roller mounting step of mounting said developing roller on said toner developing container;
(k) a toner refilling step of refilling the toner into said toner accommodating portion of said toner developing container having said blade seal;
and
(l) a container coupling step of coupling said toner developing container having said blade seal with said cleaning container by engaging said pins into them.

12 more elements

Dependencies are inferred from the claim text.

Process cartridge remanufacturing method

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Process cartridge remanufacturing method

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Abstract

Claims15