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.
