Remanufacturing method for process cartridge
US6721520B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2001 |
| Grant date | Apr 13, 2004 |
| Priority date | — |
| Expiry date | Dec 19, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00987
- WIPO fieldOptics
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.