Process cartridge remanufacturing method and process cartridge
US5870654A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 9, 1997 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | Sep 9, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00987
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process cartridge remanufacturing method for a process cartridge detachably mountable to a main assembly of an image forming apparatus includes the steps of providing a new photosensitive drum; providing a new toner-development frame including a new toner frame having a toner containing portion for containing toner, a new development frame having a roller mounting portion for mounting a developing roller for supplying toner to the photosensitive drum, wherein the toner frame and the development frame are welded with a new removable toner seal therebetween for preventing the toner in the toner containing portion from leaking out; preparing a drum frame to be reused having a drum mounting portion for mounting the photosensitive drum; supplying toner into the toner containing portion; mounting the developing roller to the new development frame; mounting the photosensitive drum to the drum frame to be reused; and rotatably engaging the new toner-development frame and the drum frame to be reused.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.