Image forming apparatus, process cartridge, developing unit, and image forming method
US7522850B2 · kind B2 · utility
3Cited by
1References
67Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2006 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Apr 4, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0695
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier and a dummy toner are stored in a developing unit of a process cartridge in a brand new status. A plurality of process cartridges corresponding to a plurality of color toners is used in common. The color toners are respectively supplied to the developing unit from toner supply units after the process cartridges in the brand new status are installed in installation sections in a main unit of an image forming apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.