Image forming apparatus
US5414493A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1994 |
| Grant date | May 9, 1995 |
| Priority date | — |
| Expiry date | Aug 25, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/169
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a detachably mountable process cartridge, the process cartridge including an image bearing member and a color developing device actable on the image bearing member, the color developing device containing plural developing units having yellow developer, respectively; detachably mountable developing device actable on the image bearing member in the process cartridge, the detachably mountable developing device containing black developer and being detachably mountable independently of the process cartridge; and a device for forming a latent image on the image bearing member; a transfer device for transferring a developed image from the image bearing member to a recording material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.