Image forming apparatus
US6975828B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2004 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | May 1, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0161
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus capable of preventing the increase of the size thereof by having a lengthened developer bearing member is provided with regard to an image forming apparatus capable of printing a registration mark (dragonfly) on a large sheet of recording paper for producing an art work in case of the use of a formed image as a printing manuscript. The length of the lengthwise direction of a developer bearing member provided in at least one developing device among the developing devices provided in the image forming apparatus is longer than those of the developer bearing members of the other developing devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.