Image forming apparatus and charging device
US6819893B2 · kind B2 · utility
6Cited by
16References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 2003 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Apr 23, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/027
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus uses a developer that includes toner with volume average particle size between 5 &mgr;m and 10 &mgr;m and 60 to 80 number percentage particles having a particle size less than or equal to 5 &mgr;m. A charging unit charges a latent image carrier. The charging unit and the latent image carrier are arranged in such a manner that they do no make a physical contact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.