Image forming apparatus applying protective agent
US8175497B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2009 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Aug 26, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/1609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is an image forming apparatus including: a rotatable image carrier; a protective agent supplying unit supplying a protective agent to the image carrier; a first charging unit charging the image carrier to the same polarity as a regular charging polarity of a toner; a second charging unit charging the protective agent supplied to the image carrier to the opposite polarity to the regular charging polarity of the toner; an exposure unit forming an electrostatic latent image on the image carrier; a development unit developing the electrostatic latent image of the image carrier; and a transfer unit transferring the image of the image carrier, wherein the second charging unit is disposed between the protective agent supplying unit and the development unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.