Image forming apparatus
US6879794B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2002 |
| Grant date | Apr 12, 2005 |
| Priority date | — |
| Expiry date | Feb 14, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G5/0578
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed are image forming apparatus [1] which comprises removing a toner remained on the surface of the rotatable image carrier by cleaning means after going through developing means and transferring means; said cleaning means has an elastic blade and is contacted with the surface of the image carrier at a contact pressure within 8 to 20 g/cm, and a press-contact angle of the elastic blade of 12 to 30°; and said image carrier is an organic photosensitive material having a photosensitive layer made of a binder resin containing an electric charge generating material and an electric charge transferring material; and image forming apparatus [2], comprising a single-layer type photosensitive layer made of a binder resin containing an electric charge generating material, an electron transferring material and a hole transferring material, and the solid content of the binder resin is within 50 to 70 wt % of the whole solid content in the photosensitive layer and, a pair of paper transporting rollers are arranged on a path for transporting a transfer paper from paper feeding portion to transferring means, and a paper transporting roller at the side of the surface to be transferred among a…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.