Color image forming apparatus having a discharging unit to discharge an electrical charge of a toner image transferred on an intermediate transfer member
US7593675B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2006 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Mar 26, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0119
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A color image forming apparatus includes: a plurality of image carriers each on which a toner image having a color different from each other is formed; an intermediate transfer member to which each of the image carriers is transferred; a plurality of a primary transfer units each which transfers a toner image formed on each of the plurality of image carriers onto the intermediate transfer member; a discharging unit provided between two adjoining image carriers in a moving direction of the intermediate transfer member, which discharges an electrical charge of a toner image transferred on the intermediate transfer member; and a secondary transfer unit which transfers a plurality colors of toner images which have been superimposed on the intermediate transfer member onto a transfer material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.