Apparatus and method of reducing charge roller contamination
US7231163B2 · kind B2 · utility
4Cited by
23References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 2005 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Jun 12, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/0089
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates generally to image forming equipment, e.g. a laser printer of the type which includes a photoconductive (PC) drum and an associated charge roller. The invention is disclosed in exemplary embodiment as a laser printer incorporating a cleaner element with an electrical potential to sufficiently charge contamination particles on the PC drum to electrically repel from a charged surface, such as the charge roller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.