Image forming apparatus
US10401779B2 · kind B2 · utility
0Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 2018 |
| Grant date | Sep 3, 2019 |
| Priority date | — |
| Expiry date | Aug 3, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/161
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charge roller includes, in a surface thereof, recesses that have sizes that are equivalent to or larger than a volume average particle diameter of a toner accommodated in a developing unit and that are capable of collecting the toner retransferred to a photosensitive drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.