Image forming apparatus
US10838316B2 · kind B2 · utility
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0References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2019 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Aug 23, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/0011
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus in which occurrence of an image failure in association with contamination caused by an external additive, such as silica, adhering to a charging unit is suppressed. The image forming apparatus is configured to charge an image bearing member through use of the charging unit, and uses toner having, on a surface thereof, strontium titanate particles and silica particles having predetermined physical properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.