Image forming apparatus having a lubricant and developer of opposite polarity
US9874848B2 · kind B2 · utility
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2References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 10, 2015 |
| Grant date | Jan 23, 2018 |
| Priority date | — |
| Expiry date | Apr 10, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/1661
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a cartridge including an image bearing member, and a developer bearing member that bears a developer. A lubricant of a polarity opposite to a polarity of the developer is coated on the developer bearing member, with the lubricant being a resin. If the cartridge is new, a discharging operation of discharging the lubricant from a surface of the developer bearing member onto the image bearing member is performed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.