Image forming apparatus, electrostatic charge image developing carrier set, and process cartridge set
US9158226B1 · kind B1 · utility
2Cited by
1References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2015 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Jan 26, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0624
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus includes a first image forming unit and a second image forming unit, wherein the first image forming unit is arranged on a downstream side of the second image forming unit in a traveling direction of a transfer medium, the first developing unit contains a first developer containing a first toner and a first carrier, the second developing unit contains a second developer containing a second toner and a second carrier, and a ratio of a resistance value of the first carrier to a resistance value of the second carrier is within a range of from 4.0×10−5 to 9.7×10−1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.