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US 2023/0195005 A1Published application
Toner, developer, toner storage unit, image forming apparatus, and image forming method
AssigneeRicoh Company, Ltd.
InventorsTaishi YAMASHITA, Yohichi KITAGAWA, Tsukiko TAKAHASHI, Mitsuaki HIROSE, Daisuke INOUE
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Abstract
Provided is a toner including toner particles. Each of the toner particles includes a toner base particle including a binder resin, resin particles covering the toner base particle, and zinc stearate particles serving as an external additive. In each of the toner particles, a coverage rate of the toner base particle with the resin particles is 30% or greater and 70% or less. The zinc stearate particles have a volume average particle diameter of 3 μm or greater and 20 μm or less.
Claims8
A toner comprising:
- toner particles, each of the toner particles including:
- a toner base particle including a binder resin;
- resin particles covering the toner base particle;
- and
- zinc stearate particles serving as an external additive,
- wherein, in each of the toner particles, a coverage rate of the toner base particle with the resin particles is 30% or greater and 70% or less, and
- wherein the zinc stearate particles have a volume average particle diameter of 3 μm or greater and 20 μm or less.
4 more elements
Dependencies are inferred from the claim text.