abstract |
A toner excellent in development durability, storage stability, environmental stability, member contamination, and low-temperature fixability is provided. A toner having toner particles having a surface layer containing an organosilicon polymer and a charge control agent, the organosilicon polymer having a unit represented by a specific structure, and an ESCA ( In measurement using Electron Spectroscopy for Chemical Analysis, the silicon concentration dSi with respect to the total concentration (dC + dO + dSi) of the carbon element concentration dC, oxygen element concentration dO, and silicon element concentration dSi on the toner particle surface is 0.5 atomic% or more, and the charge The control agent is a polymer A having a specific structure. [Selection figure] None |