| 摘要 |
A toner for developing an electrostatic image has toner particles containing at least a binder resin and a colorant, and an inorganic fine powder. The inorganic fine powder has been treated with a silicone oil having, in its molecular weight distribution as measured by gel permeation chromatography, at least one peak value in the region of molecular weight of from 500 to 15,000 and having at least one peak value or shoulder in the region of molecular weight of from 3,000 to 100,000 at a value greater than the former peak value.
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