Patent ID: 7592114

Claim:
A color toner for a non-magnetic mono-component printing system comprising a first coating layer and a second coating layer formed on a toner mother particle, wherein the first coating layer contains coated organic powders where two kinds of organic powders having an average particle size of 0.1 μm to 1.8 μm are coated with each other, the two kinds of the organic powders being in an amount of 0.1 to 2.0 parts by weight respectively, based on 100 parts by weight of the toner mother particle, and the second coating layer contains coated inorganic powders where silica having an average particle size of 3 nm to 40 nm and titanium dioxide having an average particle size of 80 nm to 200 nm are coated with each other, the silica being in an amount of 1.0 to 4.0 parts by weight and the titanium dioxide being in an amount of 0.1 to 2.0 parts by weight, based on 100 parts by weight of the toner mother particle.