Abstract: A magenta toner for developing an electrostatic image, the magenta toner comprising at least a binder resin and a magenta colorant, wherein the magenta colorant comprises a compound represented by Formula (1), wherein D is represented by one of Formulas (2) to (4):

Abstract: A magenta toner for developing an electrostatic image composed of a binder and a colorant is disclosed. The toner contains a tone controlling agent having a peak of fluorescent spectrum from 380 to 500 nm. An image excellent in light fastness and durability can be obtained and high color reproducibility with sufficient transparency and chromaticness can be realized by the magenta toner.

Abstract: A two component developer used in an electrophotographic method composed of a toner containing at least a resin and a colorant, and a carrier, is disclosed. The resin is composed of a polyester resin and a styrene-acryl resin, in which the polyester resin is prepared via condensation-polymerization of a polyvalent carboxylic acid and a polyol in a state where a styrene monomer and an acrylate monomer exist in an aqueous medium containing an acidic compound, followed by formation of the styrene-acryl resin via radical polymerization of the styrene monomer and the acrylate monomer; and the carrier comprises magnetic material powder dispersed in a binder resin, and has a volume based median diameter of 10 ?m-100 ?m, a shape factor SF-1 of 1.0-1.2, and a shape factor SF-2 of 1.1-2.5.

Abstract: An electrostatic image developing toner which is capable of obtaining highly chromatic full-color images of bright color without causing perceived color contamination and exhibits superior lightfastness is disclosed, wherein the toner comprises a binding resin and a colorant, and the colorant is tetraazaporphyrin or phthalocyanine compounds such as a compound represented by the following formula:

Abstract: Image forming method comprising a step of fixing a toner image in a fixing device of a contact heating system, wherein the toner comprises a resin which comprises a polyester resin and a styrene-aryl resin and is formed by a process comprising allowing a polyvalent carboxylic acid and a polyvalent alcohol to condensation-polymerize in the presence of a styrene monomer and an acrylic acid ester monomer in an aqueous medium to form the polyester resin and allowing the styrene monomer and the acrylic acid ester monomer to radical-polymerize to form the styrene-acryl resin; the fixing device of a contact heating system comprises a heating roller and a belt-form pressure means.

Abstract: An electrostatic image forming method is described. The method includes forming latent images corresponding to yellow, magenta and cyan images on a photoreceptor, developing corresponding latent images by developers containing yellow, magenta and cyan toner to form yellow, magenta and cyan images and transferring the yellow, magenta and cyan images on a recording material, and the yellow toner and the magenta have specific reflectance characteristics described in the specification.

Abstract: An object is to provide an electrostatic charge image developing toner and an image forming method using the same capable of maintaining image properties for a long duration, which exhibit not only sufficient transparency and chromaticness, accompanied with high color reproduction and excellent charging characteristic, but also excellent heat resistance, together further with excellent light fastness and sufficient image holding ability. Disclosed is an electrostatic charge image developing toner of the present invention comprising a binder resin for toner particle formation and colorant particles dispersed in the binder resin, wherein the colorant particles comprise a dye and an antioxidant. Further, the electrostatic charge image developing toner wherein a volume-based median particle diameter of the colorant particles is preferably 10-100 nm, and also the dye contained in the colorant particles is preferably an oil-soluble dye or a metal chelate dye.

Abstract: A toner includes at least a crystalline compound, a binding resin and coloring agent, wherein a differential heat quantity curve measured by a differential scanning calorimeter (DSC) has a clear endothermic peak at 50 to 100° C. in a first temperature rising process, and in a second temperature rising process, a peak area of the endothermic peak is reduced by ? or less with respect to the peak area of the endothermic peak in the first temperature rising process. An image forming method employs the toner.

Abstract: A toner includes at least a crystalline compound, a binding resin and coloring agent, wherein a differential heat quantity curve measured by a differential scanning calorimeter (DSC) has a clear endothermic peak at 50 to 100° C. in a first temperature rising process, and in a second temperature rising process, a peak area of the endothermic peak is reduced by ? or less with respect to the peak area of the endothermic peak in the first temperature rising process. An image forming method employs the toner.