Fuji Xerox Co., Ltd.

Shotaro Takahashi

Masaru Takahashi

Atsushi Sugitate

Shuji Sato

Sakiko Hirai

Satomi Hara

Yasuo Kadokura

Satoshi Kamiwaki

Tetsuya Taguchi

Akira Matsumoto

Daisuke Tomita

Yukiaki Nakamura

Satoshi Miura

Shinya Nakashima

An electrostatic charge image developing toner includes toner particles each including an amorphous resin and a crystalline resin, wherein, when the toner particles are subjected to a measurement to determine an area ratio of the crystalline resin on a cross section of the toner particle before and after being heated at a temperature of 50&#xb0; C. and a humidity of 50% RH for three days, a relationship between an area ratio a (%) of the crystalline resin on a cross section with respect to the toner particles before being heated, and an area ratio b (%) of the crystalline resin on the cross section with respect to the toner particles after being heated satisfies Expression (1): 0.9&#x2264;a/b&#x2264;1.0.

Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge

A toner set includes a brilliant toner including a brilliant pigment; and a chromatic toner including a coloring agent that is different from the brilliant pigment, wherein the toner set satisfies the following expression:1.2&#x2266;1/2&#x2266;5.0wherein Qrepresents an endothermic quantity of the brilliant toner and Qrepresents an endothermic quantity of the chromatic toner.

Toner set, image forming apparatus, and image forming method

A white toner includes white toner particles and black toner particles, wherein a content of the black toner particles is from 0.01% by number to less than 1% by number with respect to a total number of an entirety of toner particles.

White toner, white toner set, and colored toner set

Provided is a toner set including at least a first brilliant toner that contains a brilliant pigment, and a second brilliant toner that contains a brilliant pigment and exhibits a different color from the first brilliant toner.

An electrostatic charge image developing white toner includes toner particles that contain a binder resin, a titanium dioxide as a pigment and at least one selected from a group consisting of niobium and phosphorous, wherein an amount of the niobium is 0.005% by weight to 0.05% by weight or an amount of the phosphorous is 0.003% by weight to 0.05% by weight.

Electrostatic charge image developing white toner, electrostatic charge image developer, and toner cartridge

A brilliant toner includes a brilliant pigment, an azo yellow pigment, and a magenta pigment, wherein when a solid image in which a toner applied amount is 4.0 g/mis formed, color saturation of the image is 25 to 55, a hue angle is 65&#xb0; to 95&#xb0;, and lightness is 50 to 80.

Brilliant toner and electrostatic charge image developer

Provided is a brilliant toner containing a brilliant metallic pigment of which the surface is covered with at least one kind of metal oxides selected from a group consisting of silica, alumina, and titania, wherein the brilliant toner has a dielectric loss factor of from 10&#xd7;10to 60&#xd7;10.

Brilliant toner, developer, toner cartridge, process cartridge, and image forming apparatus

A brilliant toner includes a metallic pigment, and a Fe content in the brilliant toner is from 0.001% by weight to 2% by weight.

Brilliant toner, electrostatic charge image developer, and toner cartridge

An electrostatic image developing toner including: first toner particles which contain a first binder resin and a brightness pigment; and second toner particles which contain a second binder resin and do not contain a brightness pigment, wherein the proportion of the second toner particles is in a range from 5% by number to 80% by number with respect to a total number of all toner particles.

Brightness toner, development, toner cartridge, process cartridge, image forming apparatus, and method for producing the brightness toner

An electrostatic charge image developing toner includes toner particles containing a binder resin and pigment particles and an external additive containing fluorine resin particles, wherein the electrostatic charge image developing toner satisfies the following expression: 2&#x2266;A/B&#x2266;100, wherein A represents reflectance at an acceptance angle of +30&#xb0; which is measured when a solid image is formed using the electrostatic charge image developing toner and the solid image is irradiated with incident light at an incidence angle of &#x2212;45&#xb0; by the use of a variable-angle photometer, and B represents reflectance at an acceptance angle of &#x2212;30&#xb0; which is measured when the solid image is irradiated with incident light at an incidence angle of &#x2212;45&#xb0; by the use of the variable-angle photometer.

Toner, developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

A toner contains a binder resin and a polyalkylene, wherein the following formula is satisfied:2&#x2266;&#x2266;100where A represents a reflectance at a light-receiving angle of +30&#xb0; and B represents a reflectance at a light-receiving angle of &#x2212;30&#xb0;, A and B being measured when a solid fixed image formed by the toner is irradiated with incident light at an incident angle of &#x2212;45&#xb0; using a goniophotometer.

Toner, developer, toner cartridge, and image forming apparatus

An electrostatic latent image developing toner contains toner particles that contain a binder resin and a pigment; and an external additive that contains inorganic particles, a ratio (C/D) of an average maximum thickness C to an average equivalent circle diameter D in the toner particles is from 0.05 to 0.7, the inorganic particles include silicone oil-treated inorganic particles in which the amount of free silicone oil with respect to the inorganic particles is from 0.1% by weight to 10% by weight, and the amount of the silicone oil-treated inorganic particles added with respect to 100 parts by weight of the toner particles is from 0.1 part by weight to 10 parts by weight.

Electrostatic latent image developing toner, electrostatic latent image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

Provided is an electrostatic charge image developer including a first toner that contains a binder resin and a brilliant pigment, a second toner that contains a binder resin without a brilliant pigment, and a carrier, wherein the developer satisfies the following formulae,5 &#x3bc;m&#x2266;&#x2266;30 &#x3bc;m&#x2003;&#x2003;(1):1 &#x3bc;m&#x2266;&#x2266;15 &#x3bc;m&#x2003;&#x2003;(2):3.0&#x2266;&#x2266;5.0&#x2003;&#x2003;(3):5.0&#x2266;&#x2266;20.0&#x2003;&#x2003;(4):wherein A represents a volume average particle size of the first toner, B represents a volume average particle size of the second toner, and C represents a volume average particle size of the carrier.

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Kanagawa, Japan

Shotaro Takahashi