An electrostatic charge image developing toner includes toner particles that contain a polyester resin which includes a condensed polymer of a polyvalent carboxylic acid and a polyol which contains ethylene glycol in an amount of from about 40% by weight to about 90% by weight with respect to a total amount of the polyol, and an external additive that contains silica particles in which a product of a volume average particle diameter D50 (nm) and a BET specific surface area SA (m.sup.2/g) is from about 1.410.sup.3 to about 5.010.sup.3.

A toner comprising a toner particle having a binder resin and a colorant, and metal titanate fine particles, wherein the toner particle includes a polyvalent metal element having an electric resistivity of from 2.510.sup.8 .Math.m to 10.010.sup.8 .Math.m; the amount of the polyvalent metal element in the toner particle is from 0.080 mol/g to 20.000 mol/g; the metal titanate fine particles have a perovskite crystal structure; and the number average particle diameter of primary particles of the metal titanate fine particles is from 10 nm to 80 nm.

Disclosed is a method for producing a toner comprising combining a binder resin, a wax, a negatively-chargeable charge control resin and a colorant to form the toner, prior to said combining, the negatively-chargeable charge control resin is obtained by drying treatment conducted for 2 to 24 hours under conditions of a drying temperature of 45 to 80 C. and a pressure of 0.5 to 20 kPa, wherein the negatively-chargeable charge control resin comprises a monomer unit having a functional group that imparts a negative charging property, a vinyl aromatic hydrocarbon monomer unit, and a (meth)acrylate monomer unit.

According to the present invention, in a toner including a toner particle containing a binder resin and a low molecular aromatic hydrocarbon, the binder resin contains a polyester resin, at least one kind of a unit derived from an aromatic monocarboxylic acid and a unit derived from an aromatic monoalcohol is contained, and the low molecular aromatic hydrocarbon has 1 or more and 4 or less benzene rings, and has a melting point of 60 C. or more and 120 C. or less.

A toner comprising a toner particle, and strontium titanate, wherein the strontium titanate has a specific number average particle diameter, the strontium titanate has a maximum peak (a) at a diffraction angle (2) of 32.00 deg to 32.40 deg in CuK characteristic X-ray diffraction, the half width of the maximum peak (a) is 0.23 deg to 0.50 deg, an intensity (Ia) of the maximum peak (a) and a maximum peak intensity (Ix) in a range of a diffraction angle (2) of 24.00 deg to 28.00 deg satisfy a specific relationship, the content of strontium oxide and titanium oxide in the strontium titanate is at least 98.0% by mass, and a sum total Et of a rotational torque and a vertical load in powder flowability analysis of the toner is 100 mJ to 2000 mJ.

Provided is a toner including toner base particles and an external additive, wherein each of the toner base particles includes a binder resin, a release agent, and silica, an average abundance ratio (X.sub.surf) of the silica on a region adjacent to a surface of the toner base particle is from 70% through 90%, and a projected area average value S(180) per particle of the toner when the toner is heated to 180 C. and a projected area average value S(30) per particle of the toner when the toner is 30 C. satisfy Formula (1) below,
1.4S(180)/S(30)1.7Formula (1).

A toner includes a europium complex represented by the following Chemical formula ##STR00001## where A represents 2-naphthyl group, 2-naphthyl group having a substitution group selected from the group consisting of an alkyl group, an alkoxy group, and a halogen, R represents a fluoroalkyl group having one to three carbon atoms or a methyl group, and R.sup.1, R.sup.2, R.sup.3, and R.sup.4 each, independently represent hydrogen atoms, alkyl groups, or aryl groups, wherein the toner has a hydroxyl value of from 20 to 40 mgKOH/g.

A toner includes a plurality of toner particles each including a toner mother particle and an external additive adhering to a surface of the toner mother particle. The external additive includes hydrotalcite particles. The hydrotalcite particles have a number average primary particle diameter of at least 80 nm and no greater than 1,000 nm. The hydrotalcite particles have a volume resistivity of no greater than 1.010.sup.5 .Math.cm. An amount of the hydrotalcite particles is at least 0.5 parts by mass and no greater than 3.0 parts by mass relative to 100 parts by mass of the toner mother particles.

A toner comprising a toner particle including a resin component, wherein the resin component includes an olefin copolymer including ester group having specific structures Y1 and Y2 and an olefin copolymer including acid group having an acid value of from 50 mg KOH/g to 300 mg KOH/g, the amount of the olefin copolymer including ester group is 50% by mass or more, the toner particle has a surface layer including the olefin copolymer including acid group which has formed a salt with a metal, the metal is at least one metal selected from the group consisting of Mg, Ca, Sr, Al, and Zn, and the total amount of the metal in the toner is from 25 ppm to 500 ppm.

Provided is an electrophotographic image forming method using two or more electrostatic image developing toners including a charging step, an exposing step, a developing step, a transferring step, and a fixing step, wherein, among the two or more toners, at least one is an achromatic color toner or a clear toner, and at least one is a chromatic color toner which contains a crystalline resin and a releasing agent; in the fixing step, a recording material to which is transferred an unfixed image formed with the two or more electrostatic image developing toners is nipped and conveyed to a fixing nip portion provided between a heated fixing rotating body and a pressure member, and thermally fixed; and a residual toner component is cleaned by a cleaning rotating body which is in contact with the fixing rotating body and a cleaning member which is in contact with the cleaning rotating body.