Abstract: A toner for developing a static image is disclosed. The toner has carboxyl group in an amount of from 0.1×10?5 to 2.0×10?5 moles/g in a condition that the toner particle is dispersed in water, and an amount of a metal element contained in the toner is from 10 to 5,000 ppm by weight based on the toner.

Abstract: A toner for developing an electrostatic image, includes a toner particle containing a binder resin and a colorant, wherein a Feret's average horizontal diameter of the colorant is from 10 nm to 500 nm, a ratio of the colorant having the Feret's horizontal diameter of from 2 nm to 300 nm is 50% by number or more, and the colorant contains a compound or a lake of the compound.

Abstract: An electrostatic image developing toner is disclosed. The toner particle conrains a silanol compound represented by formula of RmSi(OH)n in an amount of 1 to 20 ppm which is measured based on a head space method: wherein R represents a hydrocarbon group containing an alkyl group, a vinyl group, a glycidyloxy group, or a methacrylic acid, m and n each represents an integer of 1 to 3, and when m is 2 or 3, R may be the same of different.

Abstract: An image forming apparatus comprising a plurality of image forming units, an intermediate transfer member, and an intermediate transfer member cleaning device to remove toner remaining the intermediate transfer member with plural cleaning blades, wherein each color toner used in the developing device of the plurality of image forming units contains 10 number % or less of toner particles whose diameter is (0.7×50% number particles diameter (Dp50)) or less and contains 300 ppm or less of a remaining monomers is disclosed.

Abstract: An electrostatic image developing toner is disclosed. The toner is composed of a colored particle containing a compound represented by Formula (1).

Abstract: An image forming apparatus for enabling an image forming which is stable for a long time, by using a charging method in which the amount of generated ozone or nitrogen oxides is reduced and consumed electric power is low. An image forming method includes: a charging section for charging a photoreceptor by contacting on the photoreceptor; an exposure section for forming a static latent image on the photoreceptor by an exposure; a developing section for developing a toner image on the static latent image by a toner having a toner particle which uses a binder resin and a colorant as a component, in which a total quantity of a volatile material measured by a headspace method is 350 ppm or less; and a transfer section for transferring the toner image on a transfer material.

Abstract: An image forming apparatus includes: four image forming units for black, yellow, magenta and cyan respectively, each image forming unit having at least a developing member; and a photosensitive member on which a toner image is formed with either a black toner, a yellow toner, a magenta toner or a cyan toner of each of developing members, and in which the formed toner image is transferred onto a recording material; wherein turbidity of each of the black toner, the yellow toner, the magenta toner and the cyan toner used in each developing member of the four image forming units is less than 60, maximum difference between the turbidities of the black toner, the yellow toner, the magenta toner and the cyan toner is in a range of 5 to 45, the photosensitive member is an amorphous silicon-based photosensitive member, and the black toner has the turbidity of less than 25.

Abstract: An image forming method characterized in that a plurality of toner images which differ in color is formed as superposed; a plurality of the superposed toner images is simultaneously transferred onto a sheet of recording paper; the turbidity of toners of each color which form a plurality of the toner images is less than 60; and the maximum turbidity difference among said toners of each color is 5-45.

Abstract: A toner for forming an electrophotographic image is disclosed. The toner particle contains at least two inorganic salts including an inorganic salt comprising a positive ion having a first valence and an inorganic salt comprising a positive ion having a second valence different from the first valence, a total amount of the inorganic salt having the first valence is greatest among the inorganic salts in the toner particle, and a total amount of the inorganic salt having the second valence is second greatest among the inorganic salts in the toner particle.

Abstract: An electrostatic image developing toner comprising a resin and a colorant is disclosed. The resin comprises a polymerization component of a polymerizable monomer having a polar group in an amount of 1.0 to 10.0 percent by weight, and a polymerization component of a polyfunctional polymerizable monomer in an amount of 0.1 to 10.0 percent by weight; ratio (A/B) is from 0.5 to 20.0 percent; and either a peak or a shoulder is positioned in the molecular weight region of 5,000 to 20,000, wherein A is an area of a chromatograph curve in the molecular weight region of 60,000 to 1,000,000, based on GCP measurement of a THF soluble component of toner and B is an entire area of the chromatograph curve.

Abstract: An image forming apparatus comprising: a plurality of image forming units each having at least an electrophotographic photoreceptor, a latent image forming device to form an electrostatic latent image on the electrophotographic photoreceptor, a developing device to develop the electrostatic latent image with toner to form visible toner image on the electrophotographic photoreceptor, a transferring device to transfer the visible toner image onto a toner image receiving member and a cleaning device to remove the toner remaining on the electrophotographic photoreceptor after transferring the visible toner image by the transferring device, wherein the plurality of image forming units are arranged so as to transfer and pile up the visible toner images successively onto said other material to form a toner image, and wherein the toners used in each of the image forming units have different colors and the turbidity of less than 60, and the difference of the turbidity of the toner having the highest turbidity and that

Abstract: A toner for developing a static image is disclosed. The toner has carboxyl group in an amount of from 0.1×10−5 to 2.0×10−5 moles/g in a condition that the toner particle is dispersed in water, and an amount of a metal element contained in the toner is from 10 to 5,000 ppm by weight based on the toner.

Abstract: An electrostatic image developing toner is disclosed. The toner particle conrains a silanol compound represented by formula of RmSi(OH)n in an amount of 1 to 20 ppm which is measured based on a head space method: wherein R represents a hydrocarbon group containing an alkyl group, a vinyl group, a glycidyloxy group, or a methacrylic acid, m and n each represents an integer of 1 to 3; and when m is 2 or 3, R may be the same of different.

Abstract: A toner for developing a static latent image is disclosed. The toner has a number based particle diameter distribution curve in which peak or maximum value is within the range of from 1.0 to 2.0 &mgr;m, and ratio of particles having particle diameter of from 1.0 to 2.0 &mgr;m is from 0.1 to 5.0% and ratio of particle having a diameter of at least 6.35 &mgr;m is 5.0%.

Abstract: A toner for developing electrostatic latent image is disclosed. The total amount of a volatile substance contained in the toner is not more than 350 ppm by weight based on the total weight of the toner and an amount of a polymerizable monomer is not more than 50 ppm by weight based on the total weight of the toner, and the amount of the volatile substance and the polymerizable monomer are measured by a head space method.

Abstract: An electrostatic image developing toner is disclosed. The toner is composed of a colored particle containing a compound represented by Formula (1).

Abstract: A toner for developing a static latent image is disclosed.

Abstract: An electrostatic image developing toner comprising a resin and a colorant is disclosed. The resin comprises a polymerization component of a polymerizable monomer having a polar group in an amount of 1.0 to 10.0 percent by weight, and a polymerization component of a polyfunctional polymerizable monomer in an amount of 0.1 to 10.0 percent by weight; ratio (A/B) is from 0.5 to 20.0 percent; and either a peak or a shoulder is positioned in the molecular weight region of 5,000 to 20,000, wherein A is an area of a chromatograph curve in the molecular weight region of 60,000 to 1,000,000, based on GCP measurement of a THF soluble component of toner and B is an entire area of the chromatograph curve.

Abstract: A toner for forming an electrophotographic image is disclosed. The toner particle contains at least two inorganic salts including an inorganic salt comprising a positive ion having a first valence and an inorganic salt comprising a positive ion having a second valence different from the first valence, a total amount of the inorganic salt having the first valence is greatest among the inorganic salts in the toner particle, and a total amount of the inorganic salt having the second valence is second greatest among the inorganic salts in the toner particle.

Abstract: A process for preparing a color toner for developing an electrostatic image comprising a step of polymerizing monomers to obtain resin particles, wherein the color toner comprises primary particles or secondary particles of resin particles, and a metal complex dye represented by the following formula (1) or formula (2), wherein, X1 and X3 each are a group of atoms bonding with each other which can form at least bidentate coordination bond with a metal ion; Y1 represents an aromatic hydrocarbon ring, a 5- or 6-membered heterocyclic ring or —L4═Y2; Y2 and Y3 each represent an aromatic hydrocarbon ring or a 5- or 6-membered heterocyclic ring; L1 and L4 each represent a substituted or an unsubstituted methine group or a nitrogen atom; L2 and L3 each represent a substituted or an unsubstituted methine group; M represents a metal ion which can form at least a bidentate coordination bond with said group of atoms bonding with each other represented by X1 and X3; m represents an integer of