Abstract: The present invention relates to toners for full color image-forming machine with specific external additives (kind, BET specific surface area etc.) added externally in combination to toner particles prepared by a wet granulation method, and a fixing method suitable for the toner.

Abstract: The present invention relates to an electrostatic-latent-image developing toner which contains at least a binder resin, a coloring agent and a wax that does not exhibit a clear peak on a low-temperature side of a main fusing peak in a DSC curve, the wax being represented by the formula; R1—(OCO—R2)n in which R1 and R2 independently represent a hydrocarbon group having 1 to 40 carbon atoms that may have a substituent, and n is an integer of 1 to 4.

Abstract: The present invention provides a toner comprising a binder resin, a colorant and an infrared absorbing agent, wherein tan&dgr; (loss elastic modulus G″/storage elastic modulus G′) of the toner at 120° C. is in the range of 3 to 6, and an image-forming method using the toner in which toner images on a recording medium are light irradiated by a flash lamp having a light-emitting energy of 1.0 to 5.0 J/cm2 so that the toner images are fixed on the recording medium.

Abstract: A toner includes a resin and a colorant, wherein the toner is obtained by carrying out a step of salting-out/fusing resin particles and colorant particles in a water-base medium, the toner having a compressive strength of 14 to 20, and a standard deviation of the compressive strength of smaller than 1.

Abstract: A non-contact heat fixing toner, comprising a binder resin, a colorant, an infrared absorbing agent, a first wax and a second wax, wherein a difference (X−Y) between the maximum peak temperature (X; ° C.) in the differential thermal curve in the first wax and Tg (Y; ° C.) of the binder resin is within the range from −5 to +10° C.

Abstract: The present invention relates to a toner, comprising a binder resin, a colorant and two kinds of infrared absorbing agents, and

Abstract: A toner used for an image forming method comprises steps of: limiting an amount of toner on a surface of a toner carrier by allowing a toner layer limiting member to be pressed to the surface of the toner carrier; and developing an electrostatic latent image formed on an electrostatic latent image carrier using the toner carried and transferred by the toner carrier, based on a non-magnetic single component development system, wherein the toner comprises toner particles having a volume average particle diameter of 3 to 9 &mgr;m, an arithmetic mean value of shape factor of 1.1 to 1.5, a coefficient of variation of shape factor of 16% or less, a ratio of rounded toner particle of 50% by number or more and a coefficient of variation of number particle diameter distribution of 26% or less, and a conveyance index of 2.0 to 10.0.

Abstract: A toner for developing electrostatic latent images, having a specified volume-average particle size, an average degree of roundness, a standard deviation of the degree of roundness and surface properties D/d50 wherein a specified amount of fatty acid metal salt that has a specified volume-average particle size is externally added, and an image-forming method using such a toner.

Abstract: A toner includes a resin and a colorant; wherein the toner is obtained by carrying out a step of salting-out/fusing resin particles and colorant particles in a water-base medium, the toner satisfying the following relationship: 0.88≦F25/F50≦1.0, where F25 represents an adhesive stress at a toner temperature of 25° C., and F50 represents an adhesive stress at a toner temperature of 50° C.

Abstract: A toner composition, comprising a binder resin, a wax, a copolymer and a colorant;

Abstract: The present invention relates to an electrostatic-latent-image developing toner which contains at least a binder resin, a coloring agent and a wax that does not exhibit a clear peak on a low-temperature side of a main fusing peak in a DSC curve, the wax being represented by the formula;

Abstract: The present invention relates to a full color image forming method for forming a full color image on a recording medium by using specific magenta toner, specific cyan toner, specific yellow toner and black toner, wherein a maximum adhering amount of the magenta toner, the cyan toner and the yellow toner on the recording medium is respectively 5.0 g/m2 or less.

Abstract: The present invention relates to a toner for developing an electrostatic latent image comprising a colorant, a binder resin having a number-average molecular weight of 2000 to 5000 and a ratio of weight-average molecular weight/number-average molecular weight of 5 to 30, a polymer having a weight-average molecular weight of 1000 to 3000 and a ratio of weight-average molecular weight/number-average molecular weight of 2.0 or less, and a release agent.

Abstract: The present invention relates to toners for full color image-forming machine with specific external additives (kind, BET specific surface area etc.) added externally in combination to toner particles prepared by a wet granulation method, and a fixing method suitable for the toner.

Abstract: The present invention relates to a toner for developing an electrostatic latent image comprising a binder resin, a colorant, a first wax, and a second wax whose kind is different from that of the first wax, wherein the toner is prepared by a kneading-grinding method and integrated domains of the first wax and the second wax are dispersed in the binder resin.

Abstract: The present invention relates to a mono-component developing device, which develops an electrostatic latent image formed on an electrostatic latent image-supporting member with a toner having a weight-average particle size of from 4 to 10 &mgr;m, a compression rate of not more than 32% and an angle of repose of not more than 38°, and a toner used for the mono-component developing device. Even in the case when a comparatively great stress is imposed on the toner particles, the toner of the present invention maintains superior fluidity and makes it possible to provide a high-quality image.

Abstract: A toner is provided for developing an electrostatic image which has relatively high roundness, uniform shape, excellent property of electrification, electrification stability, maintenance of heat resistance, fixability, image quality and productivity, and is effective for full-color image formation, cleanerless system and toner-recycling system. The toner comprises toner particles containing a binder resin (A), a polymer (B) and a colorant, the polymer (B) having weight-average molecular weight of 1000-3000 and a ratio of weight-average molecular weight/number-average molecular weight of not more than 2.0, wherein the polymer (B) particles exist on surfaces of the toner particles.

Abstract: A developing system is provided for forming a full-color image, which includes (i) a first developing device which is equipped with a developer-supporting member having a mean crest distance (Sm) of 20-200 &mgr;m on its surface and satisfying the following relation: 0.5-30, (ii) a second developing device which is equipped with a developer-supporting member having a mean crest distance (Sm) of 20-200 &mgr;m on its surface and satisfying the following relation: d4, Ra=0.5-3.0, wherein tan &dgr; (50° C.) of the black toner is not more than 1.0, and a first ratio of tan &dgr; and a first ratio tan 6 represented by (tan 8 (150° C.) of the first color toner (tan 8 (150° C.) of the black toner satisfies the following relation: I the first ratio of tan 8s 1.35.

Abstract: The present invention relates to a toner for developing an electrostatic latent image comprising a colorant, a binder resin having a number-average molecular weight of 2000 to 5000 and a ratio of weight-average molecular weight/number-average molecular weight of 5 to 30, a polymer having a weight-average molecular weight of 1000 to 3000 and a ratio of weight-average molecular weight/number-average molecular weight of 2.0 or less, and a release agent.

Abstract: The present invention relates to a full color image forming method for forming a full color image on a recording medium by using specific magenta toner, specific cyan toner, specific yellow toner and black toner, wherein a maximum adhering amount of the magenta toner, the cyan toner and the yellow toner on the recording medium is respectively 5.0 g/m2 or less.