Abstract: Provided are a toner containing at least a binder resin and a colorant, the toner having a specific hue angle and an absorbance at a specific wavelength in reflectance spectrophotometry, and a full-color image-forming method involving the use of the toner, the method including the steps of: forming an electrostatic image on a charged electrostatic image bearing member; developing the formed electrostatic image with the toner to form a toner image; transferring the formed toner image onto a transfer material; and fixing the transferred toner image to the transfer material to form a fixed image.

Abstract: Provided are a toner containing at least a binder resin and a colorant, the toner having a specific hue angle and an absorbance at a specific wavelength in reflectance spectrophotometry, and a full-color image-forming method involving the use of the toner, the method including the steps of: forming an electrostatic image on a charged electrostatic image bearing member; developing the formed electrostatic image with the toner to form a toner image; transferring the formed toner image onto a transfer material; and fixing the transferred toner image to the transfer material to form a fixed image.

Abstract: Provided are a toner containing at least a binder resin and a colorant, the toner having a specific hue angle and an absorbance at a specific wavelength in reflectance spectrophotometry, and a full-color image-forming method involving the use of the toner, the method including the steps of: forming an electrostatic image on a charged electrostatic image bearing member; developing the formed electrostatic image with the toner to form a toner image; transferring the formed toner image onto a transfer material; and fixing the transferred toner image to the transfer material to form a fixed image.

Abstract: Toner characterized in that assuming that the glass transition point of the toner measured by a differential scanning calorimeter (DSC) is represented by T1(° C.), in a micro compression test at T1?10 (° C.), when a load from 0.00N (0.00 mgf) to 7.85×10?4 N (80.00 mgf) is applied at the intervals of 7.85×10?7 N (0.08 mgf) to a single particle of the toner, the strain value A80a(%) at 7.85×10?4 N is 35.0 to 75.0%; and in a load (x-axis)-strain (y-axis) curve obtained by the micro compression test, the ratio of an area (S1a) of a specific region, relative to an area (S2a) of a specific region, (S1a/S2a), is 1.5 to 3.5.

Abstract: Provided is a toner including toner particles each containing a binder resin, a colorant, and a wax, and inorganic fine particles, the toner having such a characteristic that a temperature-storage elastic modulus curve at a high frequency shows a characteristic change in its behavior in a specific temperature region with respect to a temperature-storage elastic modulus curve at a low frequency.

Abstract: A toner in which, in a loss tangent (tan ?) curve obtained by a dynamic viscoelasticity test, the tan ? shows a maximal value ?a in the temperature region of 28.0-60.0° C., which maximal value ?a is 0.50 or more, and shows a minimal value ?b in the temperature region of 45.0-85.0° C., which minimal value ?b is 0.60 or less, where the difference between the maximal value ?a and the minimal value ?b is 0.20 or more; and, where the temperature that affords the maximal value ?a is represented by Ta (° C.) and the temperature that affords the minimal value ?b is represented by Tb (° C.), the difference between the Ta and the Tb is 5.0-45.0° C.; and the toner having, in a storage elastic modulus (G?) curve obtained by the dynamic viscoelasticity test, a value G?a of a storage elastic modulus at the Ta, of 1.00×106-5.00×107 Pa.

Abstract: A toner in which, in a loss tangent (tan ?) curve obtained by a dynamic viscoelasticity test, the tan ? shows a maximal value ?a in the temperature region of 28.0-60.0° C., which maximal value ?a is 0.50 or more, and shows a minimal value ?b in the temperature region of 45.0-85.0° C., which minimal value ?b is 0.60 or less, where the difference between the maximal value ?a and the minimal value ?b is 0.20 or more; and, where the temperature that affords the maximal value ?a is represented by Ta(° C.) and the temperature that affords the minimal value ?b is represented by Tb(° C.), the difference between the Ta and the Tb is 5.0-45.0° C.; and the toner having, in a storage elastic modulus (G?) curve obtained by the dynamic viscoelasticity test, a value G?a of a storage elastic modulus at the Ta, of 1.00×106-5.00×107 Pa.

Abstract: Toner characterized in that assuming that the glass transition point of the toner measured by a differential scanning calorimeter (DSC) is represented by T1(° C.), in a micro compression test at T1?10 (° C.), when a load from 0.00N (0.00 mgf) to 7.85×10?4 N (80.00 mgf) is applied at the intervals of 7.85×10?7 N (0.08 mgf) to a single particle of the toner, the strain value A80a(%) at 7.85×10?4 N is 35.0 to 75.0%; and in a load (x-axis)-strain (y-axis) curve obtained by the micro compression test, the ratio of an area (S1a) of a specific region, relative to an area (S2a) of a specific region, (S1a/S2a), is 1.5 to 3.5.

Abstract: Provided are a toner containing at least a binder resin and a colorant, the toner having a specific hue angle and an absorbance at a specific wavelength in reflectance spectrophotometry, and a full-color image-forming method involving the use of the toner, the method including the steps of: forming an electrostatic image on a charged electrostatic image bearing member; developing the formed electrostatic image with the toner to form a toner image; transferring the formed toner image onto a transfer material; and fixing the transferred toner image to the transfer material to form a fixed image.

Abstract: In a black toner having at least a binder resin and an iron-titanium composite oxide as a colorant; the iron-titanium composite oxide is contained in a specific amount; the black toner has a specific weight average particle diameter and a specific saturation magnetization; the black toner has, in X-ray diffraction thereof, a maximum peak at 2?=from 32.5 to 33.1 degrees, having a half width of 0.25 degree or less. The black toner has, in a proportion of less than 30% by number, an iron-titanium composite oxide having, in a sectional photograph of the toner, a maximum frequency of linearity within the range where the linearity is smaller than 2.4 and having a linearity of 3.0 or more, in regard to the number frequency distribution of the linearity of the iron-titanium composite oxide.

Abstract: Provided is a toner including toner particles each containing a hinder resin, a colorant, and a wax, and inorganic fine particles, the toner having such a characteristic that a temperature-storage elastic modulus curve at a high frequency shows a characteristic change in its behavior in a specific temperature region with respect to a temperature-storage elastic modulus curve at a low frequency.

Abstract: Provided is a toner including toner particles each containing a binder resin, a colorant, and a wax, and inorganic fine particles, the toner having such a characteristic that a temperature-storage elastic modulus curve at a high frequency shows a characteristic change in its behavior in a specific temperature region with respect to a temperature-storage elastic modulus curve at a low frequency.

Abstract: Provided is a toner including toner particles each containing a binder resin, a colorant, and a wax, and inorganic fine particles, the toner having such a characteristic that a temperature-storage elastic modulus curve at a high frequency shows a characteristic change in its behavior in a specific temperature region with respect to a temperature-storage elastic modulus curve at a low frequency.

Abstract: A charge control resin containing a copolymer which has a unit having a sulfonic acid ester group having a specific structure and has the unit in specific proportions. The charge control resin can provide a toner with superior charging performance. Also disclosed is a toner having such a charge control resin.

Abstract: Toner characterized in that assuming that the glass transition point of the toner measured by a differential scanning calorimeter (DSC) is represented by T1 (° C.), in a micro compression test at T1?10 (° C.), when a load from 0.00 N (0.00 mgf) to 7.85×10?4 N (80.00 mgf) is applied at the intervals of 7.85×10?7 N (0.08 mgf) to a single particle of the toner, the strain value A80a (%) at 7.85×10?4 N is 35.0 to 75.0%; and in a load (x-axis)-strain (y-axis) curve obtained by the micro compression test, the ratio of an area (S1a) of a specific region, relative to an area (S2a) of a specific region, (S1a/S2a), is 1.5 to 3.5.

Abstract: A toner in which, in a loss tangent (tan ?) curve obtained by a dynamic viscoelasticity test, the tan ? shows a maximal value ?a in the temperature region of 28.0-60.0° C., which maximal value ?a is 0.50 or more, and shows a minimal value ?b in the temperature region of 45.0-85.0° C., which minimal value ?b is 0.60 or less, where the difference between the maximal value ?a and the minimal value ?b is 0.20 or more; and, where the temperature that affords the maximal value ?a is represented by Ta(° C.) and the temperature that affords the minimal value ?b is represented by Tb(° C.), the difference between the Ta and the Tb is 5.0-45.0° C.; and the toner having, in a storage elastic modulus (G?) curve obtained by the dynamic viscoelasticity test, a value G?a of a storage elastic modulus at the Ta, of 1.00×106-5.00×107 Pa.

Abstract: In a black toner having at least a binder resin and an iron-titanium composite oxide as a colorant; the iron-titanium composite oxide is contained in a specific amount; the black toner has a specific weight average particle diameter and a specific saturation magnetization; the black toner has, in X-ray diffraction thereof, a maximum peak at 2?=from 32.5 to 33.1 degrees, having a half width of 0.25 degree or less. The black toner has, in a proportion of less than 30% by number, an iron-titanium composite oxide having, in a sectional photograph of the toner, a maximum frequency of linearity within the range where the linearity is smaller than 2.4 and having a linearity of 3.0 or more, in regard to the number frequency distribution of the linearity of the iron-titanium composite oxide.

Abstract: Provided are a toner containing at least a binder resin and a colorant, the toner having a specific hue angle and an absorbance at a specific wavelength in reflectance spectrophotometry, and a full-color image-forming method involving the use of the toner, the method including the steps of: forming an electrostatic image on a charged electrostatic image bearing member; developing the formed electrostatic image with the toner to form a toner image; transferring the formed toner image onto a transfer material; and fixing the transferred toner image to the transfer material to form a fixed image.

Abstract: The present invention provides: a toner kit having a deep toner and a pale toner which are separated from each other, wherein: the deep toner and the pale toner satisfy prescribed conditions for an L*a*b* color coordinate system where a* represents a hue in the red-green direction, b* represents a hue in the yellow-blue direction, and L* represents a lightness; the pale toner and the deep toner to be used in the toner kit; and a method for forming an image using the toner kit. Thus, the present invention can form a high quality image, while suppressing graininess and roughness over the areas covering from the low density area to the high density area.

Abstract: A charge control resin containing a copolymer which has a unit having a sulfonic acid ester group having a specific structure and has the unit in specific proportions. The charge control resin can provide a toner with superior charging performance. Also disclosed is a toner having such a charge control resin.