A fixing apparatus includes a fixing belt and an induced current generation section. The fixing belt includes a conductive layer. The induced current generation section faces the fixing belt. The induced current generation section includes a coil and a magnetic body. The coil generates a magnetic flux. The magnetic body faces the fixing belt across the coil. In the magnetic body, a part facing an end in a width direction of the fixing belt is set as a movable magnetic body capable of moving in a width direction.

The toner binder of the present invention contains a crystalline resin (A) and a resin (B) that is a polyester resin or its modified resin, the polyester resin being obtained by reaction of an alcohol component (X) and a carboxylic acid component (Y) as raw materials, wherein a temperature (Tp) of the top of an endothermic peak derived from the crystalline resin (A) as measured by a differential scanning calorimeter (DSC) is in the range of 40 C. to 100 C., and endothermic peak areas S.sub.1 and S.sub.2 during heating satisfy the following equation.
(S.sub.2/S.sub.1)10035(1)
S.sub.1 is an area of the endothermic peak derived from the crystalline resin (A) in the first heating process, and S.sub.2 is an area of the endothermic peak derived from the crystalline resin (A) in the second heating process, when the toner binder is heated, cooled, and heated.

A fixing apparatus includes a fixing belt and an induced current generation section. The fixing belt includes a conductive layer. The induced current generation section faces the fixing belt. The induced current generation section includes a coil and a magnetic body. The coil generates a magnetic flux. The magnetic body faces the fixing belt across the coil. In the magnetic body, a part facing an end in a width direction of the fixing belt is set as a movable magnetic body capable of moving in a width direction.

An electrostatic latent image developing toner includes a plurality of toner particles containing a binder resin. The binder resin has an amide bond and an ester bond. An area ratio of a peak originated from CO stretching of the amide bond to a peak originated from CO stretching of the ester bond is at least 0.00010 and no greater than 0.02000 in a FT-IR spectrum of the toner obtained by Fourier transform infrared spectroscopy analysis. The toner has a storage elastic modulus at 80 C. of at least 3.510.sup.4 Pa and no greater than 5.010.sup.4 Pa. The toner has a storage elastic modulus at 120 C. of at least 1.010.sup.3 Pa and no greater than 1010.sup.4 Pa. The toner has a storage elastic modulus at 150 C. of at least 1.010.sup.3 Pa and no greater than 1010.sup.4 Pa.

A method of printing three-dimensional parts with an electrophotography-based additive manufacturing system, with a part material including a composition having an engineering-grade thermoplastic material and a charge control agent. The part material is provided in a powder form having a controlled particle size, and is configured for use in the electrophotography-based additive manufacturing system having a layer transfusion assembly for printing the three-dimensional parts in a layer-by-layer manner.

An electrostatic latent image developing toner includes a plurality of toner particles containing a binder resin. The binder resin has an amide bond and an ester bond. An area ratio of a peak originated from CO stretching of the amide bond to a peak originated from CO stretching of the ester bond is at least 0.00010 and no greater than 0.02000 in a FT-IR spectrum of the toner obtained by Fourier transform infrared spectroscopy analysis. The toner has a storage elastic modulus at 80 C. of at least 3.510.sup.4 Pa and no greater than 5.010.sup.4 Pa. The toner has a storage elastic modulus at 120 C. of at least 1.010.sup.3 Pa and no greater than 1010.sup.4 Pa. The toner has a storage elastic modulus at 150 C. of at least 1.010.sup.3 Pa and no greater than 1010.sup.4 Pa.

A white toner according to an embodiment includes: a raw white toner not containing a colloidal silica and containing a white pigment and a crystalline resin; and 1.0 to 1.1 parts by weight of a colloidal silica per 100 parts by weight of the raw white toner. The white toner has a true density of 1.8 to 2.2 g/cm.sup.3.

A water dispersible sulfopolymer for use as a material in the layer-wise additive manufacture of a 3D part made of a non water dispersible polymer wherein the water dispersible polymer is a reaction product of a metal sulfo monomer, the water dispersible sulfo-polymer being dispersible in water resulting in separation of the water dispersible polymer from the 3D part made of the non water dispersible polymer.

The toner binder of the present invention contains a crystalline resin (A) and a resin (B) that is a polyester resin or its modified resin, the polyester resin being obtained by reaction of an alcohol component (X) and a carboxylic acid component (Y) as raw materials, wherein a temperature (Tp) of the top of an endothermic peak derived from the crystalline resin (A) as measured by a differential scanning calorimeter (DSC) is in the range of 40 C. to 100 C., and endothermic peak areas S.sub.1 and S.sub.2 during heating satisfy the following equation.

(S.sub.2/S.sub.1)10035 (1)

S.sub.1 is an area of the endothermic peak derived from the crystalline resin (A) in the first heating process, and S.sub.2 is an area of the endothermic peak derived from the crystalline resin (A) in the second heating process, when the toner binder is heated, cooled, and heated.

The toner binder of the present invention contains a crystalline resin (A) and a resin (B) that is a polyester resin or its modified resin, the polyester resin being obtained by reaction of an alcohol component (X) and a carboxylic acid component (Y) as raw materials, wherein a temperature (Tp) of the top of an endothermic peak derived from the crystalline resin (A) as measured by a differential scanning calorimeter (DSC) is in the range of 40 C. to 100 C., and endothermic peak areas S.sub.1 and S.sub.2 during heating satisfy the following equation.
(S.sub.2/S.sub.1)10035(1)
S.sub.1 is an area of the endothermic peak derived from the crystalline resin (A) in the first heating process, and S.sub.2 is an area of the endothermic peak derived from the crystalline resin (A) in the second heating process, when the toner binder is heated, cooled, and heated.