Toner for electrophotography and developer for electrophotography using the same, apparatus for forming image, and method for forming image
AssigneeFujitsu Limited
InventorsTomoaki Tanaka, Yasushige Nakamura
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AssigneeFujitsu Limited
InventorsTomoaki Tanaka, Yasushige Nakamura
Estimating the term…
A toner for electrophotography and the like that are excellent in color produceability, sublimination-resistance, and color reproduceability, and have no risk of fogging or printing defects of an image. The toner for electrophotography contains C.I. pigment Yellow 74 and C.I. pigment Yellow 180, in which the total content thereof is 7% by mass or less, the content of the C.I. pigment Yellow 74 is 5% by mass or less. A developer for electrophotography comprising the toner for electrophotography. An apparatus for forming an image comprising an electrostatic latent image carrier; means for forming an electrostatic latent image on the electrostatic latent image carrier; means for developing by accommodating the toner for electrophotography, and forming a visible image by developing the electrostatic latent image; and means for transferring a transfer image formed by the visible image, onto a transfer material.
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A toner for electrophotography comprising:
A developer for electrophotography comprising a toner for electrophotography,
An apparatus for forming an image, comprising:
A method for forming an image, comprising:
Dependencies are inferred from the claim text.
Backward citations are indexed for grants only.
Organic dyes: azo dyes
Natural macromolecular compounds or derivatives thereof: waxes
Colouring agents for toner particles: organic dyes
Organic dyes: anthracene dyes
Term end not estimated
This application is based upon and claims priority of Japanese Patent Application No. 2002-077039, filed in Mar. 19, 2002, the contents being incorporated herein by reference.
1. Field of the Invention
The present invention relates to a toner for electrophotography preferably used for a copier or a printer such as an electrophotographic copier, an electrophotographic printer, or an electrostatic recording apparatus, and in particular, preferably used for an image forming in which fixing of an image onto a transfer material is performed instantaneously by flash fixing, and a developer for electrophotography using the same, a method for forming an image, and an apparatus for forming an image.
FIG. 1 is a graph showing one example of the light emission spectrum of a xenon flash lamp.
(Toner for Electrophotography)
A toner for electrophotography of the present invention contains C.I. pigment Yellow 74 and C.I. pigment Yellow 180, and it contains a colorant, a binder resin, an infrared absorber, a charge control agent, and the like.
The C.I. pigment Yellow 74 is a yellow pigment excellent in color produceability.