Canon Kabushiki Kaisha

Seiji Tomari

Kaichi Tsuchiya

Hiroshi Yamakami

Yoshihiro Sakamoto

Yasuo Mitsuhashi

Shinichiro Nagashima

Yasuyuki Tamura

Tohru Takahashi

Masashi Kiuchi

Tatsuo Miyamae

Hisashi Kurachi

A developing device in which a one-component magnetic developer is brought into contact with an electrostatic image carrier in a developing station while it is conveyed in a predetermined direction, to thereby develop a desired electrostatic image is provided with developer carrier means carrying the one-component magnetic developer on the peripheral surface thereof and bringing the developer into contact with the electrostatic image carrier, means for moving a magnetic field along the peripheral surface of the developer carrier means to thereby move the one-component magnetic developer in the direction opposite to the direction of movement of the magnetic field, and means for moving the developer carrier means in the direction of movement of the magnetic field.

Developing method for electrostatic image

A process for fixing a toner image formed on a support by means of a heat roller according to the present invention comprises fixing the toner image developed by using a toner containing as the binder resin a styrene-butadiene copolymer containing 70 to 95 mole % of styrene.

Process for fixing a toner image

An electrophotographic method comprises developing an electric latent image formed on a photosensitive member comprising a photoconductive material and containing a first color forming agent in a surface for forming a visible image with a charged toner particle containing a second color forming agent, and heating to cause a thermal color forming reaction therebetween resulting in formation of a colored fixed image on the photosensitive member and a receiving sheet comprising a color forming agent (B) and a material having a melting point from 40.degree. to 130.degree. C.

Receiving sheet

A toner for developing electrostatic latent images contains a resin binder mainly composed of a polyester resin having a softening point of 80-150.degree. C. according to the Ring and Ball method and a solid silicone varnish having a molecular weight of 500-2000.

Toner for developing electrostatic latent images comprising resin binder

An electrophotographic method comprises developing an electric latent image formed on a photosensitive member comprising a photoconductive material and containing a first color forming agent in a surface for forming a visible image with a charged toner particle containing a second color forming agent, and heating to cause a thermal color forming reaction therebetween resulting in formation of a colored fixed image on the photosensitive member.

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Yokohama, Japan

Seiji Tomari