Ricoh Company, Ltd.

Taro Araki

Atsushi Yamamoto

Minoru Masuda

Junichi Watanabe

Takeshi Shibuya

Taichi Nemoto

Masashi Miyakawa

Toshihiko Usami

A toner is provided that contains a crystalline polyester resin comprising a polycondensed resin of a dicarboxylic acid represented by the following formula (1) with a diol represented by the following formula (2). A content of a cyclic ester represented by the following formula (3) in the toner, measured by a thermal extraction gas chromatographic mass spectrometry at a thermal extraction temperature of 160&#xb0; C., is from 1 to 200 ppm in terms of toluene: where n represents an integer of from 2 to 12; where m represents an integer of from 2 to 12; and where n represents an integer of from 2 to 12, m represents an integer of from 2 to 12, and m+n&#x2265;6 is satisfied.

Toner, toner storage unit, image forming apparatus, and method for manufacturing toner

A storage to store a dispersion liquid in which particles including a resin are dispersed in a solvent is provided. The storage includes a storage tank to store the dispersion liquid, which is arranged on a passage leading from a dispersion liquid producing device to produce the dispersion liquid to a solvent removing device to remove the solvent from the dispersion liquid; and a pressure adjuster to adjust the pressure of the dispersion liquid in the storage tank to a pressure between the pressure of the dispersion liquid in the dispersion liquid producing device and the pressure of the dispersion liquid in the solvent removing device.

Storage for storing dispersion liquid, and toner producing apparatus using the storage

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Shizuoka, Japan

Taro Araki