Fuji Xerox Co., Ltd.

Motoki Matsushima

Yuki Nagamori

Atsushi Funada

Masahiro Katahira

Taiyou Uehara

A developing device includes a rotary member delivering a developer to a latent image on an image carrier while rotating, a supply member disposed in a supply path and including a supply shaft and a helical or substantially helical supply blade, the supply member supplying the developer to the rotary member while rotating, a stirring member disposed in a stirring path, which extends alongside the supply path, and including a stirring shaft and a helical or substantially helical stirring blade, the stirring member stirring and circulating the developer between the supply and stirring paths while rotating, and an ejection path connected to an upstream portion of the supply path in a transport direction of the developer to eject the developer to the outside. The stirring blade's outer diameter is 1.1 or about 1.1 times or more and 1.5 or about 1.5 times or less the supply blade's outer diameter.

Developing device and image forming apparatus

A fixing device includes a fixing member, a first roller, a second roller, a detector, and an adjustment unit. The fixing member fixes, on a recording medium, a toner image formed on the recording medium. The first roller performs cleaning of toner sticking to a surface of the fixing member. The second roller collects the toner sticking to a surface of the first roller. The detector detects a temperature of the second roller. The adjustment unit adjusts the temperature of the second roller on a basis of a result of detection performed by the detector.

Growing community of inventors

Kanagawa, Japan

Motoki Matsushima