Canon Kabushiki Kaisha

Yosuke Sugitani

Masatake Tanaka

Takashi Hiramatsu

Daisuke Baba

Shohei Kototani

A cartridge provides comprising: a toner, a developing roller, a supply member and a regular member. The supply member abuts the surface of the developing roller and the regulating member serves to regulate the toner carried on the surface of the developing roller. The cartridge includes a first supply electrode to which a voltage is supplied from outside of the cartridge, with the supply member and the regulating member electrically connected to the same first supply electrode. Additionally, the toner contains a compound A having a structure represented by Formula (1) below,—(CHCHO)—  (1)

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Kanagawa, Japan

Yosuke Sugitani