Ricoh Company, Ltd.

Mituo Aoki

Yutaka Takahashi

Tadashi Kasai

Masanori Suzuki

Akihiro Kotsugai

Hiroyuki Fushimi

Yasushi Koichi

Toshiaki Higaya

Kumi Hasegawa

Hachiroh Tosaka

A toner for developing an electrostatic latent image, which includes ground toner particles having physical properties meeting with at least one of the following conditions (a) and (b):

Toner for developing electrostatic images

A toner for developing an electrostatic latent image, including toner particles having an average surface roughness of at least 0.86, wherein the average surface roughness is an average of SF1 of respective toner particles, where SF1 is defined as follows:

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Shizuoka-ken, Japan

Mituo Aoki