摘要 |
To provide a toner, which contains a binder resin, a colorant, and a silicone oil-treated external additive, wherein the silicone oil-treated external additive contains free silicone oil, and a total amount of the free silicone oil is 0.2% by mass to 0.5% by mass relative to the toner, and wherein the toner has the average circularity of 0.96 to 1. |
申请人 |
RICOH COMPANY, LTD.;KADOTA, TAKUYA;MIKURIYA, YOSHIHIRO;NOZAKI, TSUYOSHI;ISHIKAWA, YOSHIMICHI;FUWA, KAZUOKI;FUKAO, TOMOHIRO;MIKI, TOMOHARU;HAGI, MASAYUKI;SHONO, HIDEKAZU;HAMADA, MANABU;SAKUMA, TETSUSHI |
发明人 |
KADOTA, TAKUYA;MIKURIYA, YOSHIHIRO;NOZAKI, TSUYOSHI;ISHIKAWA, YOSHIMICHI;FUWA, KAZUOKI;FUKAO, TOMOHIRO;MIKI, TOMOHARU;HAGI, MASAYUKI;SHONO, HIDEKAZU;HAMADA, MANABU;SAKUMA, TETSUSHI |