Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Toner, and two component developer and image forming apparatus using the toner
A toner is provided that contains a binder resin; a colorant; a release agent; and an external additive, wherein the toner has an average circularity of from 0.940 to 0.965 and a crater having a depth of from 0.02 to 0.1 μm, and wherein the crater has an amount of the external additive larger than an average amount thereof on the toner, along with a two-component developer containing the toner and an image forming apparatus using the toner.
Ricoh Company, Ltd.
G G
G03G G03G
inventional inventional
Tomomi Hiroto Toshiki Shigeru Masami Junichi Hiroshi Shinichiro Fumihiro Takahiro Naohito
Suzuki Higuchi Nanya Emoto Tomita Awamura Yamada Yagi Sasaki Honda Shimota