Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Toner, developer including the toner, and method for fixing toner image
A toner composition including toner particles including a binder resin including a modified polyester resin, and a second resin having a weight average molecular weight of from 2,000 to 10,000; a colorant; a release agent; and a particulate material which is present at least a surface portion of the toner particles while embedded into the surface portion, wherein the binder resin has a glass transition temperature not lower than 35° C. and lower than 55° C., and wherein the particulate material has an average particle diameter of from 0.002 to 0.2 times that of the toner particles. A developer including the toner composition and a carrier having a layer thereon which includes at least an acrylic resin and a silicone resin, and a method for fixing an image of the toner composition are also provided.
Ricoh Company Limited
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Takuya Shinichiro Masanori Tadao Hiroshi Masami Naohiro Toshiki Yohichiroh Hiroshi Tsunemi Shigeru
Saito Yagi Suzuki Takigawa Yamashita Tomita Watanabe Nanya Watanabe Yamada Sugiyama Emoto