Electrophotographic developer composition.

摘要

An electrophotographic developer composition, toner, comprises a binder of a polyester resin and a colorant, said polyester resin having a softening point of 80 to 180 °C, further having been obtained by copolycondensing (A) a diol component with (B) carboxylic acid components comprising (a) a dicarboxylic acid, (b) trimellitic acid and (c) a polycarboxylic acid. It is improved in the fixation property.