TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

摘要

PROBLEM TO BE SOLVED: To provide toner for electrostatic charge image development that has excellent low-temperature fixability and gloss uniformity of images.

SOLUTION: Toner for electrostatic charge image development contains a polyester rein comprising a polycondensate of dialcohol containing dicarboxylic acid and a rosin skeleton. The weight average molecular weight Mw of the polyester resin is 25000 or more and 55000 or less, the number average molecular weight of the polyester resin Mn is 4000 or more and 10000 or less, and the content of the polyester resin with the molecular weight 500 or less is 5% or less relative to the whole polyester resin.

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