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

摘要

PROBLEM TO BE SOLVED: To provide a developer for electrostatic charge development which suppresses variation of image density with the passage of time. SOLUTION: The developer for electrostatic charge development comprises: a toner including at least toner particles and an external additive having a number average particle diameter of 100-800 nm; a carrier having a shape factor SF2 of 100-120; and particles including a higher alcohol. COPYRIGHT: (C)2011,JPO&INPIT