Non-magnetic one-component developer, non-magnetic one-component developer cartridge, process cartridge, image forming apparatus, and image forming method

摘要

PROBLEM TO BE SOLVED: To provide a non-magnetic one-component developer that suppresses the generation of color streaks in a non-magnetic one-component developing method.SOLUTION: There is provided a non-magnetic one-component developer including: toner particles that contains toner particle bodies including a binder resin, and a compound coated on the surface of each of the toner particle bodies and having a hydrophilic part and a hydrophobic part in a repeating structural unit, in which the hydrophilic part includes a group selected from a guanide group and a biguanide group, and the hydrophobic part includes an alkylene group; and an external additive having the surface subjected to hydrophobing treatment.