BRUSH ROLLER FOR IMAGE FORMING APPARATUS AND MANUFACTURING METHOD OF THE SAME, AND DEVELOPING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a brush roller for an image forming apparatus capable of ensuring stable charging of toner to stably form images even in a high-temperature and high-humidity environment, a manufacturing method of the brush roller, and a developing device.SOLUTION: A manufacturing method of a brush roller for an image forming apparatus includes an electrostatic bristle implantation process of implanting short fiber into a core material, and hydrophobizing process of applying hydrophobizing treatment to the surface of the short fiber.