MAGNET ROLLER, MANUFACTURING METHOD THEREOF, DEVELOPER CARRIER, DEVELOPING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a magnet roller capable of achieving miniaturization and high magnetic force, also, having a long service life, without giving adverse effects on the bearing thereof, thereby, capable of forming a high quality image. SOLUTION: The magnet roller has an integrally formed shaft part at each end of the columnar main body part thereof, and only the roller main body part is magnetized. COPYRIGHT: (C)2008,JPO&INPIT