| abstract |
There is provided a ferrite carrier core material for an electrophotographic developer, which includes ferrite particles. A volume average particle diameter of the ferrite particles is from 10 μm to less than 20 μm. Also, there is provided a ferrite core which includes the ferrite carrier core material, and a resin coating a surface of the ferrite carrier core material. Further, there is provided an electrophotographic developer which includes the ferrite carrier; and a toner, wherein a concentration of the toner is from 15 to 35 wt %. |