| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ferrite carrier core material for electrophotographic developer that rapidly charges toner, exhibits high developability, and provides excellent image quality; a ferrite carrier for electrophotographic developer obtained by coating the surface of the ferrite carrier core material with a resin; and an electrophotographic developer using the ferrite carrier. <P>SOLUTION: Adopted are a ferrite carrier core material for electrophotographic developer comprising ferrite particles having the degree of fluidity of 50 g/40 sec; a ferrite carrier for electrophotographic developer obtained by coating the surface of the ferrite carrier core material with a resin; and an electrophotographic developer using the ferrite carrier. <P>COPYRIGHT: (C)2013,JPO&INPIT |
