| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electrophotographic toner having stable electrostatic charge performance in long-term continuous copying, giving stable image characteristics with respect to image fog and image density and retaining satisfactory coloring power. SOLUTION: The electrophotographic toner has carbon black contained in a bonding resin, the sum of the acid value and hydroxyl value of the bonding resin is <=30 and the carbon black has a structure index of >=100, <=1.2% volatile matter content and 14-35 nm average particle diameter.</p> |
