| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a toner which has excellent fluidity, triboelectric property, toner supplying property and cleaning property and which does not cause decrease or irregularity in the image density nor give a damage to a photoreceptor. SOLUTION: This toner is produced by mixing color resin particles containing a binder resin and a coloring agent with at least one kind of external additive. At least one kind of external additive consists of hydrophobic titanium oxide fine particles each of which having 1:1 to 1:5 ratio of the minor axial length to the major axial length and <=60 m<2> /g BET specific surface area and is subjected to surface treatment with a hydrophobicity-imparting agent.</p> |
