| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a toner which decreases shaping or scratching of an organic photoreceptor, fixing roller, fixing film or the like, which extends the exchange life of the organic photoreceptor or the like, and which can form an image of high quality for a long time without causing any filming, melt sticking, white spots, black spots, contamination on the back face of an image. SOLUTION: In the toner containing at least toner particles and hydrophobic inorganic fine powder, the toner particles contain at least a binder resin, magnetic particles and wax and have the following properties. (a) The peak area of melting of the wax measured by DSC of the toner is >=5 J/g, and (b) by FE-SAM observation of the toner particle surface, the average numberαof magnetic particles identified per unit area (μm2) of the toner particle surface at 1.0 kV acceleration voltage, and the average numberβof the magnetic particles identified per unit area (μm2) of the toner particle surface at 2.0 kV acceleration voltage satisfy 1.1<=β/α<=50.0 whenα≠0 and 0.1<=β<=20.0 whenα=0.</p> |
