| 摘要 |
PURPOSE:To prevent a powder toner from filming due to a metal salt and melt attaching in streaks to the surface of a photosensitive body at the time of cleaning by incorporating a fatty acid metal salt in the powder toner in an amount of <=0.5wt% of the toner. CONSTITUTION:The powder toner composed of a binder resin, a colorant, and other additives, further, contains the fatty acid metal salt in an amount of <=0.5wt% of the total weight of the toner. The use of aluminum stearate high in electric resistance as the metal salt can prevent the toner from bleeding near the solid parts of a toner image, filming of the toner due to a small amount of the toner to be used, and melt attaching of the toner in streaks to the surface of the photosensitive body at the time of cleaning. |
