| 摘要 |
PURPOSE:To offer such a positively electrifiable toner and developer that has good reproducibility for fine lines and solid part without depending on environmental conditions, especially in a low humidity environment or even when regenerated paper is used, and that gives no damage to durability of a fixing roller due to electrostatic offset. CONSTITUTION:The positively electrifiable toner features in that it consists of coloring particles comprising at least a coloring agent and a positively electrifiable binder resin, to which a compd. expressed by formula 1 and/or 2 is added. The developer consists of the positively electrifiable toner and a carrier comprising a magnetic material coated with an insulating resin. |
