| 摘要 |
<p>PURPOSE:To provide a developing method by which picture images on recording paper can be completely erased after use and the recording paper can be reused as it is. CONSTITUTION:A developer comprising a mixture of a magnetic carrier and a toner essentially comprising a binder resin is supplied by magnetic means to an image carrier which carries an electrostatic image on its surface so that the electrostatic charge image is visualized with the toner in the developer. In this method, the used toner contains at least 0.5-5wt.% colorless or transparent charge controlling agent, 5-15wt.% cyanine dye, and 0.1-5wt.% org. boron compd.</p> |
