| 摘要 |
<p>The positively chargeable magnetic toner contains a binder resin and a magnetic powder with a specified octahedral shape, in which a frictional charged amount of the magnetic powder with a ferrite carrier, and a particle number of the magnetic powder exposed on a surface of the positively chargeable magnetic toner per 1 µm 2 area of the positively chargeable magnetic toner in an electron microscope image, are defined as values within predetermined ranges.</p> |
