POSITIVELY CHARGEABLE MAGNETIC TONER AND IMAGE FORMING METHOD
申请公布号:US2013344428(A1)
申请号:US201313923733
申请日期:2013.06.21
申请公布日期:2013.12.26
发明人:KOYAMA AKINORI
分类号:G03G9/083
主分类号:G03G9/083
摘要: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 mum2 area of the positively chargeable magnetic toner in an electron microscope image, are defined as values within predetermined ranges.