| 摘要 |
1468274 Electro-photography TURLABOR AG 8 Oct 1974 [9 Oct 1973] 43509/74 Addition to 1406184 Heading G2H The electro-phoretic imaging process of the Specification is modified by applying a potential to at least the circumferential surface of the cleaning roller which is used to remove excess toner dispersion from the image produced, which potential has the same polarity with respect to earth as the charge on the toner particles used for producing the image. |
