| 摘要 |
A toner clean-off head utilizing a vacuum for removing liquid toner from a moving record medium having a latent electrostatic image thereon, in which the contact surface of the clean-off head is cylindrical so that the record medium easily conforms to ensure proper removal of the toner with a minimum of applied vacuum. A thin clean-off blade is positioned in a slot in the cylindrical contact surface so that the edge of the blade forms an element of the surface, and an inlet air passage and a toner exhaust passage in communication with vacuum means are defined on either side of the blade.
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