Background removal apparatus

摘要: An electrically biased magnetic brush is used to remove background toner particles from a photoreceptor, and an reclaim roller the brush. Before contacting photoreceptor once again, bristles of are discharged by charge bar, having been charged roll. A second opposite polarity first may also be certain that polarities removed In addition, if desired, mixture two groups carrier beads form brush, different tribo-electric properties.