Magnetic roll is one of the important component of the homemade drum unit, its role is to suck out toner powder from the warehouse, and toner and toner of friction charged, and then transfer toner evenly to latent image on the photosensitive drum (
The development process)
Magnetic roll permanent magnetic roller and electromagnetic roll two kinds.
Permanent magnetic roller article consists of three or four Ken magnets together, combined with aluminum alloy set of magnets is permanent, is generally not easy to damage.
Figure 5 -
4 for the magnetic roller.