Charging - Brother DCP-9010CN Service Manual

3.6.1

Charging

The exposure drum needs to be evenly electrified to coat toner beautifully on the exposure
drum. Ions are produced by supplying high-voltage power to the corona wire. The flow of the
ion charge is controlled by the constant voltage of the grid approximately 700 V and electrified
the exposure drum surface evenly.
Corona wire
Ion
Exposure drum
Grid
Fig. 2-21
2-24
Confidential