3.5.2 Print Process

(1)Charging

The flow of the ion charge is controlled by constant voltage of the grid 850 V to ensure it is distributed evenly on the drum surface. In order to coat toner on the exposure drum, the drum needs to be evenly electrified. Ions are produced by supplying high-voltage power to the corona wire.

Corona wire

Ion

Exposure drum

Grid

Fig. 2-23

Memo :

•The level of ozone expelled from the machine is less than 3.0 mg/h therefore not harmful to the human body. Applicable safety standards have been complied.

2-26

Confidential