2-26
Confidential
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.
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.
Corona wire
Ion
Grid
Exposure drum
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