Previous
You can refresh the drum to improve print quality if streaks or white spots appear on printed images.
Contact your service representative before using this function.
Do no printing operations while the drum is being refreshed.
Select [Maintenance] 
Press [OK]
Select [Quality Maintenance] Press [OK]
Select [Drum Refresh] Press [OK]
Select [OK].
It takes approximately 3 minutes to refresh the drum.
If sheets of paper are loaded in the bypass tray, first remove them, and then refresh the drum.
