Drum Cleaning

If print quality decreases, the drum in the main unit may be dirty. If this happens, use the Drum Cleaning function to clean the drum.
1
Press [] (Settings/Registration).
2
Press [] or [] to highlight <Adjustment/Maintenance>, and then press [OK].
3
Press [] or [] to highlight <Clean Drum Unit>, and then press [OK].
4
Press [] or [] to highlight <Start>, and then press [OK].
5
Press [] (Settings/Registration) to close the Settings/Registration screen.
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