Drum
When the drum unit inside the machine becomes dirty, print quality may deteriorate. If this happens, follow the procedure below to clean the drum unit. Note that you cannot clean the drum unit when the machine has documents waiting to be printed.
1
Press 
and tap <Menu>.
and tap <Menu>.2
Tap <Adjustment/Maintenance>.
3
Tap <Clean Drum Unit>.
4
Tap <Start>.
Cleaning starts. When the <Finished.> message is displayed approximately 30 seconds later, press to return to the main screen.
to return to the main screen.