Dell E310dw User Manual page 162

NOTE: Make sure you put the toner cartridge in correctly or it may separate from the drum unit .
7. Clean the corona wire inside the drum unit by gently sliding the tab from left to right and right to left several
times.
NOTE: Be sure to return the tab to the Home position ( p ) . The arrow on the tab must be aligned with the arrow on
the drum unit . If it is not, printed pages may have a vertical stripe .
8. Install the toner cartridge and drum unit assembly back into the machine.
162 Routine Maintenance