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TROUBLESHOOTING AND MAINTENANCE
Cleaning the Drum Unit
We recommend you place the drum unit on a drop cloth or large piece of
disposable paper to avoid spilling and scattering toner.
1
Turn the drum unit upside down carefully.
2
Clean the primary corona wire inside the drum unit by gently sliding the tab
from right to left several times.
3
Return the tab to the home position (▼ mark position) before
reinstalling the drum unit.
Home Position (▼)
Tab
Corona Wire
CAUTION
If you do not position the tab at the home position, printed pages may have
vertical stripes.
4
Install the drum unit into the MFC.
See the section “Replacing the Drum Unit” on page 221.
5
Close the top cover.
6
Plug in the power cord.