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Troubleshooting and Maintenance 141
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
Clean the primary corona wire inside the drum unit by gently sliding the tab from right to left
several times.
2
Return the tab to the home position (▼ mark position) before reinstalling the drum unit.
3
Install the drum unit into the machine. (See Replacing the Drum Unit, page 146.)
4
Close the front cover.
If you do not position the tab at the home position, printed pages may have
vertical stripes.
Home Position ( )
Tab
Corona Wire