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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
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.
Home Position ( )
Tab
Corona Wire
CAUTION
If you do not position the tab at the home position, printed pages may
have vertical stripes.
3
Install the drum unit into the machine.
See the section “Replacing the Drum Unit” in this chapter.
4
Close the front cover.
5
Plug in the power cord.