215
T R O U B L E S H O O T I N G A N D M A I N T E N A N C E
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.
Summary of Contents for MFC-4350
Page 1: ...MFC 4350 MFC 4650 MFC 6650MC MFC 7750 OWNER S MANUAL ...
Page 22: ...8 C H A P T E R O N E ...
Page 100: ...86 C H A P T E R N I N E ...
Page 106: ...92 C H A P T E R E L E V E N ...
Page 146: ...132 C H A P T E R F O U R T E E N ...
Page 206: ...192 C H A P T E R E I G H T E E N ...