Brother MFC 8700 - Manual (Page 156)

17 - 22 T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E
WARNING
Just after you have used the machine, some internal parts of the machine
are extremely HOT! When you open the front cover of the machine,
never touch the shaded parts as shown in the diagram below.
HOT!
3 Gently clean the scanner window by wiping with a clean soft dry cloth.
Do not use isoproply alcohol.
Scanner Window
Cleaning the Drum Unit
We recommend placing the drum unit on a drop cloth or large 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 and snap it into the home position (▼).
Home Position ( )
Tab
Corona Wire
Caution
If the tab is not at the home position, printed pages may have vertical
stripes.