Cleaning The Drum Unit - Brother MFC-8440 User Manual

Cleaning the drum unit

We recommend placing the drum unit and toner cartridge assembly
on a 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 blue tab from right to left several times.
2
Return the blue tab and snap it into the Home position ( ▼ ).
Home Position(▼)
Caution
If the blue tab is not at Home position ( ▼ ), printed pages may have
vertical stripes.
3
Reinstall the drum unit and toner cartridge assembly into the
MFC.
(See Replacing the drum unit on page 22-34.)
4
Close the front cover.
5
Plug in the power cord first, then the telephone cord.
22 - 27 TROUBLESHOOTING AND ROUTINE MAINTENANCE
Tab
Corona Wire