Brother MFC-8440 B - Manual (Page 190)

12 - 29 TROUBLESHOOTING AND ROUTINE MAINTENANCE
How to replace the toner cartridge
WARNING
Just after you use the MFC, some internal parts of the machine will
be extremely HOT! So, never touch the shaded parts shown in the
illustration.
1
Open the front cover and pull out the drum unit.
Caution
■
Place the drum unit on a drop cloth or large piece of disposable
paper to avoid spilling and scattering the toner.
■
To prevent damage to the MFC from static electricity, do not
touch the electrodes shown below.
HOT!