Brother MFC-9330CDW - Manual (Page 109)

Routine maintenance
95
A
Replacing the waste toner
box
A
Order No. WT-220CL
The life of a waste toner box is approximately
50,000 Letter or A4 size single-sided pages.
WT Box End Soon
A
If the Touchscreen shows
WT Box End Soon , it means the waste
toner box is near the end of its life. Buy a new
waste toner box and have it ready before you
get a
Replace WT Box message.
Replace WT Box
A
When the Replace WT Box message
appears on the Touchscreen, you must
replace the waste toner box.
a
Make sure the machine is turned on.
b
Open the top cover until it locks in the
open position.
c
Remove all of the toner cartridge and
drum unit assemblies.
WARNING
HOT SURFACE
After you have just used the machine, some
internal parts of the machine will be
extremely hot. Wait for the machine to cool
down before you touch the internal parts of
the machine.