Cleaning The Corona Wires - Brother MFC-9330CDW Basic User's Manual

Cleaning the corona wires

If you have print quality problems or the
Touchscreen shows Drum !, clean the
corona wires as follows:
a
Open the top cover until it locks in the
open position.
b
Remove the toner cartridge and drum
A
unit assembly.
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.
Routine maintenance
79
A