Brother MFC-9120CN User Manual page 187

Replace WT Box message
When the following message appears on the
LCD, you need to replace the waste toner
box:
Replace WT Box
IMPORTANT
DO NOT reuse the waste toner box.
WARNING
DO NOT put the waste toner box into a fire.
It could explode.
Be careful not to spill the toner. DO NOT
inhale or allow it to get into your eyes.
a
Turn off the machine. Unplug the
telephone line cord first, and then
unplug the power cord from the
electrical socket.
b
Fully open the top cover by lifting up on
the handle (1).
1
Troubleshooting and routine maintenance
IMPORTANT
C
When the scanner is open, you cannot
open the top cover.
c
Take out all the drum unit and toner
cartridge assemblies.
IMPORTANT
• We recommend that you place the drum
unit and toner cartridge assembly on a
clean, flat surface with a sheet of
disposable paper or cloth underneath it in
case you accidentally spill or scatter toner.
• To prevent damage to the machine from
static electricity, DO NOT touch the
electrodes shown in the illustration.
• Handle the toner cartridge carefully. If
toner scatters on your hands or clothes,
wipe or wash it off with cold water at once.
C
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