Brother MFC-9440CN User Manual page 158

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Release the grey lock lever (1) that is on
the left side of the machine. Lift the front
of the drum unit and pull the drum unit
completely out of the machine using the
green handles on the drum unit.
1
CAUTION
Make sure that you use the drum unit
handles when carrying it. DO NOT hold the
sides of the drum unit.
148
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Using their colored handles to lift them
out, remove all four toner cartridges
from the drum unit.
CAUTION
To prevent damage to the machine from
static electricity, DO NOT touch the
electrodes shown in the illustration.
Handle the toner cartridges carefully. If
toner scatters on your hands or clothes,
wipe or wash it off with cold water at once.