Brother MFC-9420CN - Manual (Page 7)

5
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8
Install the toner cartridge by sliding it into
the correct guide. Match the cartridge color
label to the corresponding label on the
machine.
9
Repeat steps 6 through 8 for the
remaining toner cartridges.
0
Close the front cover.
1
Open the back cover (1) and the scanner
unit (2) of the machine.
2
Pull out the protective part from both sides
of the fusing unit.
3
Close the scanner unit (1) and the back
cover (2).
K
Y
M
C
K
Y
M
C
2
Remove the protective
parts of the Fusing Unit