Brother MFC-L8600CDW - Manual (Page 79)

Routine maintenance
73
A
f
Repeat steps e to clean each of three
remaining corona wires.
g
Hold the handle of the toner cartridge
and slide the toner cartridge into the
drum unit, then gently pull it toward you
until you hear it lock into place. Make
sure that you match the toner cartridge
color to the same color label on the drum
unit. Repeat this for all the toner
cartridges.
h
Push the drum unit in until it stops.
i
Close the front cover of the machine.
BK - Black C - Cyan
M - Magenta Y - Yellow
BK
TN-BK
TN-C
TN-M
TN-Y
BK
BK
C
M
Y