Brother MFC 9970CDW - Manual (Page 114)

106
o
Turn the drum unit gear toward you by
hand while looking at the surface of the
suspected area.
p
When you have found the mark on the
drum that matches the drum dot check
sheet, wipe the surface of the drum
gently with a cotton swab until the dust
or paper powder on the surface comes
off.
IMPORTANT
DO NOT clean the surface of the
photosensitive drum with a sharp object or
any liquids.
q
Turn the drum unit over by holding the
green handles.
r
Hold the handle of the toner cartridge
and slide the toner cartridge into the
drum unit, then slightly pull it toward you
until you hear it click into place. Make
sure that you match the toner cartridge
colour to the same colour label on the
drum unit. Repeat this for all the toner
cartridges.
C - Cyan M - Magenta
Y - Yellow K - Black
C
M
Y
K