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Ver. 122009
CLEANING THE DRUM UNIT
DCP9040CN, DCP9045CDN, HL4040CN, HL4040CDN, HL4070CDW, MFC9440CN,
MFC9450CDN & MFC9840CDW
The following is a procedure for cleaning the drum unit using either a medical alcohol swab (available at local
retail pharmacy or drugstore) or a cotton swab that has been moistened with Isopropyl alcohol. Warning:
Isopropyl alcohol is flammable and should be kept away from fire or flame.
Please note that this cleaning process may have to be repeated several times to remove certain kinds of foreign
material from the drum unit surface.
In some cases, the foreign material can not be removed and the drum unit will require replacement.
1. Turn off the machine’s power switch.
2. Unplug the telephone line cord first (if
applicable), disconnect all cables, and
then unplug the power cord from the AC
power outlet.
3. Press the front cover release button and
then fully open the front cover.
4. Grasp the green handle of the drum unit.
Lift the drum unit up slightly and then pull
it out until it stops.
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