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DCP9040CN, DCP9045CDN, HL4040CN, HL4040CDN, HL4070CDW, MFC9440CN,

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.

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.

CLEANING THE DRUM UNIT

MFC9450CDN & MFC9840CDW

4. Grasp the green handle of the drum unit.

Lift the drum unit up slightly and then pull

it out until it stops.

Warning:

Ver. 122009