Brother MFC 990cw - Manual (Page 137)

Safety and Legal
125
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To use the machine safely
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Please keep these instructions for later reference and read them before attempting any
maintenance.
WARNING
There are high voltage electrodes inside the machine. Before you clean the inside of the
machine, make sure you have unplugged the telephone line cord first and then the power cord
from the electrical socket. Doing this will prevent an electrical shock.
DO NOT handle the plug with wet hands. Doing this might cause an electrical shock.
DO NOT pull on the middle of the AC power cord. Doing this might cause an electrical shock.
DO NOT put your hands on the edge of the machine under the document cover or the scanner
cover. Doing this may cause injury.