4 connect the power cord and telephone line, Connect the power cord and telephone line – Brother MFC-8510DN User Manual
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4
Connect the power cord 
and telephone line
a
Connect the AC power cord to the machine and 
then plug it into an AC power outlet.
b
Turn the machine's power switch on.
c
Connect the telephone line cord. Connect one 
end of the telephone line cord to the jack on the 
machine marked LINE and the other end to a 
modular wall jack.
WARNING
The machine must be grounded using a 
3-prong plug.
Since the machine is grounded through the 
power outlet, you can protect yourself from 
potentially hazardous electrical conditions on 
the telephone network by keeping the power 
cord connected to your machine when you 
connect it to a telephone line. Similarly, you 
can protect yourself when you want to move 
your machine by disconnecting the telephone 
line first and then the power cord.
Important
DO NOT connect the interface cable 
yet.
Important
The telephone line cord MUST be connected to 
the jack on the machine marked LINE.
Note
If you are sharing one telephone line with an 
external telephone, connect it as shown below.
Before you connect the external telephone, 
remove the protective cap c from the EXT. jack 
on the machine.
a
Extension telephone
b
External telephone
c
Protective cap