3 Install the power cord and phone line; Setting Up the Machine; Install the power cord and - Page 8

Brother MFC-7840W Quick Setup Guide

Table of Contents

Quick Setup Guide MFC-7840W
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Setting Up the Machine

6

STEP 1

 

 3

Install the power cord and 

phone line

1

Make sure that the machine power switch is off. 
Connect the AC power cord to the machine.

 

2

Plug the AC power cord into an AC outlet. 
Turn the power switch on.

 

3

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.

 

Note

Make sure the telephone line cord is connected to 
the jack labeled 

LINE

 and not the 

EXT.

 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.

Note

If you are sharing one phone line with an external 
telephone, connect it as shown below.

 

 

Note

If you are sharing one phone line with an external 
telephone answering device, connect it as shown 
below.

 

 

 

Please set the receive mode to 

External TAD

.

For more details, see Choosing the correct 

Receive Mode on page 9 and Connecting an 

external TAD in Chapter 7 of the User’s 

Guide.

Detailed Information for Brother MFC-7840W Quick Setup Guide

Lists of information found in Brother MFC-7840W Quick Setup Guide - Page 8

  • 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.

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