Brother MFC-J2740DW Operating manual

Read this guide before attempting to operate the product, or before attempting any maintenance,
and ensure that you follow all warnings and instructions marked on the product. If you have
concerns about how to use your product safely after reading this guide, contact Brother customer
service or your local Brother dealer. Failure to follow these instructions may result in an increased
risk of personal injury or damage to property, including through fire, electrical shock, burns or
suffocation. Brother shall not be liable for the damage caused where the product owner has failed
to follow the instructions set out in this guide or on the product.
For more advanced instructions, information, and product specifications, see the Online User's
Guide at support.brother.com/manuals.
Symbols and Conventions
Used in the Documentation
WARNING
WARNING indicates a potentially hazardous
situation which, if not avoided, could result in
death or serious injuries.
CAUTION
CAUTION indicates a potentially hazardous
situation which, if not avoided, may result in
minor or moderate injuries.
IMPORTANT
IMPORTANT indicates a potentially
hazardous situation which, if not avoided,
may result in damage to property or loss of
product functionality.
NOTE
NOTE specifies the operating environment,
conditions for installation, or special
conditions of use.
Prohibition icons indicate actions
that must not be performed.
This icon indicates that flammable
sprays must not be used.
This icon indicates that organic
solvents such as alcohol, or other
liquids must not be used.
Electrical Hazard icons alert you to
possible electrical shock.
Fire Hazard icons alert you to the
possibility of a fire.
This icon alerts you to the
possibility of being injured by
moving parts.
This icon alerts you to the areas
that contain moving parts.
Product Safety Guide
MFC-J2340DW / MFC-J2740DW / MFC-J3540DW / MFC-J3940DW / MFC-J5340DW / MFC-J5740DW / MFC-J5855DW /
MFC-J5955DW / MFC-J6540DW / MFC-J6555DW / MFC-J6740DW / MFC-J6940DW / MFC-J6955DW / MFC-J6957DW
1

Compilation and Publication Notice
The definitions of font style are as follows:
Bold Bold typeface identifies specific keys on the product's control panel or
on the computer screen.
Italics Italicised style emphasises an important point or refers you to a
related topic.
Courier New Text in Courier New font identifies messages on the LCD of the
product.
Not all models are available in all countries.
The illustrations in this guide show the MFC-J6940DW.
This product's manuals have been compiled and published to provide the latest product safety
information at the time of publication. The information contained in these manuals may be
subject to change.
For the latest manuals, visit us at support.brother.com.
©2021 Brother Industries, Ltd. All rights reserved.
Choose a Safe Location for Your Product
WARNING
Choose a location where the temperature remains between 10°C and 35°C, the humidity is
between 20% and 80%, and where there is no condensation.
DO NOT expose the product to direct sunlight, excessive heat, open flames, corrosive
gasses, moisture, or dust. Doing so may create a risk of an electrical shock, short circuit, or
fire, causing damage to the product and/or rendering it inoperable.
2

DO NOT place the product near chemicals or in a place where chemicals could be spilled on
it. Should chemicals come into contact with the product, there may be a risk of fire or electrical
shock. In particular, organic solvents or liquids such as benzene, paint thinner, polish remover,
or deodoriser may melt or dissolve the plastic cover and/or cables, resulting in a risk of fire or
electrical shock. These or other chemicals may cause the product to malfunction or become
discoloured.
CAUTION
Put your product on a flat, level, stable surface (such as a desk), that is free from vibration
and shocks. Put the product near a telephone socket (models with the fax function only) and a
standard grounded electrical socket or a standard electrical socket (for Taiwan).
DO NOT place this product on an unstable cart, stand, or table, particularly if children are
expected to be near the product. The product is heavy and may fall, causing injury to you or
others and serious damage to the product. For the products with scanning functionality, there
is an added risk of injury if the scanner glass should break.
Avoid placing your product in a busy area. If you must place it in a busy area, ensure that the
product is in a safe location where it cannot be accidentally knocked over, which could cause
injury to you or others and serious damage to the product.
Ensure that cables and cords leading to the product are secured so as not to pose a tripping
hazard.
DO NOT place heavy objects on the product.
DO NOT place any objects around the product. Such objects block the access to the electrical
socket in case of emergency. It is important that the product can be unplugged whenever
needed.
IMPORTANT
• DO NOT place your product next to devices that contain magnets or generate magnetic
fields. Doing so may interfere with the operation of the product, causing print quality
problems.
• DO NOT place the product on any tilted/slanted surface. DO NOT tip the product after ink
cartridges are installed. Doing so may cause ink spillage and internal damage to the
product.
• DO NOT place your product next to sources of interference, such as speakers or the base
units of non-Brother cordless telephones. Doing so may interfere with the operation of the
product's electronic components.
3

• DO NOT place anything in front of the product that will block printed pages or received faxes
(models with the fax function only).
Connect the Product Safely
WARNING
ELECTRICAL HAZARDS
Failure to follow the warnings in this section may create the risk of an electrical shock. In
addition, you could create an electrical short, which may create the risk of a fire.
There are high-voltage electrodes inside the product. Before you access the inside of the
product, including for routine maintenance such as cleaning, make sure you have unplugged
the telephone line cord first (models with the fax function only) and then the power cord from
the electrical socket, as well as any telephone/RJ-11 (models with the fax function only) or
Ethernet/RJ-45 cables (network models only) from the product.
DO NOT push objects of any kind into this product through slots or openings in the product,
as they may touch dangerous voltage points or short-out parts.
DO NOT handle the plug with wet hands. Doing this might cause an electrical shock.
Always make sure the plug is fully inserted. DO NOT use the product or handle the cord if the
cord has become worn or frayed.
4

Unplug the power plug regularly to clean it. Use a dry cloth to clean the root of the plug blades
and between the blades. If the power plug is plugged into the socket over a long period, dust
accumulates around the plug blades, which may cause a short circuit, resulting in a fire.
DO NOT dismantle this product. Dismantling this product could cause a fire or electrical
shock.
DO NOT attempt to service this product yourself. Opening or removing covers may expose
you to dangerous voltage points and other risks and may void your warranty. Refer all
servicing to Brother customer service or your local Brother dealer.
DO NOT drop any metal objects or any type of liquid on the power plug of the product. It may
cause an electrical shock or a fire.
If water, other liquids, or metal objects get inside the product, immediately unplug the product
from the electrical socket and contact Brother customer service or your local Brother dealer.
This product should be connected to an AC power source within the range indicated on the
rating label on your machine. DO NOT connect it to a DC power source or inverter. If you are
not sure what kind of power source you have, contact a qualified electrician.
Use the Product Safely
WARNING
ELECTRICAL HAZARDS
Failure to follow the warnings in this section may create the risk of an electrical shock. In
addition, you could cause an electrical short, which may lead to a fire.
If the product has been dropped or the casing has been damaged, there may be the
possibility of an electrical shock. Unplug the product from the electrical socket and contact
Brother customer service or your local Brother dealer.
5

DO NOT use this product during a thunderstorm. There may be a remote risk of an electrical
shock from lightning.
FIRE HAZARDS
Failure to follow the warnings in this section may create the risk of a fire.
DO NOT use flammable substances, any type of spray, or an organic solvent/liquid containing
alcohol or ammonia to clean the inside or outside of the product. Doing so could cause a fire.
Instead, use only a dry, lint-free cloth. For instructions on how to clean the product, see the
Online User's Guide.
(Models with the Wireless LAN function only)
DO NOT use the product near any medical electrical equipment. The radio waves emitted
from the product may affect medical electrical equipment and cause a malfunction, which may
result in accident or injury.
For users with pacemakers:
This product generates a weak magnetic field. If you feel anything wrong with the operation of
your pacemaker when near the product, move away from the product and consult a doctor
immediately.
DO NOT place metal objects, such as clips, staples, or jewellery on the product. If these
objects contact the electrical parts inside the product, it may cause a fire or electrical shock.
DO NOT place a container holding water or liquid on the product. The water or liquid in the
container may spill into the product making contact with the electrical parts inside the product,
which may cause a fire or electrical shock.
If the product becomes unusually hot, releases smoke, generates any strong smells, or if you
accidentally spill any liquid on it, immediately unplug the product from the electrical socket.
Contact Brother customer service or your local Brother dealer.
Plastic bags are used in the packing of this product. Plastic bags are not toys. To avoid the
danger of suffocation, keep these bags away from babies and children, and dispose of them
correctly.
6

(Models with the fax function only)
Use caution when installing or modifying telephone lines. Never touch telephone wires or
terminals that are not insulated unless the telephone line has been unplugged from the wall
socket.
Never install telephone wiring during a thunderstorm. Never install a telephone wall socket in
a location that is wet or may become wet, for example, near a refrigerator or other appliance
that produces condensation.
Power Cord Safety:
• (Not available for Taiwan) This product is equipped with an earthed plug. This plug will only
fit into an earthed electrical socket. This is a safety feature. If you are unable to insert the
plug into the socket, ask your electrician to replace your obsolete socket. DO NOT attempt
to defeat the purpose of the earthed plug.
• DO NOT allow anything to rest on the power cord.
• DO NOT place this product where others might step on the cord.
• DO NOT place this product in a position where the cord is stretched or strained, as it may
become worn or frayed.
• DO NOT use the product or handle the cord if the cord has become worn or frayed. If
unplugging your product, DO NOT touch the damaged/frayed part.
• DO NOT pull on the middle of the AC power cord; pulling on the middle may cause the cord
to separate from the plug. Doing this might cause an electrical shock.
• DO NOT use any undesignated cables (or optional devices). Doing so may cause a fire or
injuries. Installation must be performed correctly according to the Quick Setup Guide.
• Brother strongly recommends that you DO NOT use any type of extension cord.
• This product should be positioned so that nothing pinches or constricts the power cord.
• DO NOT use cables that do not meet the cable specifications described in the Online User's
Guide: Specifications. Doing so may cause a fire or injuries.
• If the power cord is provided with this product, use ONLY the provided cord. Installation
must be performed correctly as described in the Quick Setup Guide.
CAUTION
Wait until pages have exited the product before picking them up. Failure to do this may cause
injury to your fingers by trapping them inside the machine.
DO NOT put your hand or any foreign objects into the ink insertion slot. Doing this may cause
injury.
7

If the tray has been extended to hold large paper, position the product so that the tray does
not protrude past the edge of the table or desk. If someone hits the tray, the product could fall
and cause injury.
8

To prevent injuries, be careful not to put your fingers in the areas shown in the illustrations.
(MFC-J6957DW)
When changing the tray size from the large paper size to the original size, be careful not to
pinch your fingers in the gaps or slots in the bottom of the tray. It may cause injury to you.
9

(MFC-J3540DW/MFC-J3940DW/MFC-J6540DW/MFC-J6555DW/MFC-J6740DW/
MFC-J6940DW/MFC-J6955DW/MFC-J6957DW)
Be careful not to put your fingers in the areas shown in the illustrations. It may cause injury to
you.
(MFC-J2740DW/MFC-J3540DW/MFC-J3940DW/MFC-J5740DW/MFC-J5955DW/
MFC-J6540DW/MFC-J6555DW/MFC-J6740DW/MFC-J6940DW/MFC-J6955DW/
MFC-J6957DW)
To prevent possible injuries, at least two people should lift the product. One person should
hold the front of the product, and one person should hold the back, as shown in the illustration
below. Carry the product by sliding your hands into the handhold indentations located on each
side of the product. Be careful not to trap your fingers when you put the product down.
10