Brother HL-L2350DW Operating manual
Product Safety Guide
HL-L2350DW / HL-L2370DW / HL-L2370DWXL / HL-L2390DW /
DCP-L2550DW / HL-L2395DW / MFC-L2710DW / MFC-L2730DW /
MFC-L2750DW / MFC-L2750DWXL
Brother Industries, Ltd.
15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan
Read this guide before attempting to operate the product, or before attempting any maintenance.
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
damage caused where the product owner has failed to follow instructions set out in this guide.
How to use this guide:
1. Read the whole guide before using your product and keep it for later reference.
2. Carefully follow the instructions set out in this guide and always ensure that you follow all
warnings and instructions marked on the product.
3. If you have concerns about how to use your product after reading this guide, contact Brother
customer service or your local Brother dealer.
4. To ensure you understand all of the instructions, study the Symbols and Conventions used in
the documentation.
NOTE
For more advanced instructions, information, and product specifications, see the Online User's Guide
at support.brother.com/manuals
1
Symbols and Conventions Used in the
Documentation
The following symbols and conventions are used throughout the documentation.
Follow all warnings and instructions marked on the product.
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.
Electrical Hazard icons alert you to
possible electrical shock.
Fire Hazard icons alert you to the
possibility of a fire.
Hot Surface icons warn you not to
touch product parts that are hot.
Prohibition icons indicate actions that
must not be performed.
Bold Bold typeface identifies specific
keys on the product's control
panel or on the computer screen.
Italics Italicized style emphasizes 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.
NOTE
• Not all models are available in all countries.
• The illustrations in this guide show the
HL-L2370DW/MFC-L2750DW.
Compilation and Publication Notice
Under the supervision of Brother Industries, Ltd., this product's manuals have been compiled
and published, covering the latest product descriptions and specifications.
The contents of all manuals and the specifications of this product are subject to change without
notice.
Brother reserves the right to make changes without notice in the specifications and materials
contained herein and shall not be responsible for any damages (including consequential)
2
caused by reliance on the materials presented, including but not limited to typographical and
other errors relating to the publication.
Choose a Safe Location for Your Product
WARNING
Choose a location where the temperature remains between 50°F and 90°F (10°C and 32°C),
the humidity is between 20% and 80%, and where there is no condensation.
DO NOT place the product near heaters, air conditioners, electrical fans, refrigerators, or
water. Doing so may create the risk of an electrical shock, short circuit, or fire, as water may
come into contact with the product (including condensation caused by heating/air
conditioning/ventilation equipment).
DO NOT allow this product to come into contact with water. This product should not be used
around standing water, including a bathtub, sink, or swimming pool; around appliances
containing water, including a refrigerator; or in a wet basement.
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.
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 deodorizer 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
discolored.
3
DO NOT put the product in a location that blocks or obstructs any slot or opening in the
product. These slots and openings are provided for ventilation. Blocking the machine's
ventilation could create a risk of overheating and/or fire.
Instead:
• Keep a minimum gap around the product as shown in the illustration.
Products without scanning function
4 in.
(100 mm)
5 in.
(120 mm)
4 in.
(100 mm)
Products with scanning function
4 in.
(100 mm)
4 in.
(100 mm)
10 in.
(250 mm)
• Place the product on a solid level surface.
• DO NOT place this product near or over a radiator or heater.
• DO NOT place this product in any installation unless adequate ventilation is provided.
4
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 wall jack (MFC models only) and a standard
grounded AC power outlet.
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 power
outlet in case of emergency. It is important that the product can be unplugged whenever
needed.
The product may generate odorous gas such as ozone if used for a large volume of printing or
used in a poorly ventilated room for multiple hours. In addition, the product emits some
chemical substances during the printing process. Ensure adequate ventilation for the product
to avoid injury or discomfort.
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 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.
5
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 (MFC models only) and then the power cord from the AC power
outlet, as well as any telephone/RJ-11 (MFC models 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.
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 outlet over a long period, dust
accumulates around the plug blades, which may cause a short circuit, resulting in a fire.
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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 Authorized Service Center.
DO NOT drop any metallic hardware 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 AC power outlet and contact Brother Authorized Service Personnel.
This product should be connected to an AC power source within the range indicated on the
rating label (You can find 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 AC power outlet and contact
Brother Authorized Service Personnel.
7
DO NOT use this product during a thunderstorm. There may be a remote risk of an electrical
shock from lightning.
DO NOT put toner cartridges or a toner cartridge and drum unit assembly into a fire or places
susceptible to fire. It could explode, resulting in injuries.
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.
DO NOT attempt to operate this product when a paper jam or stray pieces of paper are inside
the product. Prolonged contact of paper with the fuser unit could cause a fire.
DO NOT use a vacuum cleaner to clean up scattered toner. Doing this might cause the toner
dust to ignite inside the vacuum cleaner, potentially starting a fire. Carefully clean the toner
dust with a dry, lint-free soft cloth and dispose of it according to local regulations.
8
(Models with 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 the following objects on the product.
If these objects contact the electrical parts inside the product, it may cause a fire or electrical
shock.
• Metal objects such as a clip or a staple
• Precious metals such as a necklace or a ring
• Containers holding water or liquid such as a glass, a flower vase, or a flower pot
HOT SURFACE
Immediately after using the product, some internal parts of the product will be extremely hot.
Wait at least 10 minutes for the product to cool down before you touch the internal parts of the
product.
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 AC power outlet.
Contact Brother Authorized Service Personnel.
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
properly.
9
(MFC models 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
jack.
Never install telephone wiring during a thunderstorm. Never install a telephone wall jack in a
location that is wet or may become wet, for example, near a refrigerator or other appliance
that produces condensation.
Power Cord Safety:
• This product is equipped with a grounded plug. This plug will only fit into a grounded power
outlet. This is a safety feature. If you are unable to insert the plug into the outlet, call your
electrician to replace your obsolete outlet. DO NOT attempt to defeat the purpose of the
grounded plug.
• DO NOT allow anything to rest on the power cord.
• DO NOT place this product where people 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 if the power cord is frayed or damaged. Doing so may cause an
electrical shock or fire.
• 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 properly according to the user's 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 any cable that does not meet the applicable cable specifications described in
the Quick Setup Guide. 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 properly
according to the Quick Setup Guide.
CAUTION
When you move the product, carry the product as shown in the illustration.
10
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9
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