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Brother MFC-J491DW Product Safety Guide

Brother MFC-J491DW
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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 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
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
properly.
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Brother MFC-J491DW Specifications

General IconGeneral
DisplayLCD
Product colorBlack
Built-in displayYes
Display diagonal1.77 \
Market positioningHome & office
Internal memory128 MB
Card reader integratedNo
Sound pressure level (copying)50 dB
Print technologyInkjet
Maximum resolution1200 x 6000 DPI
Duplex printing modeAuto
Print speed (ISO/IEC 24734) mono12 ipm
Print speed (ISO/IEC 24734) color6 ipm
Time to first page (black, normal)8 s
Duplex print speed (ISO/IEC 24734) mono3 ipm
Duplex print speed (ISO/IEC 24734) color1.7 ipm
Print speed (black, normal quality, A4/US Letter)27 ppm
Print speed (color, normal quality, A4/US Letter)10 ppm
Standard interfacesUSB 2.0, Wireless LAN
USB 2.0 ports quantity1
Copier resize25 - 400 %
Maximum copy resolution1200 x 600 DPI
Package depth249 mm
Package width447 mm
Package height457 mm
Package weight10100 g
Power consumption (off)0.2 W
Power consumption (sleep)1 W
Power consumption (standby)3.5 W
Power consumption (printing)16 W
Power consumption (average operating)- W
Sustainability certificatesNordic Swan Ecolabel, ENERGY STAR
FaxingMono faxing
Fax memory170 pages
Modem speed14.4 Kbit/s
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Security algorithms64-bit WEP, 128-bit WEP, WPA-PSK, WPA2-PSK
Mobile printing technologiesApple AirPrint, Mopria Print Service
Paper input typePaper tray
Total input capacity100 sheets
Total output capacity50 sheets
Auto document feeder (ADF) input capacity20 sheets
Paper tray media typesPlain paper
Borderless printing media sizesA4
Scan toE-mail, File, Image, OCR
Scanner typeFlatbed & ADF scanner
Input color depth30 bit
Output color depth24 bit
Maximum scan resolution19200 x 19200 DPI
Optical scanning resolution1200 x 2400 DPI
Digital sender-
Maximum duty cycle- pages per month
Harmonized System (HS) code84433100
Weight and Dimensions IconWeight and Dimensions
Depth341 mm
Width400 mm
Height172 mm

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