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Brother MFC-J491DW Manual

Brother MFC-J491DW
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Be careful not to get the ink in your eye when replacing ink cartridges.
Keep ink cartridges out of the reach of children.
Avoid swallowing ink.
DO NOT shake ink cartridges unless specifically instructed to do so. Ink may leak if the
cartridge is shaken or twirled.
DO NOT take apart ink cartridges. The cartridge cannot be used if it is taken apart. The ink
may get in your eye or make contact with your skin if you take apart the cartridge.
IMPORTANT
A distinct change in the product’s performance may indicate a need for service.
DO NOT connect your product to an AC power outlet controlled by wall switches or
automatic timers, or to the same circuit as a large appliance or other equipment that
requires a significant amount of electricity. It could disrupt the power supply. Disruption of
the power supply may also delete information from the product's memory, and repeated
cycling of the power supply can damage the product.
We recommend that you use our genuine ink cartridges to replace cartridges that come with
the device. Non-genuine ink cartridges may cause damage to the print head. They may also
result in differences in the colors or storage stability. (Not all non-genuine ink cartridges
cause these issues.)
DO NOT put objects on top of the product. Doing so may cause the product to malfunction.
Important Safety Instructions
DO NOT attempt to service this product yourself because opening or removing covers may
expose you to dangerous voltage points and other risks and may void your warranty. Refer all
servicing to a Brother Authorized Service Center.
1. Read all of these instructions.
2. Save these instructions for later reference.
3. Follow all warnings and instructions marked on the product.
4. Unplug this product from the AC power outlet and refer all servicing to Brother Authorized
Service Personnel under the following conditions:
If liquid has been spilled into the product.
If the product has been exposed to rain or water.
If the product does not operate normally when the operating instructions are followed. Adjust
only those controls that are discussed in the operating instructions. Improper adjustment of
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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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