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Brother MFC-J491DW User Manual

Brother MFC-J491DW
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Home > Troubleshooting > Error and Maintenance Messages
Error and Maintenance Messages
As with any sophisticated office product, errors may occur and supply items may have to be replaced. If this
happens, your machine identifies the error or required routine maintenance and shows the appropriate message.
The most common error and maintenance messages are shown in the table.
You can correct most errors and perform routine maintenance yourself. If you need more tips, go to your model's
FAQs & Troubleshooting page on the Brother Solutions Center at support.brother.com.
(MFC-J895DW)
If the touchscreen displays errors and your Android
device supports the NFC feature, touch your
device to the NFC symbol on the control panel to access the Brother Solutions Center and browse the
latest FAQs from your device. (Your mobile telephone provider's message and data rates may apply.)
Make sure the NFC settings of both your Brother machine and your Android
device are set to On.
Related Information references are at the bottom of this page.
MFC-J491DW/MFC-J497DW
Error Message
Cause Action
Absorber NearFull
The ink absorber box is nearly full. The ink absorber box must be replaced
soon. Call Brother Customer Service or a
Brother Authorized Service Center to
have your machine serviced.
The ink absorber box absorbs the
small amount of ink emitted during
print head cleaning.
B&W Print Only
Replace Ink
One or more of the color ink cartridges
have reached the end of their lives.
You can use the machine in black and
white mode for approximately four weeks
depending on the number of pages you
print.
While this message appears on the LCD,
each operation works in the following way:
Printing
If the media type is set to Plain Paper
in the Basic tab, and Grayscale is
selected in the Advanced tab of the
printer driver, you can use the machine
as a black and white printer.
Copying
If the paper type is set to Plain
Paper, you can make copies in black
and white.
Faxing
If the paper type is set to Plain
Paper, the machine will receive and
print the faxes in black and white.
Replace the ink cartridges.
See Related Information: Replace the Ink
Cartridges.
Although the Cause column lists options
for using the machine after this error
appears, you will not be able to use the
machine until you replace the ink
cartridge(s) under the following
conditions:
If you unplug the machine or remove
the ink cartridge.
If you select the Slow Drying Paper
option on the machine or in the printer
driver.
Cannot Detect
You installed a new ink cartridge too
quickly and the machine did not detect it.
Take out the new ink cartridge and
reinstall it slowly and firmly until it locks
into place.
See Related Information: Replace the Ink
Cartridges.
An ink cartridge is not installed correctly.
A used ink cartridge was reinstalled. Remove the used ink cartridge and install
a new one.
439

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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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