Brother MFC-J3940DW User Manual

I Want to Check that My Network Devices are Working Correctly
Check Action Interface
Check that your Brother
machine, access point/
router, or network hub is
turned on.
Check the following:
• The power cord is connected correctly and the Brother machine is
turned on.
• The access point/router or hub is turned on and its link indicator is
blinking.
• All protective packaging has been removed from the machine.
• The ink cartridges are installed correctly.
• The Scanner Cover and the Jam Clear Cover are fully closed.
• Paper is inserted correctly in the paper tray.
• (For wired networks) A network cable is securely connected to the
Brother machine and to the router or hub.
Wired/Wireless
Check that you can
"ping" the Brother
machine from your
computer.
Ping the Brother machine from your computer using the IP address or
the node name in the Windows command prompt or Mac Terminal
application:
ping <ipaddress> or <nodename>.
• Successful: Your Brother machine is working correctly and
connected to the same network as your computer.
• Unsuccessful: Your Brother machine is not connected to the same
network as your computer.
Windows:
Ask your administrator about the IP address and the subnet mask, and
then use the Network Connection Repair Tool.
Mac:
Confirm that the IP address and the Subnet Mask are set correctly.
Wired/Wireless
Check that your Brother
machine is connected to
the wireless network.
Print the WLAN Report to check the error code on the printed report. Wireless
If you have checked and tried all of the above but you are still having problems, see the instructions supplied with
your wireless LAN access point/router to find the SSID (Network Name) and the Network Key (Password)
information and set them correctly.
Related Information
• Network Problems
• Check Network Devices Using the Ping Command
Related Topics:
• Configure Your Machine for a Wireless Network When the SSID is Not Broadcast
• Use Wi-Fi Direct
®
• Print the WLAN Report
• Wireless LAN Report Error Codes
• Print the Network Configuration Report
• Use the Network Connection Repair Tool (Windows)
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Brother MFC-J3940DW Specifications

General

Card reader integrated	No
Sound power level (printing)	65.4 dB
Sound pressure level (printing)	50 dB
Scan to	E-mail, E-mail Server, FTP, File, Image, OCR, USB
Scan drivers	SANE, TWAIN, WIA
Scanner type	ADF scanner
Duplex scanning	Yes
Grayscale levels	256
Input color depth	48 bit
Output color depth	24 bit
Input grayscale depth	16 bit
Output grayscale depth	8 bit
Maximum scan resolution	19200 x 19200 DPI
Optical scanning resolution	1200 x 2400 DPI
N-up printing	2, 4, 9, 16
Print technology	Inkjet
Maximum resolution	4800 x 1200 DPI
Duplex printing mode	Auto/Manual
Print speed (ISO/IEC 24734) mono	28 ipm
Print speed (ISO/IEC 24734) color	21 ipm
Time to first page (black, normal)	4.4 s
Time to first page (color, normal)	4.6 s
Print speed (black, normal quality, A4/US Letter)	- ppm
Display	LCD
Control type	Buttons, Touch
Product color	Gray
Display diagonal	3.5 \
Market positioning	Home & office
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technology	10/100Base-T(X)
Security algorithms	802.1x RADIUS, APOP, SMTP-AUTH, SNMPv3, SSL/TLS
Ethernet LAN data rates	10, 100 Mbit/s
Mobile printing technologies	Apple AirPrint, Brother iPrint & Scan, Google Cloud Print, Mopria Print Service
Printing colors	Black, Cyan, Magenta, Yellow
Duplex functions	Copy, Fax, Print, Scan
Maximum duty cycle	- pages per month
Number of print cartridges	4
Copier resize	25 - 400 %
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	999 copies
N-in-1 copy function (N=)	2, 4
Time to first copy (black, normal)	5 s
Time to first copy (color, normal)	6 s
Package depth	561 mm
Package width	681 mm
Package height	493 mm
Package weight	26600 g
Quantity per pack	1 pc(s)
Paper input type	Paper tray
Total input capacity	650 sheets
Paper tray 1 input capacity	250 sheets
Multi-Purpose tray input capacity	100 sheets
Auto document feeder (ADF) input capacity	50 sheets
Cables included	Phone
Faxing	Color faxing
Fax memory	150 pages
Modem speed	33.6 Kbit/s
Fax forwarding to	E-mail, Fax, PC
Fax speed dialing (max numbers)	150
AC input voltage	220 - 240 V
Power consumption (off)	0.03 W
Power consumption (sleep)	0.9 W
Power consumption (copying)	29 W
Power consumption (standby)	6 W
Envelopes sizes	Com-10, DL, Monarch
Photo paper sizes	9x13, 10x15, 13x18 cm
Custom media width	105 - 297 mm
Custom media length	148 - 431.8 mm
Paper tray media types	Coated paper, Envelopes, Glossy paper, Photo paper, Plain paper, Recycled paper
ISO A-series sizes (A0...A9)	A3, A4, A5, A6
Maximum ISO A-series paper size	A3
Multi-Purpose Tray media weight	64 - 220 g/m²
Auto Document Feeder (ADF) media weight	64 - 120 g/m²
Mac operating systems supported	Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur
Other operating systems supported	ChromeOS
Server operating systems supported	Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Windows operating systems supported	Windows 10, Windows 7, Windows 8, Windows 8.1

Weight and Dimensions

Depth	477 mm
Width	576 mm
Height	375 mm