Brother MFC-J3940DW User Manual

Home > Machine Settings > Change Machine Settings Using Web Based Management > Access Web
Based Management
Access Web Based Management
• We recommend Microsoft Internet Explorer 11/Microsoft Edge for Windows, Safari 13 for Mac, Google
Chrome
™
for Android (4.x or later), and Google Chrome
™
/Safari for iOS (10.x or later). Make sure that
JavaScript and Cookies are always enabled in whichever browser you use.
• The default password to manage this machine’s settings is located on the back of the machine and marked
"Pwd". We recommend immediately changing the default password to protect your machine from
unauthorised access.You can also find the default password in the Network Configuration Report.
• If the password is entered incorrectly several times, you will not be able to log in for a while. The lockout
settings can be changed in Web Based Management.
• Up to eight computers or mobile devices can be logged in to Web Based Management at the same time. If
you log in a ninth device, the first device will be logged out.
• We recommend using the HTTPS security protocol when configuring settings using Web Based
Management. If you use HTTP when configuring settings using Web Based Management, follow the
screen prompts to switch to a secure HTTPS connection.
• When you use HTTPS for Web Based Management configuration, your browser will display a warning
dialog box. To avoid displaying the warning dialog box, you can install a self-signed certificate to use
SSL/TLS communication. For more detailed information, see Related Information.
>> Start from Your Web Browser
>> Start from Brother iPrint&Scan (Windows/Mac)
>> Start from Brother Utilities (Windows)
>> Start from Brother Mobile Connect
Start from Your Web Browser
1. Start your web browser.
2. Type "https://machine's IP address" in your browser's address bar (where "machine's IP address" is the
machine's IP address).
For example:
https://192.168.1.2
• If you are using a Domain Name System or enable a NetBIOS name, you can type another name, such
as "SharedPrinter" instead of the IP address.
- For example:
https://SharedPrinter
If you enable a NetBIOS name, you can also use the node name.
- For example:
https://brnxxxxxxxxxxxx
The NetBIOS name can be found in the Network Configuration Report.
3. If required, type the password in the Login field, and then click Login.
4. If you want to pin the navigation menu on the left side of the screen, click
and then click .
You can now change the machine settings.
If you change the protocol settings, you must restart the machine after clicking Submit to activate the
configuration.
After configuring the settings, click Logout.
Start from Brother iPrint&Scan (Windows/Mac)
1. Start Brother iPrint&Scan.
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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