Brother MFC-J3940DW User Manual

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Trademarks
Apple, App Store, AirPrint, Mac, macOS, iPadOS, iPad, iPhone, iPod touch and Safari are trademarks of Apple
Inc., registered in the U.S. and other countries.
Nuance and PaperPort are trademarks or registered trademarks of Nuance Communications, Inc. or its affiliates
in the United States and/or other countries.
Wi-Fi
®
, Wi-Fi Alliance
®
and Wi-Fi Direct
®
are registered trademarks of Wi-Fi Alliance
®
.
WPA
™
, WPA2
™
, WPA3
™
, and Wi-Fi Protected Setup
™
are trademarks of Wi-Fi Alliance
®
.
Android and Google Chrome are trademarks of Google LLC.
EVERNOTE is a trademark of Evernote Corporation and used under a license.
The Bluetooth
®
word mark is a registered trademark owned by Bluetooth SIG, Inc. and any use of such marks by
Brother Industries, Ltd. is under license. Other trademarks and trade names are those of their respective owners.
Mopria
®
and the Mopria
®
Logo are registered and/or unregistered trademarks and service marks of Mopria
Alliance, Inc. in the United States and other countries. Unauthorized use is strictly prohibited.
Adobe
®
is a registered trademark of Adobe Systems Incorporated in the United States and/or other countries.
Each company whose software title is mentioned in this manual has a Software Licence Agreement specific to its
proprietary programs.
Software Trademarks
FlashFX
®
is a registered trademark of Datalight, Inc.
FlashFX
®
Pro
™
is a trademark of Datalight, Inc.
FlashFX
®
Tera
™
is a trademark of Datalight, Inc.
Reliance
™
is a trademark of Datalight, Inc.
Reliance Nitro
™
is a trademark of Datalight, Inc.
Datalight
®
is a registered trademark of Datalight, Inc.
Any trade names and product names of companies appearing on Brother products, related documents
and any other materials are all trademarks or registered trademarks of those respective companies.
Related Information
• Before You Use Your Machine
3

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