BROTHER MFC-J3940DWYJ1 A3 inkjet MFP color 28ipm

The professional A3/A4 MFC-J3940DW all-in-one printer is built to last, meeting the needs of demanding small offices and business workgroups. A3 option enables you to produce a variety of A3, as well as A4 color documents, without any hassle, while experiencing high quality prints, fast print speeds and low running costs. This all-in-one device offers print, copy, scan and fax functionality.Print from your workstation, in a meeting room, or from your mobile device with wireless connectivity. Near Field Communication allows you to tap and print directly from your mobile device.




24 Months Bring-In Warranty

Device Type

Multifunction printer

Fax Type

Plain paper

Printing Technology

Ink-jet – colour

Display Colour Support


Display Features

Touch screen

Connection Availability



USB 2.0, LAN, Wi-Fi(n), NFC, USB 2.0 host

AirPrint Enabled


Office Machine Features

Scan to e-mail, scan to network, scan to FTP, scan to SharePoint, scan to OCR, scan to e-mail server, scan to PDF

Standard Memory

256 MB

Max Copying Speed

Up to 25 ppm (mono) / up to 16 ppm (colour)

Max Copying Resolution

Up to 600 x 600 dpi (mono) / up to 600 x 600 dpi (colour)

Max Copying Resolution Class

Up to 600 x 600 dpi (mono) / up to 600 x 600 dpi (colour)

Max Document Enlargement


Max Document Reduction


Automatic Duplexing


Max Printing Resolution

Up to 1200 x 4800 dpi (mono) / up to 1200 x 4800 dpi (colour)

Max Printing Resolution Class

Up to 1200 x 4800 dpi (mono) / up to 1200 x 4800 dpi (colour)

Max Printing Speed

Up to 28 ppm (mono) / up to 28 ppm (colour)

Ink Cartridge Configuration

4 cartridges (1 each: cyan, magenta, yellow, black)

Ink Palette Supported (Colours)

Cyan, magenta, yellow, black



First Print Out Time B/W

4.6 sec

Scan Element


Optical Resolution

1200 x 2400 dpi


Super G3

Max Transmission Speed

33.6 Kbps

PC Faxing


Original Type


Document Feeder Capacity

50 sheets

Max Media Size


Min Media Weight

64 g/m²

Max Media Weight

220 g/m²

Supported Media Type

Envelopes, plain paper, recycled paper, glossy paper

Supported Media Sizes

Legal (216 x 356 mm), A5 (148 x 210 mm), A3 (297 x 420 mm), A6 (105 x 148 mm), ANSI B (Ledger) (279 x 432 mm), 100 x 150 mm, 130 x 180 mm, Folio (216 x 330 mm), 90 x 130 mm, 130 x 200 mm

Supported Envelope Sizes

International DL (110 x 220 mm), Com-10 (105 x 241 mm), International C5 (162 x 229 mm), Monarch (98.4 x 190.5 mm)

Standard Media Capacity

600 sheets

Bypass Feeder Capacity

100 sheets

Output Trays Capacity

100 sheets

Document & Media Handling Details

2 x input tray – 250 sheets

Bypass tray – 100 sheets

ADF – 50 sheets

Output tray – 100 sheets

Speed Details

Printing: up to 28 ppm (A4) – B/W

Printing: up to 21 ppm (A4) – B/W duplex

Copying: up to 25 ipm – B/W

Copying: up to 16 ipm – colour

Scanning: up to 25 ipm (A4) – colour

Scanning: up to 13 ipm (A3) – colour


1 x USB 2.0 – 4 pin USB Type B

1 x USB host – 4 pin USB Type A

1 x LAN – RJ-45

Security Protocols & Features

Kerberos, SSL, LEAP, WEP, WPA-PSK, TLS, IPsec, WPA2-PSK, WPS, Wi-Fi Direct, TTLS, PEAP

Operating System Support

Linux, MS Windows Server 2008 R2 x64 Edition, MS Windows Server 2012, MS Windows Server 2012 R2, MS Windows Server 2008 (32/64-bits), MS Windows 7 (32/64 bits), Windows 8 (32/64-bits), Windows 10 (32/64-bits), MS Windows Server 2016, MS Windows Server 2019, macOS 11, Apple Mac OS X 10.14.6, Apple Mac OS X 10.15.x

Power Consumption Operational

29 Watt

Power Consumption Standby

5.5 Watt

Power Consumption Sleep

0.9 Watt

Consumables Included

1 x ink cartridge (black)

1 x ink cartridge (cyan)

1 x ink cartridge (magenta)

1 x ink cartridge (yellow)

Service & Support

Limited warranty – 3 years


57.6 cm


47.7 cm


37.5 cm


23.3 kg

Shipping Width

68.1 cm

Shipping Depth

56.1 cm

Shipping Height

49.3 cm

Shipping Weight

26.4 kg

Sound Emission

51.5 dBA (operating)

Min Operating Temperature

10 °C

Max Operating Temperature

35 °C

Humidity Range Operating

20 – 80%

  • This professional A3 printer offers you the capabilities to not only print in A4, but to also print your reports, presentations, marketing materials or training documents in A3, enabling you to expand your opportunities. Enclosed paper trays will also hold up to 500 A3 sheets. Using the 50-sheet automatic document feeder, you can leave your multi-page document to scan, while you focus on other tasks. On top of this with a large 8.8 cm easy to navigate LCD color touchscreen, you’re sure to work faster and better.
  • Through years of meticulous engineering design, the patented MAXIDRIVE print chip redefines printing technology. Ink droplets are ejected into 40 micrometer thick film generating pressure that travels through 1680 individual chambers across a single print chip, delivering ultra-fast, durable, precision printing.
  • The most advanced color printing technology is guaranteed to make the right impression when it counts, with vibrant, professional color prints and accurate digital documents. The robust design and long-life components provides confidence your device keeps on performing without interruption.
  • Thanks to the remote print function on the Brother Mobile Connect app, you can send prints jobs from anywhere – allowing you to get on with the rest of your day. You can even set up notifications that’ll let you know when the job is completed.