The MFC-J4340DW is a powerful device offering high quality print, copy, scan and fax functionality. There are many ways this robust, yet stylish machine will make your home-working life easier. Firstly, with in-box ink cartridges allowing you to print up to 3,000 page black and 1,500 pages colour you don’t need to replace ink as often – saving time and money. With the 20 sheet ADF, you can leave your multipage document to scan while you focus on other tasks. On top of this, with fast print speeds and an easy to navigate 4.5cm colour LCD and simple-to-use navigation buttons, you’re sure to work faster and better. You don’t need to be sat at your desk, or even near the printer to use the MFC-J4340DW. With the range of connectivity options available, you can print anywhere in your house or office – and even from your mobile phone through the Wi-Fi. By downloading the Brother Mobile Connect app you can access an array of features – from sending print jobs, to checking your ink levels and ordering replacement supplies when necessary. Combining a truly multifunctional device and a compact, robust built shell - it really is the perfect home office business partner.

System requirements
Windows operating systems supported	Windows 10, Windows 7, Windows 8, Windows 8.1
Mac operating systems supported	Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supported	Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Ports & interfaces
Direct printing	Y
USB port	Y
USB 2.0 ports quantity	2
Weight & dimensions
Width	435 mm
Depth	343 mm
Height	180 mm
Weight	8.8 kg
Printing
Print technology	Inkjet
Printing	Colour printing
Duplex printing	Y
Maximum resolution	4800 x 1200 DPI
Duplex printing mode	Auto
Print speed (black, draft quality, A4/US Letter)	35 ppm
Print speed (colour, draft quality, A4/US Letter)	29 ppm
Time to first page (black, normal)	5.8 s
Time to first page (colour, normal)	5.9 s
N-in-1 print function	Y
N-up printing	2, 4, 9, 16
Watermark printing	Y
Booklet printing function	Y
Scanning
Scanning	Colour scanning
Duplex scanning	Y
Optical scanning resolution	1200 x 2400 DPI
Scanner type	Flatbed & ADF scanner
Duplex scanning mode	Manual
Optical scanning resolution (ADF)	1200 x 600 DPI
Maximum scan resolution	19200 x 19200 DPI
Maximum scan area	213.9 x 295 mm
Scan technology	CIS
Scan to	E-mail, FTP, File, Image, Network folder, OCR, PC, USB
Input colour depth	30 bit
Output colour depth	24 bit
Greyscale levels	256
Scan drivers	TWAIN
Copying
Copying	Colour copying
Duplex copying	Y
Maximum copy resolution	1200 x 2400 DPI
Duplex copying mode	Auto
Maximum copy size	A4
Time to first copy (black, normal)	10.5 s
Time to first copy (colour, normal)	13 s
Maximum number of copies	99 copies
Copier resize	25 - 400%
N-in-1 copy function	Y
N-in-1 copy function (N=)	2, 4
Fax
Faxing	Colour faxing
Fax transmission speed	14400 sec/page
Fax memory	180 pages
Fax delayed sending	Y
Power
Power consumption (average operating)	21 W
Power consumption (ready)	3.5 W
Power consumption (sleep)	1.2 W
Power consumption (off)	0.2 W
Operational conditions
Operating relative humidity (H-H)	20 - 80%
Operating temperature (T-T)	10 - 35 °C
Network
Wi-Fi	Y
Ethernet LAN	Y
Ethernet LAN data rates	10,100 Mbit/s
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Near Field Communication (NFC)	Y
Security algorithms	64-bit WEP, 128-bit WEP, EAP-FAST, EAP-TLS, EAP-TTLS, PEAP, SSID, SSL/TLS, WPA-PSK, WPA2-PSK
Supported network protocols (IPv4)	ARP,RARP,BOOTP, DHCP,APIPA(AutoIP),WINS/NetBIOS name resolution, DNS Resolver, mDNS, LLMNR responder, LPR/LPD,CustomRawPort/ Port9100, IPP, SNMPv1/v2c,TFTPserver,ICMP,Web Services(Print/Scan),SNTP Client,HTTPServer
Supported network protocols (IPv6)	NDP,RA,mDNS,LLMNRResponder, DNS Resolver, LPR/LPD,Custom Raw Port/ Port9100,IPP,SNMPv1/v2c,TFTPserver,WebServices (Print/Scan), SNTP Client, ICMPv6,HTTPServer
Embedded web server	Y
IP address filtering	Y
Mobile printing technologies	Apple AirPrint, Brother iPrint & Scan, Mopria Print Service
Paper handling
Maximum ISO A-series paper size	A4
Paper tray media types	Glossy paper, Plain paper, Recycled paper
ISO A-series sizes (A0...A9)	A4, A5, A6
ISO C-series sizes (C0...C9)	C5
Envelopes sizes	C5, Com-10, DL, Monarch
Photo paper sizes	9x13,10x15,13x18
Paper tray media weight	64 - 220 g/m²
Multi-Purpose Tray media weight	64 - 300 g/m²
Auto Document Feeder (ADF) media weight	64 - 90 g/m²
Duplex media weight	64 - 105 g/m²
Packaging data
Package width	495 mm
Package depth	242 mm
Package height	455 mm
Package weight	10.7 kg
Packaging content
Cartridge(s) included	Y
Cables included	AC
Power cord included	Y
Warranty card	Y
Quick installation guide	Y
Other features
Maximum scan area (ADF)	213.9 x 353.6 mm
Design
Product colour	White
Market positioning	Home & office
Built-in display	Y
Display	LCD
Display diagonal	4.57 cm (1.8")
Control type	Buttons
Performance
Internal memory	128 MB
Sound pressure level (printing)	57 dB
Features
Maximum duty cycle	30000 pages per month
Duplex functions	Copy, Print, Scan
Number of print cartridges	4
Printing colours	Black, Cyan, Magenta, Yellow
Recommended duty cycle	250 - 2000 pages per month
Logistics data
Harmonized System (HS) code	84433100
Input & output capacity
Total number of input trays	1
Total input capacity	150 sheets
Total output capacity	100 sheets
Paper tray 1 input capacity	150 sheets
Multi-Purpose tray	Y
Auto document feeder (ADF)	Y
Auto document feeder (ADF) input capacity	20 sheets
Sustainability
Sustainability certificates	Blue Angel