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Brother MFC-J4340DWE reviews
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Compare Brother MFC-J4340DWE reviews, specifications and available UK retailer offers. Check the details for this exact model and follow the original critics’ findings.
Manufacturer codeMFC-J4340DWE
The product, explained
About the Brother MFC-J4340DWE
Brother MFC-J4340DWE is listed in the multifunction printers category. The recorded specifications include print technology: Inkjet; colour printing: Yes; duplex printing: Yes; wi-fi: Yes. This entry covers manufacturer code MFC-J4340DWE. Specifications relate to this exact source record; other editions or packages may differ.
The listed print technology is Inkjet. Compare replacement consumable prices and expected page volumes alongside the purchase price. Features such as duplex printing or a scanner should be confirmed independently in the specification table.
- Print technology
- Inkjet
- Colour printing
- Yes
- Maximum resolution
- 1200 x 4800 DPI
- Duplex printing
- Yes
- Largest ISO paper size
- A4
- Scanning
- Colour scanning
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Before choosing the Brother MFC-J4340DWE
Price exact consumables
Price current replacement ink or toner by exact part number.
Separate duplex functions
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Measure operating footprint
Measure the printer with trays and lid open.
Independent perspectives
Expert reviews 0
Independent ratings, converted to the same five-point scale. Each card links to the original review and identifies the available evidence.
No scored critic reviews have been imported for this exact product yet. It remains unrated.
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8/ 104.00/ 5
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Brother MFC-J4340DWE specifications
Manufacturer code: MFC-J4340DWE · Icecat product 105007080 · Checked 22 Sep 2026. Specifications belong to this exact model.
Key specifications
The main features to compare for this exact model. Missing details are not assumed.
| Print technology | Inkjet |
|---|---|
| Colour printing | Yes |
| Maximum resolution | 1200 x 4800 DPI |
| Duplex printing | Yes |
| Largest ISO paper size | A4 |
| Scanning | Colour scanning |
| Copying | Colour copying |
| Wi-Fi | Yes |
| Ethernet LAN | No |
More product specifications
Open a section for the details that matter to you.
Display3 details
| Built-in display | Yes |
|---|---|
| Display | LCD |
| Screen size | 4.57 cm (1.8") |
Processor, memory & storage3 details
| Memory (RAM) | 128 MB |
|---|---|
| Built-in processor | Yes |
| Processor frequency | 576 MHz |
Printing, scanning & paper46 details
| Duplex printing mode | Auto |
|---|---|
| Printing | Colour printing |
| Print speed (ISO/IEC 24734) mono | 20 ipm |
| Print speed (ISO/IEC 24734) colour | 19 ipm |
| N-in-1 print function | Yes |
| N-up printing | 2, 4, 9, 16 |
| Watermark printing | Yes |
| Booklet printing function | Yes |
| Poster printing function | Yes |
| Duplex copying | Yes |
| Duplex copying mode | Auto |
| Maximum copy resolution | 1200 x 2400 DPI |
| Maximum copy size | A4 |
| Time to first copy (black, normal) | 10.5 s |
| Time to first copy (colour, normal) | 13 s |
| N-in-1 copy function | Yes |
| N-in-1 copy function (N=) | 2, 4 |
| Duplex scanning | Yes |
| Duplex scanning mode | Manual |
| Optical scanning resolution | 1200 x 2400 DPI |
| Maximum scan area | 213.9 x 295 mm |
| Scanner type | Flatbed & ADF scanner |
| Scan technology | CIS |
| Scan to | E-mail, File, Image, OCR |
| Scan drivers | TWAIN, WIA |
| Faxing | Colour faxing |
| Fax transmission speed | 14400 sec/page |
| Fax memory | 180 pages |
| Fax delayed sending | Yes |
| Duplex functions | Copy, Print, Scan |
| Number of print cartridges | 4 |
| Printing colours | Black, Cyan, Magenta, Yellow |
| Total number of input trays | 1 |
| Total output capacity | 100 sheets |
| Paper tray 1 input capacity | 150 sheets |
| Auto document feeder (ADF) | Yes |
| Auto document feeder (ADF) input capacity | 20 sheets |
| Paper tray media types | Glossy paper, Plain paper, Recycled paper |
| Non-ISO print media sizes | Legal, Letter |
| Photo paper sizes | 9x13,10x15,13x18 |
| Paper tray media weight | 64 - 220 g/m² |
| Multi-Purpose Tray media weight | 64 - 300 g/m² |
| Direct printing | Yes |
| Mobile printing technologies | Apple AirPrint, Brother iPrint & Scan, Mopria Print Service |
| Sound pressure level (printing) | 57 dB |
| Cartridge(s) included | Yes |
Connections & wireless5 details
| USB port | Yes |
|---|---|
| USB 2.0 ports quantity | 2 |
| Wi-Fi standards | 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| 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 |
Power & battery5 details
| Power consumption (average operating) | 21 W |
|---|---|
| Power consumption (ready) | 3.5 W |
| Power consumption (standby) | 1.4 W |
| Power consumption (sleep) | 1.1 W |
| Power consumption (off) | 0.2 W |
Controls & features1 detail
| Control type | Buttons |
|---|
Design & dimensions10 details
| Time to first page (colour, normal) | 5.9 s |
|---|---|
| Input colour depth | 30 bit |
| Output colour depth | 24 bit |
| Input greyscale depth | 10 bit |
| Output greyscale depth | 8 bit |
| Product colour | White |
| Width | 435 mm |
| Depth | 360 mm |
| Height | 180 mm |
| Weight | 8.83 kg |
Software & compatibility3 details
| 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 |
Further product details16 details
| Time to first page (black, normal) | 5.8 s |
|---|---|
| Maximum number of copies | 99 copies |
| Copier resize | 25 - 400% |
| Greyscale levels | 256 |
| Recommended duty cycle | 250 - 2000 pages per month |
| Maximum duty cycle | 30000 pages per month |
| Total input capacity | 150 sheets |
| Multi-Purpose tray | Yes |
| ISO A-series sizes (A0...A9) | A4, A5, A6 |
| ISO C-series sizes (C0...C9) | C5 |
| Envelopes sizes | C5, Com-10, DL, Monarch |
| Security algorithms | 64-bit WEP, 128-bit WEP, EAP-FAST, EAP-TLS, EAP-TTLS, PEAP, SSID, SSL/TLS, WPA-PSK, WPA2-PSK |
| Market positioning | Home & office |
| Sustainability certificates | Blue Angel |
| Layers per pallet | 3 pc(s) |
| Spare part retention | 5 year(s) |
Packaging & supplied accessories12 details
| Country of origin | Philippines |
|---|---|
| Package width | 495 mm |
| Package depth | 242 mm |
| Package height | 455 mm |
| Package weight | 10.7 kg |
| Cables included | AC |
| Pallet gross height | 14.8 cm |
| Pallet gross weight | 243.3 kg |
| Master (outer) cases per pallet | 21 pc(s) |
| Products per pallet | 21 pc(s) |
| Master (outer) cases per pallet layer | 7 pc(s) |
| Pallet type | 800 x 1200 mm |
Specifications describe the supplied product data, not measured review results. Battery life, range and performance figures are source claims and can vary with use.
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Your questions, answered
Brother MFC-J4340DWE FAQs
How many expert reviews are available for Brother MFC-J4340DWE?
No scored critic reviews have been imported for this product yet. This means review coverage is missing; it does not mean the product received a poor review.
What is the COR Score for Brother MFC-J4340DWE?
The COR Score is tbd. We publish a combined score only after at least three distinct critics have usable ratings. Any individual reviews already available remain visible.
Which exact version does this page cover?
This page identifies Brother MFC-J4340DWE using manufacturer code MFC-J4340DWE. Check that code, configuration and supplied accessories against the retailer listing. Related-version reviews are labelled separately and do not contribute to this version’s score.
What is the listed print technology for Brother MFC-J4340DWE?
The source specification records print technology as Inkjet. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
What is the listed colour printing for Brother MFC-J4340DWE?
The source specification records colour printing as Yes. This is a specification, not an independent performance measurement. Check the exact model and the original critic reviews for real-world results.
Where can I compare prices for Brother MFC-J4340DWE?
Use the retailer-offer section on this page for available matched offers. If no offer is shown, we do not currently have a verified price. Confirm model, stock, delivery and the final total at the retailer; coverage does not include every seller.
Are cartridge yields guaranteed?
No. They are standardised comparison figures; actual yield depends on coverage, jobs and maintenance.
Is Wi-Fi printing less secure?
It can be safe when the printer and network are kept updated and secured. Use manufacturer setup guidance and protect the network.
Does a scanner mean it has an automatic document feeder?
No. Check the specification for both features.
How should I use the specifications alongside reviews?
Use the recorded features to check compatibility and make a shortlist. Read the original reviews for measured performance, everyday use and the tested configuration.
Understand your options
Printer buying guides
Explore one topic in depth before making your shortlist.
Start with the complete buying guide →Inkjet vs laser printers: choosing by what you printLaser printers are often associated with office documents and inkjets with photos, but current ranges overlap. The better choice depends on what is printed, how often the device sits idle and what each…How to estimate printer running costsCalculate cost for the household’s actual mono, colour and photo pattern, including maintenance and idle use.Printer ADF and duplex scanning features explainedChoose document handling from page volume, paper types and whether originals must be scanned on both sides.Home-office printer or photo printer?Choose around the dominant output, paper handling and scanning rather than expecting one device to excel at every job.