Specifications
General Specifications
Printer Type | Inkjet | ||
Print Head | Mono | Piezo with 420 nozzles x 1 | |
Colour | Piezo with 420 nozzles x 3 | ||
Memory Capacity |
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LCD (liquid crystal display) *1 |
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Power Source | AC 220 to 240 V 50/60 Hz | ||
Power Consumption *2
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Dimensions |
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Weights |
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Noise Level | Sound Pressure *6 | Operating |
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Sound Power *7 | Printing *8 |
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Temperature | Operating | 10 to 35°C | |
Best Print Quality | 20 to 33°C | ||
Humidity | Operating | 20 to 80% (without condensation) | |
Best Print Quality | 20 to 80% (without condensation) | ||
Automatic Document Feeder (ADF) | Up to 50 pages Paper: 80 g/m² | ||
Print speed:
MFC-J3540DW/MFC-J3940DW/MFC-J6540DW/MFC-J6940DW
28 ipm (Mono) / 28 ipm (Colour)MFC-J6955DW/MFC-J6957DW
30 ipm (Mono) / 30 ipm (Colour)
These print speeds were measured in accordance with ISO/IEC 24734.
Document Size Specifications
Document Size | ADF Width | 105 to 297 mm |
ADF Length *1 | 148 to 431.8 mm | |
Scanner Glass Width | Max. 297 mm | |
Scanner Glass Length | Max. 431.8 mm |
Print Media Specifications
Paper Input | Paper Tray #1 | Paper Type *1 | Plain Paper, Inkjet Paper (coated paper), Glossy Paper, Recycled Paper |
Paper Size | (Landscape) A4, Letter, Executive (Portrait) A3, Ledger, Legal, Mexico Legal, India Legal, Folio, A5, A6, Envelopes (C5, Com-10, DL, Monarch), Photo (10 x 15 cm), Photo L (9 x 13 cm), Photo 2L (13 x 18 cm), Index card (13 x 20 cm) |
Maximum Paper Capacity | Up to 250 sheets of 80 g/m² plain paper |
Paper Tray #2 (MFC-J3940DW/MFC-J6940DW/MFC-J6955DW/MFC-J6957DW) | Paper Type | Plain Paper, Recycled Paper |
Paper Size | (Landscape) A4, Letter (Portrait) A3, Ledger, Legal, Mexico Legal, India Legal, Folio |
Maximum Paper Capacity | Up to 250 sheets of 80 g/m² plain paper |
Paper Tray #3 (MFC-J6957DW) | Paper Type | Plain Paper, Recycled Paper |
Paper Size (MFC-J6957DW) | (Landscape) A4, Letter (Portrait) A3, Ledger, Legal, Mexico Legal, India Legal, Folio |
Maximum Paper Capacity (MFC-J6957DW) | Up to 250 sheets of 80 g/m² plain paper |
Multi-purpose tray (MP tray) *2 (MFC-J3940DW/MFC-J6940DW/MFC-J6955DW/MFC-J6957DW) | Paper Type *1 | Plain Paper, Inkjet Paper (coated paper), Glossy Paper, Recycled Paper |
Paper Size / Maximum Paper Capacity | (Landscape) A4, Letter, Executive (Portrait) A3, Ledger, Legal, Mexico Legal, India Legal, Folio, A5, A6, Envelopes (C5, Com-10, DL, Monarch), Photo (10 x 15 cm), Photo L (9 x 13 cm), Photo 2L (13 x 18 cm), Index card (13 x 20 cm) | Up to 100 sheets of 80 g/m² Plain Paper |
Long Paper (Width: 88.9 - 297 mm / Height: 431.9 - 1200 mm) | Up to 1 sheet |
Manual Feed Slot (MFC-J3540DW/MFC-J6540DW) | Paper Type *1 | Plain Paper, Inkjet Paper (coated paper), Glossy Paper, Recycled Paper |
Paper Size | (Landscape) A4, Letter, Executive (Portrait) A3, Ledger, Legal, Mexico Legal, India Legal, Folio, A5, A6, Envelopes (C5, Com-10, DL, Monarch), Photo (10 x 15 cm), Photo L (9 x 13 cm), Photo 2L (13 x 18 cm), Index card (13 x 20 cm) |
Maximum Paper Capacity | Up to 1 sheet |
Paper Output *1 |
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Fax Specifications
Compatibility |
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Modem Speed |
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Scanning Width (Single-sided document) | 288 mm (A3) |
Scanning Width and Length (2-sided document) (MFC-J3940DW/MFC-J6940DW/MFC-J6955DW/MFC-J6957DW) | Width: 288 mm (A3) (ADF) Length: 425.8 mm (ADF) |
Printing Width | 291 mm (A3) |
Greyscale | Monochrome: 8 bit (256 levels) Colour: 24 bit (8 bit per colour/ 256 levels) |
Resolution (Horizontal) | 203 dpi |
Resolution (Vertical) | Standard: 98 dpi (Mono) 196 dpi (Colour) |
Fine: 196 dpi (Mono) 196 dpi (Colour) | |
Superfine: 392 dpi (Mono) | |
Photo: 196 dpi (Mono) | |
Address Book | 100 names x 2 numbers or Email addresses |
Groups | Up to 6 |
Broadcasting | 250 (200 Address Book/50 Manual Dial) |
Automatic Redial | 3 times at 5 minute intervals |
Memory Transmission | Up to 150 pages *1 |
Out of Paper Reception | Up to 150 pages *1 |
Copy Specifications
Colour/Monochrome | Yes/Yes | |
Copy Width | 291 mm *1 | |
Multiple Copies | Stacks/Sorts up to 999 pages | |
Enlarge/Reduce | 25% to 400% (in increments of 1%) | |
Resolution | Prints up to 1200 × 4800 dpi | |
Automatic 2-sided (MFC-J3940DW/MFC-J6940DW/MFC-J6955DW/MFC-J6957DW) | Paper Type | Plain Paper, Recycled Paper |
Paper Size | A3, Ledger, Legal, Mexico Legal, India Legal, Folio, A4, A5, Letter |
USB Flash Drive Specifications
Compatible Media | USB Flash drive *1 | |
JPEG Print | Resolution | Up to 1200 x 4800 dpi |
Paper Type | Plain Paper, Inkjet Paper (coated paper), Glossy Paper, Recycled Paper | |
Paper Size | A4, Letter, A3, Ledger, Photo (10 x 15 cm), Photo 2L (13 x 18 cm) | |
File Format | JPEG (Progressive JPEG format is not supported) | |
PDF Print (MFC-J6955DW/MFC-J6957DW) | Resolution | Up to 1200 x 1800 dpi |
Paper Type | Plain Paper, Recycled Paper | |
Paper Size | A4, Letter, A3, Ledger, Legal, Mexico Legal, India Legal, Folio, A5, A6 | |
File Format | PDF version1.7 | |
Scan to Media | File Format | JPEG, PDF (Colour, Grey) TIFF, PDF (Monochrome) |
Scanner Specifications
Colour/Monochrome | Yes/Yes |
TWAIN Compliant | Yes (Windows 7 SP1 / Windows 8.1 / Windows 10) |
WIA Compliant | Yes (Windows 7 SP1 / Windows 8.1 / Windows 10) |
Colour Depth | 48 bit colour processing (Input) 24 bit colour processing (Output) |
Greyscale | 16 bit colour processing (Input) 8 bit colour processing (Output) |
Resolution | Up to 19200 × 19200 dpi (interpolated) *1 Up to 1200 × 2400 dpi (optical) (from Scanner Glass) Up to 600 × 600 dpi (optical) (from ADF) |
Scanning Width and Length (Single-sided document) | (Scanner Glass) Width: Up to 295 mm Length: Up to 429.8 mm (ADF) Width: Up to 295 mm Length: Up to 429.8 mm |
Scanning Width and Length (2-sided document) (MFC-J3940DW/MFC-J6940DW/MFC-J6955DW/MFC-J6957DW) | Width: Up to 295 mm (ADF) Length: Up to 429.8 mm (ADF) |
Printer Specifications
Emulation (MFC-J6955DW/MFC-J6957DW) | PCL6, BR-Script3, PDF version1.7, XPS version 1.0 | |
Resolution | Up to 1200 × 4800 dpi | |
Printing Width *1 | 291 mm Borderless *2: 297 mm | |
Borderless | A4, Letter, A3, Ledger, A6, Photo (10 x 15 cm), Photo L (9 x 13 cm), Photo 2L (13 x 18 cm), Index card (13 x 20 cm) | |
Automatic 2-sided | Paper Type | Plain Paper, Recycled Paper |
Paper Size | A3, Ledger, Legal, Mexico Legal, India Legal, Folio, A4, A5, Letter, Executive | |
Print Speed | See your model's page on your local Brother website. |
Interface Specifications
Use a USB 2.0 interface cable that is no longer than 5 m. | |
LAN | Use an Ethernet UTP cable category 5 or greater. |
Wireless LAN | IEEE 802.11a/b/g/n (Infrastructure) IEEE 802.11a/g/n (Wi-Fi Direct) |
NFC (MFC-J3940DW/MFC-J6940DW/MFC-J6955DW/MFC-J6957DW) | Yes |
Network Specifications
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You can connect your machine to a network for Network Printing, Network Scanning, PC-Fax Send, and PC-Fax Receive (Windows only).
Network Security (Wired) | APOP, SMTP-AUTH, SSL/TLS (IPPS, HTTPS, FTPS, SMTP, POP3, IMAP4), SNMP v3, 802.1x (EAP-MD5, EAP-FAST, PEAP, EAP-TLS, EAP-TTLS), Kerberos, IPsec |
Network Security (Wireless) | APOP, SMTP-AUTH, SSL/TLS (IPPS, HTTPS, FTPS, SMTP, POP3, IMAP4), SNMP v3, 802.1x (EAP-FAST, PEAP, EAP-TLS, EAP-TTLS), Kerberos, IPsec |
Wireless Network Security *1 | WEP 64/128 bit, WPA-PSK (TKIP/AES), WPA2-PSK (TKIP/AES), WPA3-SAE (AES) |
Wireless Setup Support Utility | WPS | Yes |
Computer Requirements Specifications
Supported Operating Systems And Software Functions
Computer Platform & Operating System Version | PC Interface | Processor | Hard Disk Space to Install *1 | |||
USB *2 | Wired LAN | WLAN (Wi-Fi) | For Drivers | For Applications (Including Drivers) | ||
Windows Operating System | Printing PC Fax *6 Scanning | 32 bit (x86) or 64 bit (x64) processor | 650 MB | 1.3 GB | ||
Windows Server 2008 *5 | Printing Scanning | Printing | 50 MB | N/A | ||
Windows Server 2008 R2 *5 Windows Server 2012 Windows Server 2012 R2 Windows Server 2016 Windows Server 2019 | 64 bit (x64) processor | |||||
Mac Operating System *7 | macOS v10.14.6 macOS v10.15.x macOS v11 | Printing Scanning | 64 bit (x64) processor | N/A | 550 MB |
Mac OS Disclaimer
AirPrint capable: Printing or scanning via macOS requires the use of AirPrint. Mac drivers are not provided for this machine.
For the latest driver updates, go to your model's Downloads page at support.brother.com.
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