With exceptional performance and secure design, the MS631dw delivers enhanced productivity of up to 47 pages per minute* and a toner yield of up to 31,000 pages**. Fast time to first print, superior print quality and easy-to-use touch screen.
Proprietary technology We own core technology across hardware, firmware, services and solutions, creating seamless connections designed to reduce the risk of security gaps between your document, your device and your network.
Sustainability With certifications in Energy Star®, Blue Angel, RoHS, EPEAT® Silver. Models are sustainable for today and beyond. Lexmark is an industry leader of recycled content with products using at least 39% PCR content and continual focus on improvement. This line is also engineered for Long Life and designed to last and reduce waste.
Secure by design Lexmark expertise helps customers to protect their data, their device and their network. Our security ecosystem is designed to overcome the most complex data challenges. And now we’ve added the Trusted Platform Module (TPM)***, which includes on-board authentication, system integrity checks, and cryptographic capabilities to create a unique digital system fingerprint. TPM meets stringent industry and US government security standards, including Common Criteria and Federal Information Processing Standard (FIPS).
Manageability These IoT-ready devices can be remotely managed and monitored, including setup, configuration, consumables management and diagnostics. Wireless capability gives freedom of access, and remote firmware updates make it easy to upgrade to the latest security features. Our mobile printing app makes it easier to monitor and manage your print jobs from remote locations, all from the touch of your phone.
Ongoing professional product support From easy installation to a lifetime of producing high volumes of pages, you'll find our devices easy to use and intuitive. Instructional and on-product support videos, and simple colour-coded guidance for maintenance tasks like changing toner, make our device experience world-class. For our managed print customers, we offer a step beyond with predictive analytics for fleet diagnostics that can help Lexmark detect and prevent potential problems before they happen.
Intelligent Design Every touch point is designed to withstand high usage whilst meeting accessibility standards. Steel frames support the device and provide durability to help to ensure consistent long-term performance. Products are designed for long service life with long-life components. Servicing is easy with few tools required.
ENERGY STAR, ICES-003 Class B, BSMI Class B, VCCI Class B, US FDA, UL 60950-1, FCC Class B, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62368-1 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55032 Class B, UL), EFTA (CE), KCC, CCC, CECP, CEL, A-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, ISO 532B, ECMA-370, TED, SII, TER
Windows operating systems supported
Windows 10, Windows 11, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 8.1, Windows 98, Windows ME, Windows NT, Windows Vista, Windows Vista x64, Windows XP
Linux operating systems supported
Debian 10, Debian 9.4, Fedora 32, Fedora 33, OpenSUSE 15.2, Red Hat Enterprise Linux 7.9, Red Hat Enterprise Linux 8.3, SuSE Linux 12.0, SuSE Linux 15, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, openSUSE 15.1
Server operating systems supported
Windows 2000 Server, Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022
Other operating systems supported
Novell Open Enterprise Server 11, Novell Open Enterprise Server 2
Built-in processor
Yes
Processor cores
2
Processor frequency
1000 MHz
Maximum internal memory
512 MB
Internal memory
512 MB
Sound pressure level (printing)
56 dB
Sound pressure level (duplex printing)
55 dB
Sound power level (standby)
14 dB
Memory
Maximum internal memory
512 MB
Internal memory
512 MB
Processor
Built-in processor
Yes
Processor cores
2
Processor frequency
1000 MHz
Software
Windows operating systems supported
Windows 10, Windows 11, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 8.1, Windows 98, Windows ME, Windows NT, Windows Vista, Windows Vista x64, Windows XP
Linux operating systems supported
Debian 10, Debian 9.4, Fedora 32, Fedora 33, OpenSUSE 15.2, Red Hat Enterprise Linux 7.9, Red Hat Enterprise Linux 8.3, SuSE Linux 12.0, SuSE Linux 15, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, openSUSE 15.1
Server operating systems supported
Windows 2000 Server, Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022
Other operating systems supported
Novell Open Enterprise Server 11, Novell Open Enterprise Server 2
Printing
Print resolution black
1200 x 1200 DPI
Duplex printing mode
Manual
Print technology
Laser
Time to first page (black, normal)
6 s
Duplex print speed (black, normal quality, A4/US Letter)
24 ppm
Print speed (black, normal quality, A4/US Letter)
47 ppm
Duplex printing
Yes
Maximum resolution
1200 x 1200 DPI
Colour
No
Certificates
Certification
ENERGY STAR, ICES-003 Class B, BSMI Class B, VCCI Class B, US FDA, UL 60950-1, FCC Class B, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62368-1 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55032 Class B, UL), EFTA (CE), KCC, CCC, CECP, CEL, A-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, ISO 532B, ECMA-370, TED, SII, TER
ENERGY STAR, ICES-003 Class B, BSMI Class B, VCCI Class B, US FDA, UL 60950-1, FCC Class B, cUL CAN/CSA-C22.2 60950-1, NOM, CB EN/IEC 60950-1, CB EN/IEC 60825-1, CE DoC (EN 62368-1 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55032 Class B, UL), EFTA (CE), KCC, CCC, CECP, CEL, A-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, ISO 532B, ECMA-370, TED, SII, TER
Control type
Touch
Market positioning
Business
Technical details
Built-in display
Yes
Display diagonal
7.11 cm (2.8")
Product colour
Black, White
Cabling technology
10/100/1000Base-T(X)
Energy Star Typical Electricity Consumption (TEC)
0.6 kWh/week
Cartridge(s) included
Yes
Power consumption (printing)
657 W
Sustainability compliance
Yes
Sustainability certificates
ENERGY STAR
Power
Power consumption (ready)
7.1 W
Power consumption (standby)
0.1 W
Power consumption (off)
0.9 W
Energy Star Typical Electricity Consumption (TEC)
0.6 kWh/week
Power consumption (printing)
657 W
System requirements
Windows operating systems supported
Windows 10, Windows 11, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 8.1, Windows 98, Windows ME, Windows NT, Windows Vista, Windows Vista x64, Windows XP
Linux operating systems supported
Debian 10, Debian 9.4, Fedora 32, Fedora 33, OpenSUSE 15.2, Red Hat Enterprise Linux 7.9, Red Hat Enterprise Linux 8.3, SuSE Linux 12.0, SuSE Linux 15, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, openSUSE 15.1
Server operating systems supported
Windows 2000 Server, Windows Server 2003, Windows Server 2003 x64, Windows Server 2008, Windows Server 2008 R2, Windows Server 2008 x64, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows Server 2022
Other operating systems supported
Novell Open Enterprise Server 11, Novell Open Enterprise Server 2