Light, compact and fast, the MS431dn supports output of up to 40 pages per minute, multiple connectivity options and an optional 550-sheet paper tray.
Print more, stop less In addition to a first page as fast as 5.9 seconds and output of up to 40 pages per minute, optional Extra High Yield Unison™ toner provides up to 20,000 pages of output. Add an optional paper tray that increases total input capacity by up to 900 sheets for more printing and less downtime.
Solid performance, flexible connectivity Get your first page as fast as 5.9 seconds, and power through challenging jobs with a 1-GHz dual-core processor and 256 MB of memory. Connect via USB or Ethernet to give your whole team access.
Full-spectrum security Lexmark's comprehensive approach to product security is a design and engineering mandate across our entire product portfolio. Our security features help to keep your information safe - in the document, on the device, over the network and at all points in between.
Hands-off durability With its steel frame and lifetime fuser, the MS431dn is built to last.
Save paper, save energy Automatic two-sided printing is standard, along with built-in energy-saving modes that help to support ratings of EPEAT® Silver and ENERGY STAR® certified. The Lexmark Cartridge Collection Programme (LCCP) and Lexmark Equipment Collection Programme (LECP) minimise waste and support recycling (availability varies by country).
Output that fits Measuring just 222 mm high x 368 mm wide x 366 mm deep, the business-class MS431dn fits almost anywhere. Its compact size and light weight make it easy to set up and easy to move.
ENERGY STAR, ICES-003 Class B, BSMI 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 62301 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55024, UL), EFTA (CE), KCC, CCC, CECP, CEL, C-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, MET-I, ISO 532B, ECMA-370, TED, GOST-R, SII, TER, DE-UZ 205, China Green Product (CGP)
Windows operating systems supported
Windows 10, Windows 7, Windows 7 x64, Windows 8, Windows 8.1, Windows 8.1 x64
Linux operating systems supported
Yes
Other operating systems supported
Yes
Built-in processor
Yes
Maximum internal memory
256 MB
Internal memory
256 MB
Sound pressure level (printing)
53 dB
Sound pressure level (duplex printing)
50 dB
Memory
Maximum internal memory
256 MB
Internal memory
256 MB
Processor
Built-in processor
Yes
Software
Windows operating systems supported
Windows 10, Windows 7, Windows 7 x64, Windows 8, Windows 8.1, Windows 8.1 x64
Linux operating systems supported
Yes
Other operating systems supported
Yes
Printing
Duplex printing mode
Auto
Print technology
Laser
Time to first page (black, normal)
5.9 s
Print speed (black, normal quality, A4/US Letter)
40 ppm
Duplex printing
Yes
Maximum resolution
600 x 600 DPI
Colour
No
Certificates
Certification
ENERGY STAR, ICES-003 Class B, BSMI 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 62301 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55024, UL), EFTA (CE), KCC, CCC, CECP, CEL, C-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, MET-I, ISO 532B, ECMA-370, TED, GOST-R, SII, TER, DE-UZ 205, China Green Product (CGP)
ENERGY STAR, ICES-003 Class B, BSMI 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 62301 Class B, EN 62311, CE EN/IEC 60950-1, CE EN/IEC 60825-1, EN 61000-3, EN 55022 Class B, EuP, EN 55024, UL), EFTA (CE), KCC, CCC, CECP, CEL, C-tick DoC, UL-AR, KC mark, UL GS mark, EC 1275, MET-I, ISO 532B, ECMA-370, TED, GOST-R, SII, TER, DE-UZ 205, China Green Product (CGP)
Technical details
Built-in display
Yes
Display
LCD
Country of origin
China
Product colour
Black, White
Energy Star Typical Electricity Consumption (TEC)
0.47 kWh/week
Cartridge(s) included
Yes
Power consumption (printing)
570 W
Printing
Mono printing
Sustainability certificates
ENERGY STAR
Power
Power consumption (ready)
4.9 W
Energy Star Typical Electricity Consumption (TEC)
0.47 kWh/week
Power consumption (printing)
570 W
System requirements
Windows operating systems supported
Windows 10, Windows 7, Windows 7 x64, Windows 8, Windows 8.1, Windows 8.1 x64