Save paper, save energyAutomatic two-sided printing is standard, along with built-in energy-saving modes that help support ratings of EPEAT® Silver and ENERGY STAR® certified. The Lexmark Cartridge Collection Program (LCCP) and Lexmark Equipment Collection Program (LECP) minimize waste and support recycling (availability varies by country).Output that fitsMeasuring just 8.7 inches high x 14.5 inches wide x 14.3 inches deep (222 mm high x 368 mm wide x 363 mm deep), the business-class MS431dw fits almost anywhere. Its compact size and light weight make it easy to set up and easy to move.Print more, stop lessIn addition to a first page as fast as 5.9 seconds and output up to 42 pages per minute*, available Extra High Yield Unison toner provides up to 20,000 pages** of output. Add an optional paper tray that increases total input capacity up to 900 sheets for more printing and less downtime.Flexible connectivityIn addition to Ethernet and USB, built-in Wi-Fi makes it easy for mobile users to get output via the Lexmark Mobile Print app, as well as Mopria®, AirPrint and Google Cloud Print. And the Lexmark Mobile Assistant app simplifies wireless configuration.Full-spectrum securityLexmark's comprehensive approach to product security is a design and engineering mandate across our entire product portfolio. Our security features help keep your information safe in the document, on the device, over the network, and at all points in between.
Printing | |
Colour: | ![]() |
Print technology: | Laser |
Duplex printing: | ![]() |
Maximum resolution: | 2400 x 600 DPI |
Print speed (black, normal quality, A4/US Letter): | 42 ppm |
Duplex printing mode: | Auto |
Time to first page (black, normal): | 5.9 s |
Features | |
Maximum duty cycle: | 80000 pages per month |
Page description languages: | PCL 5c, PCL 5e, PCL 6, PDF 1.7, PostScript 3 |
Recommended duty cycle: | 800 - 8000 pages per month |
Input & output capacity | |
Total number of input trays: | 2 |
Total input capacity: | 350 sheets |
Total output capacity: | 150 sheets |
Paper tray 1 input capacity: | 250 sheets |
Multi-Purpose tray: | ![]() |
Multi-Purpose tray input capacity: | 100 sheets |
Maximum number of input trays: | 3 |
Maximum input capacity: | 900 sheets |
Maximum output capacity: | 150 sheets |
Paper handling | |
Maximum ISO A-series paper size: | A4 |
Paper tray media types: | Card stock, Envelopes, Labels, Plain paper |
ISO A-series sizes (A0...A9): | A4, A5, A6 |
Non-ISO print media sizes: | Executive, Folio, Legal, Letter, Oficio, Statement, Universal |
JIS B-series sizes (B0...B9): | B5 |
Envelopes sizes: | 7 3/4, 9, 10, B5, C5, DL |
Ports & interfaces | |
Direct printing: | ![]() |
USB port: | ![]() |
USB connector: | USB Type-B |
Network | |
Ethernet LAN: | ![]() |
Cabling technology: | 10/100Base-T(X) |
Ethernet LAN data rates: | 100 Mbit/s |
Performance | |
Internal memory: | 256 MB |
Maximum internal memory: | 256 MB |
Built-in processor: | ![]() |
Sound pressure level (duplex printing): | 50 dB |
Sound power level (printing): | 53 dB |
Design | |
Product colour: | Black, White |
Built-in display: | ![]() |
Display: | LCD |
Colour display: | ![]() |
Power | |
Power consumption (printing): | 570 W |
Power consumption (ready): | 4.9 W |
Energy Star Typical Electricity Consumption (TEC): | 0.47 kWh/week |
System requirements | |
Windows operating systems supported: | ![]() |
Linux operating systems supported: | ![]() |
Operational conditions | |
Operating temperature (T-T): | 10 - 32 °C |
Operating relative humidity (H-H): | 8 - 80% |
Operating altitude: | 0 - 2896 m |
Weight & dimensions | |
Width: | 368 mm |
Depth: | 363 mm |
Height: | 222 mm |
Weight: | 9.3 kg |
Packaging data | |
Package width: | 410 mm |
Package depth: | 420 mm |
Package height: | 280 mm |
Package weight: | 10.5 kg |
Logistics data | |
Harmonized System (HS) code: | 84433210 |