Lexmark · MPN: 29S0912
£315.99
inc. VAT
Spread the cost with Klarna, Clearpay, PayPal, Float or SnapFrom 3 interest-free payments of £105.33 See options

Credit subject to status. 18+, UK residents only. See each provider for terms.

Key specs

  • Maximum resolution600 x 600 DPI
  • Print technologyLaser
  • Printing coloursBlack
  • Weight9.3 kg
All specifications

Out of stock

FREE delivery

Express £9.99

Overview

  • Monochrome Laser
  • Duplex (2-sided) Printing: Integrated Duplex
  • Print Speed: Up to 40 ppm
  • Recommended Monthly Page Volume: 800 - 8,000 Pages

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.

Specifications

Printing

Time to first page (black, normal)5.9 s
Print speed (black, normal quality, A4/US Letter)40 ppm
Maximum resolution600 x 600 DPI
Duplex printing modeAuto
Duplex printingYes
Print technologyLaser
ColourNo

Features

Country of originChina
Bitmap fontsOCR-A, OCR-B
Printer fontsBitmap, PCL, PostScript
Number of print cartridges1
Printing coloursBlack
Recommended duty cycle800 - 8000 pages per month
Maximum duty cycle80000 pages per month
Show all 64 specificationsShow fewer specifications

Input & output capacity

Maximum output capacity150 sheets
Maximum input capacity900 sheets
Multi-Purpose trayYes
Paper tray 1 input capacity350 sheets
Total output capacity150 sheets
Total input capacity350 sheets
Total number of input trays1

Paper handling

Envelopes sizes7 3/4, 9, 10, B5, C5, DL
JIS B-series sizes (B0...B9)B5
ISO A-series sizes (A0...A9)A4, A6
Paper tray media typesCard stock, Envelopes, Plain paper
Maximum ISO A-series paper sizeA4

Ports & interfaces

USB connectorUSB Type-B
USB 2.0 ports quantity1
USB portYes
Direct printingNo

Network

Mobile printing technologiesApple AirPrint
Management protocolsDHCP, BOOTP, RARP, mDNS, IGMP, WINS, DDNS, SNMPv3, SNMPv1, SNMPv2c, Telnet, NTP, ICMP, HTTP, DNS, ARP, HTTPs (SSL/TLS), SMTP, Finger
Security algorithmsLEAP, MD5, MSCHAPv2, SNMPv3, TLS, TTLS
Ethernet LAN data rates10,100,1000 Mbit/s
Ethernet LANYes
Wi-FiNo

Performance

Sound pressure level (duplex printing)50 dB
Sound pressure level (printing)53 dB
Built-in processorYes
Maximum internal memory256 MB
Internal memory256 MB

Design

CertificationENERGY 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)
Colour displayNo
DisplayLCD
Built-in displayYes
Product colourBlack, White

Power

Energy Star Typical Electricity Consumption (TEC)0.47 kWh/week
Power consumption (ready)4.9 W
Power consumption (printing)570 W

System requirements

Other operating systems supportedYes
Linux operating systems supportedYes
Windows operating systems supportedWindows 10, Windows 7, Windows 7 x64, Windows 8, Windows 8.1, Windows 8.1 x64

Operational conditions

Operating altitude0 - 2.896 m
Operating relative humidity (H-H)8 - 80%
Operating temperature (T-T)10 - 32 °C

Sustainability

Sustainability certificatesENERGY STAR

Weight & dimensions

Weight9.3 kg
Height222 mm
Depth363 mm
Width368 mm

Packaging content

Cables includedAC
Included cartridge capacity (black)3000 pages
Cartridge(s) includedYes

Other features

PrintingMono printing

Manuals & downloads

Delivery & returns

Delivery

  • FREE standard delivery on orders over £50, otherwise £4.95 (3–5 working days).
  • Express delivery £9.99 (1–3 working days) on selected products, UK mainland.
  • PlayStation and Arozzi products use a 5–7 working-day service.
  • Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.

Returns

  • Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum £9.99 collection fee applies.
  • Faulty or damaged on arrival? Contact us within 48 hours of delivery.
  • Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.

Full delivery information · Full returns policy