Lexmark MS431dn Mono Single Function Printer


In stock


Specifications for PRLE29S0065

Lexmark MS431dn Mono Single Function Printer

Lexmark MS431dn Mono Single function Printer, 40 ppm, x, 256 MB, Gigabit Ethernet, Duplex, 100-sheet MPF, 250-Sheet Input,



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.

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).


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Product Code


General Specs

Part no.


Print technology

Monochrome Laser

Workgroup size

Small workgroup


2-line (APA) monochrome LCD display

Media sizes supported

A6, Oficio, 7 3/4 Envelope, 9 Envelope, JIS-B5, A4, Legal, A5, Letter, B5 Envelope, Statement, C5 Envelope, Executive, Universal, DL Envelope, Folio, 10 Envelope

Standard paper handling

100-Sheet Multipurpose Feeder, Integrated Duplex, 150-sheet output bin, 250-sheet input

Standard connectivity

Gigabit Ethernet (10/100/1000), USB port (compatible with USB 2.0 specification, type B)

Size (HxWxD)

222 x 368 x 363 mm


9.3 kg

Packaged size (HxWxD)

280 x 410 x 420 mm

Packaged weight

10.52 kg


Print speed

up to:

black: 40 ppm (A4)

Print speed duplex

up to:

black: 18 spm (A4)

Time to first page

as fast as:

black: 5.9 seconds

Print resolution

black: 2400 IQ (2400 x 600 dpi), 600 x 600 dpi



Integrated Duplex

Printable area

5.0 mm of the top, bottom, right and left edges (within)

Paper Handling

Media types supported

Paper Labels, Card Stock, Plain Paper, Envelopes, Refer to the Paper & Specialty Media Guide



Number of paper inputs

standard: 2

maximum: 3

Paper input capacity

standard: 350 pages

maximum: 900 pages

350 pages

Paper output capacity

up to:

standard: 150 pages

maximum: 150 pages

Paper weight range supported

60 - 120 g/m² (standard tray)

60 - 217 g/m² (multipurpose feeder)

Optional paper handling

550-Sheet Tray

Recommended monthly page volume

800 - 8000 pages

Maximum monthly duty cycle

up to:

80000 pages per month

Cartridges & Imaging

Cartridge yields

up to:

3000-page cartridge

15, 000-page High Yield Cartridge

20.000-page black cartridge

Imaging unit yield

up to:

40000 pages, based on average 3 pages per print job and 5% coverage

Cartridge(s) shipped with product

3000-page starter Return Program toner cartridge

Replacement cartridges

Product functions only with replacement cartridges designed for use in a specific geographical region. See www.lexmark.com/regions for more details.


Processor speed

Dual Core, 1.0 GHz


standard: 256 MB

maximum: 256 MB

Hard Disk

Not available

Printer languages


PCL 5c Emulation, PCL 5e Emulation, PCL 6 Emulation, PostScript 3 Emulation, Direct Image

Fonts and symbol sets

2 PCL bitmap fonts, OCR-A, OCR-B scalable PCL 5e fonts, For more information, refer to the Technical Reference., 89 scalable PostScript fonts, 3 of 9 scalable PCL 5e fonts in Narrow, Regular and Wide, 89 scalable PCL fonts

Touch screen display



Direct USB


Ethernet network




Network protocol support

TCP/IP IPv6, IPSEC w/ IPv4, IPSEC w/ IPv6, TCP/IP IPv4, ICMP, TCP, IGMP, UDP, 802.1x

Network printing methods

LPR/LPD, Microsoft Web Services WSD, FTP, TFTP, Enhanced IP (Port 9400), IPP 1.0, 1.1, 2.0 (Internet Printing Protocol)

Network management protocols


Network security

SNMPv3, 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS

Supported Operating Systems

Microsoft Windows operating systems supported

Windows 10, Windows 8.1, Windows 8, Windows 7 x64, Windows 8.1 x64, Windows 7

Apple Operating Systems Supported

Support is provided through AirPrint and AirScan only

Linux operating systems supported

SUSE Linux Enterprise Server 12 SP4, SUSE Linux Enterprise Server 12 SP3, openSUSE Linux 15, SUSE Linux Enterprise Server 15, Debian 9.4, 9.5, 9.6, Debian GNU/Linux 8.11, Ubuntu 16.04, 18.04 LTS, openSUSE Linux 42.3, Red Hat Enterprise Linux WS 6.10, 7.5, 7.6, Fedora 27, 28, 29

Citrix MetaFrame

Microsoft Windows 2000 Server running Terminal Services with Citrix MetaFrame XP Presentation Server or Citrix MetaFrame Presentation Server 3.0., Microsoft Windows Server 2012 with Citrix XenApp 6.0, 6.5, Microsoft Windows 2000 Server running Terminal Services with Citrix MetaFrame Presentation Server 4.0, Microsoft Windows Server 2008 R2 with Citrix XenApp 6.0, 6.5, Microsoft Windows Server 2008 and 2008 X64 Edition with Citrix XenApp 5.0

Novell operating systems supported

Novell Open Enterprise Server 2 (SP3) on SuSE Linux Enterprise Server 10 SP4 (x86 and x64) 3, Novell Open Enterprise Server 11 (SP3) on SuSE Linux Enterprise Server 11 SP4 (x86 and x64), Novell NetWare 6.5 Open Enterprise Server, Novell Open Enterprise Server 15 (SP1) on SuSE Linux Enterprise Server 11 SP4 (x86 and x64), Novell Open Enterprise Server 11 (SP3) on SuSE Linux Enterprise Server 12 SP1 (x86 and x64)

Electrical & Operation

Energy Star


Energy Star Typical Electricity Consumption


0.47 kWh per week

Noise level / Noise Level


14 dBA (idle)

53 dBA (Print)

Duplex print noise level


50 dBA

Average power in Hibernate mode / Average power in Sleep mode / Average power in Ready mode / Average power while printing

0.1 Watt

0.9 Watt

4.9 Watt

570 Watt

Specified operating environment

Humidity: 8 to 80% Relative Humidity

Temperature: 10 to 32 Degrees Celcius

Altitude: 0 - 2896 Meters (9,500 Feet)

Product certifications

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)



Country of origin

US/Canada/LV LAD - Mexico, LA HV, AP & EMEA - PRC

License/Agreement Terms

Printers are sold subject to certain license/agreement conditions. See www.lexmark.com/printerlicense for details.


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