Lexmark MS431dn – printer – B/W – laser


Light, compact, and fast, the MS431dn supports output up to 40 pages per minute*, multiple connectivity options, and an optional 550-sheet paper tray.

12 in stock



Output that fits

Measuring just 8.7 inches high x 14.5 inches wide x 14.3 inches deep, the business-class MS431dn fits almost anywhere. Its compact size and light weight make it easy to set up and easy to move.

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 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.

Print more, stop less

In addition to a first page as fast as 5.9 seconds and output up to 40 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.

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.

Save paper, save energy

Automatic two-sided printing is standard, along with built-in energy-saving modes that help support ratings of EPEAT® Silver and ENERGY STAR® certified.

 In the Box

  • Statement of limited warranty/guarantee
  • Power cord(s)
  • Stability sheet and safety sheet or booklet
  • Up to 3,000 pages* starter return program toner cartridge
  • Lexmark MS431dn laser printer
  • Up to 40,000 pages** return program imaging unit
  • Setup guide or sheet (network and local attachment)
  • Software and documentation CD


Printer Type Workgroup printer – laser – monochrome
Bundled Services 1 year Advanced Exchange Service


Print Speed Up to 42 ppm – B/W (ISO/IEC 24734) – Letter A Size (8.5 in x 11 in) …
Built-in Devices Status LCD
Connectivity Technology Wired
Interface USB, Gigabit LAN
Max Resolution (B&W) 600 x 600 dpi
Image Enhancement Tech 2400 IQ
Automatic Duplexing Yes
PostScript Support Standard
First Print Out Time B/W 5.9 sec
Language Simulation PCL 5E, PCL 5C, PostScript 3, PCL 6, PDF 1.7
Fonts Included 158 x scalable PostScript, 2 x bitmapped PCL, 89 x scalable PCL, 39 x scalable PPDS, 5 x bitmapped PPDS
Barcodes OCR-A, OCR-B
Media Handling 100-sheet multipurpose tray, 250-sheet input tray


Processor 1 GHz


RAM Installed (Max) 256 MB / 256 MB (max)

Media Handling:

Media Type Envelopes, labels, plain paper, card stock
Media Size Class A4/Legal
Max Media Size Legal (8.5 in x 14 in), A4 (8.25 in x 11.7 in)
Media Sizes Letter A Size (8.5 in x 11 in), Legal (8.5 in x 14 in), Executive (7.25 in x 10.5 in), …
Envelope Sizes US No 10 (4.1 in x 9.5 in), International DL (4.33 in x 8.66 in), …
Media Weight (lbs) 16 lbs – 58 lbs
Total Media Capacity 350 sheets
Media Feeders Input tray: 1 x automatic – 250 sheets – (16 lbs (min) – 32 lbs (max)) …
Max Media Capacity 900 sheets
Output Trays Capacity 150 sheets

Duty Cycle:

Monthly Duty Cycle (max) 80000 pages
Recommended Monthly Volume 800 – 8000 pages


Networking Print server
Remote Management Protocol SNMP 1, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, IPP 1.0, IPP 1.1, IPP 2.0
Security Protocols & Features SSL, LEAP, TLS, 802.1x, TTLS, PEAP, MD5, EAP-MSCHAPv2

Expansion / Connectivity:

Connections 1 x USB – 4 pin USB Type B, 1 x Gigabit LAN – RJ-45


Consumables Included 1 x toner cartridge (black) – up to 3000 pages ISO/IEC 19752, 1 x imaging unit – up to 40000 pages
Compliant Standards FCC Class B certified, UL, C-Tick, cUL, GS, NOM, ICES-003 Class B, CCC, …


Power Device Power supply
Power Consumption Operational 550 Watt
Power Consumption Stand by 5.5 Watt
Power Consumption Sleep 0.9 Watt

Software / System Requirements:

OS Required Microsoft Windows 2000 Server, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2008, …

Environmental Standards:

EPEAT Compliant EPEAT Silver

Manufacturer Warranty:

Service & Support Limited warranty – 1 year – response time: next business day

Environmental Parameters:

Min Operating Temperature 50 °F
Max Operating Temperature 89.6 °F
Humidity Range Operating 8 – 80%
Sound Emission (Idle) 14 dBA
Sound Emission (Operating) 53 dBA

Dimensions & Weight:

Width 14.5 in
Depth 14.3 in
Height 8.7 in
Weight 20.5 lbs

Dimensions & Weight (Shipping):

Width (Shipping) 16.1 in
Depth (Shipping) 16.5 in
Height (Shipping) 11 in
Weight (Shipping) 23.19 lbs