Lexmark MS431dw Monochrome Laser Printer

  • Print Resolution: 2400 x 600 dpi
  • Maximum Print Size: 8.5 x 14"
  • Minimum Print Size: 4.1 x 5.8"
  • Print Speed: 42 ppm
  • First Print Out Speed: 5.9 Seconds
  • Integrated Duplex Printing
  • 250-Sheet Input Tray
  • 100-Sheet Multipurpose Feeder
  • 150-Sheet Output Tray
  • USB, Ethernet & Wi-Fi

Light, compact, and fast, the MS431dw Monochrome Laser Printer from Lexmark features duplex printing and a fast simplex print speed of 42 ppm for letter-size documents. This printer has a maximum 2400 x 600 dpi print resolution for sharp text and documents, and an intuitive two-line LCD display lets you configure, interact, and monitor vital system information. The unit comes with a 250-sheet input tray, a 100-sheet multipurpose feeder, a 150-sheet output tray, and the unit is also compatible with an optional 550-sheet input tray for larger print jobs and busy work environments. Built to be durable and reliable, the MS431dw features steel-frame construction with a recommended monthly page volume of 80,000 pages, and for energy-saving features, the printer is ENERGY STAR certified and rated EPEAT Silver. Mobile printing is offered as well, and wireless printing is provided via the Lexmark Mobile Print app, Google Cloud Print, Apple AirPrint, and Mopria.

  • Two-line display lets you configure, interact with, and monitor vital system information.
  • Full-spectrum security architecture to keep your information safe
  • Confidential Print feature ensures output security via simple PIN
  • Automatic two-sided printing and letter-size print speeds up to 42 ppm
  • 2400 x 600 dpi print resolution for sharp text and documents
  • 250-sheet input tray, 100-sheet multipurpose feeder, and 150-sheet output tray
  • Optional 550-sheet input tray
  • Supports media up to 8.5 x 14"
  • Steel frame for durability
  • Maximum monthly duty cycle of 80,000 pages
  • Mobile printing via Lexmark Mobile Print app, Apple AirPrint, Google Cloud Print, and Mopria
  • EPEAT Silver and ENERGY STAR certified
In stock
SKU#: 29S0100
Functions Print
Printing Technology Laser
Color Type Black
Configuration 1 x Toner
Print Resolution Black: 2400 x 600 dpi
Borderless Printing No
Duplex Printing Yes
Printer Language Adobe PostScript 3 (Emulation), HP PCL 5c, HP PCL 5e, HP PCL 6 (Emulation)
Print Speed (By Time) 42 ppm (Black)
18 ppm (Black Duplex)
First Print Out Time 5.9 Seconds (Black)
Monthly Duty Cycle 80,000 Pages
Printer Media Handling
Paper Handling 1 x Input Tray, Output Tray
Media Sizes Input Tray 1
Minimum: 4.1 x 5.8" / 10.4 x 14.7 cm
Maximum: 8.5 x 14" / 21.6 x 35.6 cm
Media Weight Input Tray 1: 60 to 120 gsm / 16 to 47 lb
Paper Capacity Input Tray 1: 250 x Sheet
Output Tray: 150 x Sheet
Special Media Support Envelopes
Interface RJ45, USB Type-B
Wireless Wi-Fi
Direct Printing Apple AirPrint, Google Cloud Print, Mopria
Processor Speed 1 GHz
Internal Memory 256 MB
Operating System Support Debian, Linux, Windows
OS Compatibility Linux
*As of February, 2021: Check with manufacturer for the most up-to-date compatibility
Operating Temperature 50 to 90°F / 10 to 32°C
Operating Humidity 8 to 80%
Power Consumption 570 W (Maximum)
4.9 W (Ready)
0.9 W (Sleep)
Max Acoustic Noise 53 dBA (Pressure)
14 dBA (Power)
Dimensions (W x H x D) 14.5 x 8.7 x 14.3" / 36.8 x 22.1 x 36.3 cm
Weight 20.6 lb / 9.3 kg
Packaging Info
Package Weight 23.06 lb
Box Dimensions (LxWxH) 16.5 x 16.3 x 10.8"
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