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Lexmark CS431dw

Lexmark CS431dw A4 Colour Printer
Single Function Print

The compact, lightweight Lexmark CS431dw A4 colour printer is built for reliability, performance, and security. It prints up to 24.7 ppm and offers expandable input for longer print runs. Take control with a 2.8-inch [7.2-cm] touchscreen and connect via Wi-Fi, USB, Ethernet, or the cloud.

Lexmark Printers

Colour you can count on

Get rich, high quality, vibrant colour in seconds with Lexmark’s CS431dw A4 colour printer. Easy-to-change extra high yield replacement cartridges provide more printing and less downtime.

Interact with ease

The Lexmark CS431dw A4 colour printer has a 7.2 cm colour touchscreen, which enables convenient interaction with essential system functions and task information, whilst built-in cloud connectors let you securely access files from popular cloud services including Box, DropBox, Google Drive and Microsoft OneDrive.

Save paper, save energy

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

Classic connections, wireless convenience

In addition to Gigabit Ethernet and USB connectivity, the Lexmark CS431dw features dual-band Wi-Fi making it fast and easy for mobile users to get output via the Lexmark Mobile Print app, as well as Google Cloud Print, Mopria® and AirPrint technologies. The Lexmark Mobile Assistant app simplifies wireless configuration.

Compact and durable

Compact and lightweight, the Lexmark CS431dw fits almost anywhere. Its steel frame and long-life imaging components mean that it’s also built to last, whether you use it in your office or on the factory floor.

Full-spectrum security

Lexmark’s comprehensive approach to product security is a design and engineering mandate across our entire product portfolio. Lexmark standard security features help to keep your information safe – in the document, on the device, over the network and at all points in between.


Lexmark CS431dw classic-connections-wireless-convenience

General Specifications
  • Print Technology: Colour Laser
  • Display: 7.2 cm (2.8-inch) LCD touch panel
  • Media Sizes Supported: A6, Oficio, 7 3/4 Envelope, 9 Envelope, JIS-B5, A4, Legal, A5, Hagaki Card, Letter, B5 Envelope, Statement, C5 Envelope, Executive, Universal, DL Envelope, Folio, 10 Envelope
  • Included Paper Handling: 100-Sheet Output Bin, Integrated Duplex, Single-Sheet Manual Feed, 250-Sheet Input
  • Standard Ports: 802.11ac Wireless, USB 2.0 Specification Hi-Speed Certified (Type B), Ethernet 10/100/1000 BaseTX (RJ-45)
  • Size (mm – H x W x D): 243.7 x 411.2 x 394.1 mm
  • Weight: 16.1 kg
  • Print Speed up to: 24.7 ppm1 (A4)
  • Print Speed Duplex up to: 13 spm1 (A4)
  • Time to First Page as fast as: Black 10.9 seconds / Colour 11 seconds
  • Print Resolution: 4800 Colour Quality
  • Duplex: Integrated
  • Printable Area: metric: 4.2 mm of the top, bottom, right and left edges (within)
Paper Handling
  • Media Types Supported: Paper Labels, Card Stock, Plain Paper, Envelopes, Glossy paper, Refer to the Paper & Speciality Media Guide
  • Finishing Options: No
  • Number of Paper Inputs: Standard 2 / Maximum 4
  • Paper Input Capacity: Standard 250+1 pages 75 gsm bond / Maximum 750+1 pages 75 gsm bond
  • Paper Output Capacity up to: 100 pages 75 gsm bond
  • Paper Weight Range Supported: 60 – 176 gsm (Standard Tray)
  • Optional Paper Handling: 250-Sheet Tray
  • Processor Speed: Dual Core, 1.0 GHz
  • Memory: 512 MB
  • Hard Disk: N/A
  • Printer Languages: PCL 5, PCLm, PCL 6 Emulation, PostScript 3 Emulation
  • Fonts and Symbol Sets: 2 PCL bitmap fonts, OCR-A, OCR-B scalable PCL 5e fonts, For more information, refer to the Technical Reference., 91 scalable PostScript fonts, Code 3 of 9 barcode fonts, 89 scalable PCL fonts
  • Touch Screen Display: 7.2-cm touchscreen
  • Direct USB: No
  • Ethernet Network: Yes
  • Wireless: Yes
  • Network Protocol Support: TCP/IP IPv6, IPSEC w/ IPv4, IPSEC w/ IPv6, TCP/IP IPv4, ICMP, TCP, IGMP, UDP
  • Network Printing Methods: LPR/LPD, Direct IP (Port 9100), Microsoft Web Services WSD, FTP, TFTP, Enhanced IP (Port 9400), IPP 1.0, 1.1, 2.0 (Internet Printing Protocol)
  • Network Management Protocols: DHCP, APIPA (AutoIP), BOOTP, RARP, mDNS, IGMP, WINS, DDNS, SNMPv3, SNMPv1, SNMPv2c, NTP, ICMP, HTTP, DNS, ARP, HTTPs (SSL5/TLS), SMTP, Finger
  • Network Security: IPSec (Transport only), IPSec, SSL* Enabled Embedded Web Server (HTTPS), SNMPv3, Certificate Management, 802.1x Authentication: MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS, TCP/IP port access control

Lexmark CS431dw 2020 BLI award

Lexmark CS431dw top

Energy Star

Lexmark CS431dw with optional tray

Lexmark-CS431dw with optional tray