High-Speed Wireless Duplex Business Printer for Small to Medium Office Productivity

The Lexmark MS431dw is a fast and efficient A4 mono laser printer built for modern business environments that need speed, reliability, and wireless flexibility.

Designed for small to medium offices, it delivers sharp black and white documents at high speeds, making it ideal for busy workflows and daily business printing.

With built-in WiFi connectivity and automatic duplex printing, this printer makes it easy to print from multiple devices while reducing paper usage. Its compact design ensures it fits neatly into office spaces without compromising performance.

Key Features

• High-speed mono laser printing for business efficiency
• Built-in wireless (WiFi) connectivity
• Automatic duplex (double-sided) printing
• Compact design suitable for office environments
• Sharp, professional black & white output
• Network-ready for shared business use
• Reliable performance for daily workloads

Built for Modern Business Use

Perfect for everyday office printing such as:

• invoices and billing
• business reports
• contracts and forms
• admin and internal documents

A strong business laser printer choice for teams that need speed and wireless convenience.

Print Quality & Efficiency

• Crisp monochrome text output
• Consistent professional document quality
• High-speed performance for busy offices
• Efficient toner usage for lower running costs

Compact & Connected Design

• Space-saving desktop footprint
• Easy wireless setup and printing
• Ideal for shared office environments
• Quiet operation suitable for workplaces

Key Features:

• A4 mono laser printer - print only
• Print speed - up to 40 ppm (black)
• Automatic duplex (double-sided) printing
• Print resolution - up to 1200 x 1200 dpi
• Standard 250-sheet input tray (expandable with optional trays)
• Built-in Wi-Fi, Ethernet, USB & mobile printing (AirPrint, Mopria, Lexmark Mobile Print)
• Enterprise-class security features to protect sensitive data
• Compact, energy-efficient design for small offices
• Durable, reliable construction for long-term daily business use

Please contact us for a quote on same-day delivery.

Normal delivery times are outlined below:

Metro: 1-4 business days

Regional: 1-6 business days

If you are unavailable at the time of delivery re-delivery fees may apply.

All of our products come with a minimum 12 month warranty. All return requests for change of mind purchases must be pre-approved by Deltone Solutions and requested within 30 days of purchase. The items must be in unopened/sealed condition and images will be requested to confirm condition before approval can be decided