| Product Type | Monochrome Multifunction Laser Printer |
| Model | Lexmark MX431adn |
| Form Factor | Desktop |
| Functions | Print, Copy, Scan, Fax |
| Print Technology | Monochrome Laser |
| Processor | Dual-Core 1.0 GHz |
| Memory (RAM) | 512 MB (installed/max) |
| Print Speed (Black) | Up to 42 ppm |
| First Page Out (Black) | 5.9 seconds |
| Maximum Monthly Duty Cycle | 50,000 pages |
| Recommended Monthly Page Volume | 500 - 5000 pages |
| Duplex Printing | Automatic |
| Display | 2.8-inch color touchscreen |
| Sound Emission | 50 dBA (printing) |
| Power Consumption (Operating) | 530 Watts |
| Power Consumption (Sleep Mode) | 0.8 Watts |
| Power Supply Type | Internal Power Supply |
Lexmark MX431adn Monochrome Multifunction Laser Printer, 42PPM, USB/Ethernet

Key Benefits
Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- High-speed performance with a 42 ppm print rate supports busy office environments.
- Extensive OS compatibility and TAA compliance make it well-suited for diverse business and government settings.
- Energy Star certification and low power consumption reduce operating costs over time.
Product Overview
Lexmark MX431adn - Monochrome Laser - Duplex (2-sided) Printing: Integrated Duplex - Print Speed: Up to 42 ppm - Recommended Monthly Page Volume: 800 - 8000 pages - 1-Year Advanced Exchange, Next Business DaySpecifications
Product Overview
Physical & Environmental
| Width | 16.2 inches |
| Depth | 14.4 inches |
| Height | 13.3 inches |
| Minimum Operating Temperature | 10°C |
| Maximum Operating Temperature | 32°C |
| Operating Humidity Range | 8% - 80% RH |
Cloud Management & Licensing
| Operating System Support | Windows, Mac OS, Debian, Ubuntu, Red Hat, SUSE Linux, Fedora |
Paper Handling
| Standard Input Capacity | 350 sheets |
| Maximum Input Capacity | 900 sheets |
| Standard Output Capacity | 150 sheets |
| Maximum Output Capacity | 150 sheets |
| ADF Capacity | 50 sheets |
| Input Trays Installed | 550-sheet tray |
| Media Types Supported | Paper, Labels, Card Stock, Envelopes |
| Supported Media Sizes | A4, A5, A6, JIS-B5, Legal, Letter, Executive, Statement, Oficio, Folio, Universal, Env DL, 7 3/4 Envelope, 9 Envelope, 10 Envelope |
Interfaces
| Standard Interfaces | USB 2.0, Ethernet 10/100Base-TX |
| Network Protocols | TCP/IP IPv4, TCP/IP IPv6, IPSEC, ICMP, TCP, UDP, IGMP |
| Printer Languages | PCL 5e, PCL 5c, PCL 6, PostScript 3, Direct Image |
| AirPrint Support | Yes |
| Fonts Included | 89 scalable PostScript, 89 scalable PCL, 2 PCL bitmap, 3 of 9 scalable PCL 5e fonts |
Compliance & Origin
| Energy Star Certified | Yes |
| Country of Origin | United States |
| TAA Compliant | Yes |
Advanced Security Features
| Security Protocols | SNMPv3, 802.1x Authentication (MD5, MSCHAPv2, LEAP, PEAP, TLS, TTLS) |
Copy, Scan & Fax Features
| Copy Speed (Black) | Up to 42 cpm |
| First Copy Out Time | 5.9 seconds |
| Copy Zoom Range | 25% to 400% |
| Scanner Type | Flatbed with ADF |
| Scan Technology | CIS |
| Optical Scan Resolution | 600 x 600 dpi |
| Max Scan Area | 8.5 x 14 inches |
| Fax Modem Speed | 33.6 Kbps |
| Fax Transmission Speed | 3 seconds per page |