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

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- 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 |