| Pre-Consumer Recycled Content Percent | 0% | 
| Post-Consumer Recycled Content Percent | 0% | 
| Total Recycled Content Percent | 0% | 
| Network Types | 10/100/1000Base-TX Ethernet | 
| Height | 11" | 
| Width | 16.11" | 
| Depth | 16.5" | 
| Maximum Memory | 256 MB | 
| Standard Memory | 256 MB | 
| Maximum Print Speed (Black) | 42 ppm | 
| First Page Out | 5.9 s | 
| Paper Input Capacity (Sheets) | 550 | 
| Print Resolution (Black) (Width x Height) | 600 x 600 dpi | 
| Maximum Paper Size | 8.5 x 14 | 
| Monthly Duty Cycle (Pages) | 80,000 | 
| Duplex Printing | Automatic | 
| B&W or Color Output | B&W | 
| Emulations | Direct Image; PCL 5c; PCL 5e; PCL 6; PDF 1.7; PPDS; PostScript 3 | 
| Connector/Port/Interface | Ethernet; USB; Wi-Fi | 
| Model Name/Number | MS431dn | 
| Paper Feeder Type | Multipurpose Tray | 
| Wireless Printing | No | 
| Borderless Printing | No | 
| Operating System Compatibility | Windows® 2000, Server 2003, XP, Vista | 
| Network Ready | Yes | 
| Network Capable | Yes | 
| Compliance Standards | Energy Star Rated; EPEAT® Silver; ICES-003 Class B; BSMI Class B; US FDA; UL 60950-1; FCC Class B; cUL CAN/CSA-C22.2 60950-1; NOM; CB EN/IEC 60950-1; CB EN/IEC 60825-1; CE DoC (EN 62301 Class B; EN 62311; CE EN/IEC 60950-1; CE EN/IEC 60825-1; EN 61000-3; EN 55022 Class B; EuP; EN 55024; UL); EFTA (CE); KCC; CCC; CECP; CEL; C-tick DoC; UL-AR; KC mark; UL GS mark; EC 1275; MET-I; ISO 532B; ECMA-370; TED; GOST-R; SII; TER; DE-UZ 205; China Green Product (CGP) | 
| Package Includes | Power Cord(s); Setup Guide; Software and Documentation CD; Return Program Imaging Unit up to 40,000 Pages; Return Program Toner Cartridge up to 3,000 Pages; Stability Sheet; Safety Sheet; Statement of Limited Warranty/Guarantee | 
| Global Product Type | Laser Printers | 
| Printing Type | Laser | 
| LCD Display (Yes/No) | Yes | 
| Processor Speed | 1 GHz | 
| Product Biodegradability Indicator | N | 
| Product Compostability Indicator | N | 
| Product Biodegradability in Days | 0 |