Make printing quick and simple with the Lexmark MS431dn Monochrome Laser Printer. A 1.0GHz processor and 256MB of memory let you power through print projects, and the robust paper tray and ink capacities minimize refills so that you can spend more time moving business forward. Thanks to security technology, this Lexmark laser printer can keep sensitive documents safe.

• Gigabit Ethernet port lets you connect to your network. Works with Google™ Cloud print and Apple AirPrint (Mopria certified).
• Prints up to 40 pages per minute (ppm) in black with the first page out in as little as 5.9 seconds.
• Resolution reaches up to 600 x 600 dpi.
• Full-spectrum security architecture helps keep your information private. Standard Confidential Print feature provides security via PIN.
• Accepts high-yield Unison toner for more pages per cartridge and less downtime. Starter cartridge is included.
• Compatible with a wide variety of media. Prints on envelopes, labels, card stock and plain paper.
• Automatic 2-sided printing saves paper and money.
• 250-sheet paper tray and a 100-sheet multipurpose feeder let you tackle complex print jobs. Accepts an optional 550-sheet paper tray (sold separately).

Manufacturer #	55B1H00
Automatic Document Feeder	Yes
Brand Name	Lexmark
Color	Black
Compatible Toner/ink	Lexmark 55B1000; 55B1H00; 55B1X00; 55B0XA0 toner
Double-sided Printing	Yes
Duplex Printing	Automatic
Ink/toner Cartridge(s) Included	Starter-Capacity Cartridge(s)
Manufacturer	LEXMARK INTERNATIONAL, INC.
Maximum Print Resolution	600 dpi
Maximum Print Speed (monochrome)	40 pages/min
Photo Printing	No
Portable	No
Print Color	Black & White
Print Technology	Laser
Printer Series	MS Series
Printer Use	Small Business
Product Series	MS431x
Recommended Monthly Print Volume	8000 sheets
Recommended Monthly Print Volume Range	6001 - 10000
Software Included	No
Total Paper Tray Capacity	350 sheets
Touch Screen	No
Type	Laser Printer
Warranty	1-Year Limited
Wide Format Printing	No