Work faster and get high-quality results with the MX431adn Monochrome Laser Printer from Lexmark. Offering fast printing speeds with quality results, the MX431adn features a 250-sheet input tray, a 100-sheet multipurpose feeder, a 50-sheet ADF, and a 150-sheet output tray for all your office needs. First-print-out speed is a quick 5.9 seconds and, once running, the printer has an impressive print speed of 42 ppm. The 2400 x 600 dpi print resolution ensures sharp text on business documents, envelopes, and labels, and the printer's Unison Toner uses a unique formulation to consistently deliver outstanding image quality and long-life sustainability.

While using the ADF, simplex scan speeds are fast at 48 ppm, while color scan speeds are a quick 21 ppm. Duplex scanning is available as well with black duplex scan speeds of 96 ipm and color duplex scan speeds up to 42 ipm. Scan file formats include TIFF, PDF, JPEG, and JPG, and you scan to and retrieve files from popular cloud services including DropBox, Google Drive, and Microsoft OneDrive. Copying capabilities are equally impressive with black copy speeds as fast as 42 cpm, and you can even fax your documents as quickly as 3 seconds per page.

A 2.8" LCD panel lets you easily configure and monitor vital system information, and the unit's 1 GHz dual-core processor with 512MB of memory keeps your printer operations running smoothly and efficiently. For security, the unit utilizes Lexmark's full-spectrum security architecture to keep your information safe, and USB 2.0 and Ethernet connections are provided for connectivity and networking. Built to be durable, the printer is constructed with a durable steel frame featuring a maximum monthly duty cycle of 80,000 pages.