Star Performer. Stellar Finish. The Lexmark MS812dn network-ready laser printer with internal two-sided printing, 800 MHz processor, 512MB of memory standard & 650-sheet standard input has a print speed of up to 66 ppm. Faster Processing Improve your print speeds by taking advantage of up to 2.5 GB of memory, an 800 MHz dual-core processor & Gigabit Ethernet. Reliable High Performance Print up to 50, 000 pages per month, & enjoy fewer maintenance hassles with our state-of-the-art paper handling. Keep Jobs Moving With a maximum input capacity of up to 4, 400 sheets & an extra high yield toner cartridge, you'll rarely have to add paper or change cartridges. Spend Less Time Waiting Print up to 66 pages per minute, & produce your first page in as little as 4 seconds. Print on a Wide Range of Media With built-in two-sided printing & the ability to print on diverse materials, you can do more for your business & use less paper.