The Lexmark MS821dn features a first page as fast as 4.5 seconds, output up to 55 pages per minute, and two-sided printing. Meet the future A combination of 1-GHz dual-core processor and 512 MB of memory (upgradeable to 4.5 GB) has the power to handle demanding tasks right now while providing a secure, upgradeable framework for future advances in product functionality. And all two-sided-printing models in Lexmark's most energy-efficient line of large-workgroup monochrome products ever are rated EPEAT® Silver and ENERGY STAR® (2.0) certified. Interact with ease With new front power button and USB port, 2.4-inch color LCD/keypad to monitor and configure system settings and single-door access to parts and supplies, it's easier than ever to get things done. Convenient front access to the paper path means you'll virtually never have to access the back of the device, allowing placement in or on cabinets. And ADA-compliant trays have push-button sliders and open with one hand, requiring low force and no twisting. Full-spectrum security Lexmark's comprehensive approach to product security is a design and engineering mandate across our entire product portfolio. Our security features help keep your information safe-in the document, on the device, over the network and at all points in between. That's why Keypoint Intelligence - Buyers Lab honored Lexmark with a prestigious BLI PaceSetter award for Document Imaging Security. And this Lexmark product enables you to be GDPR ready. Ready to work With access to input capacity of up to 4400 sheets, replacement toner cartridges that go as high as 55,000 pages, long-life imaging unit and a fuser that may never need replacement, you'll spend more time printing. Plus, innovations in part replacement and accessibility help you resolve problems quickly. Fast start + enduring performance A first page as fast as 4.5 seconds sets the stage for printing and copying up to 55 [52] ppm. And support for large workloads is built in, with recommended monthly page volume as high as 350,000 pages. Engineered to last Steel frames and a robust paper feeding system that reliably handles diverse media types and sizes support heavy-duty use and a long life in even the harshest environments.