Black & White Laser Printer. Duplex (2-sided) Printing: Integrated Duplex. Print Speed: Up to 47 ppm. Recommended Monthly Page Volume: 2,000 - 20,000 Pages. With exceptional performance and secure design, the MS631dw delivers enhanced productivity of up to 47 pages per minute* and a toner yield of up to 31,000 pages**. Fast time to first print, superior print quality and easy-to-use touch screen.. Proprietary technology. We own core technology across hardware, firmware, services and solutions, creating seamless connections designed to reduce the risk of security gaps between your document, your device and your network​.. Sustainability. With certifications in Energy Star®, Blue Angel, RoHS, EPEAT® Silver. Models are sustainable for today and beyond. Lexmark is an industry leader of recycled content with products using at least 39% PCR content and continual focus on improvement. This line is also engineered for Long Life and designed to last and reduce waste.. Secure by design. Lexmark expertise helps customers to protect their data, their device and their network. Our security ecosystem is designed to overcome the most complex data challenges. And now we’ve added the Trusted Platform Module (TPM)***, which includes on-board authentication, system integrity checks, and cryptographic capabilities to create a unique digital system fingerprint. TPM meets stringent industry and US government security standards, including Common Criteria and Federal Information Processing Standard (FIPS).. Manageability. These IoT-ready devices can be remotely managed and monitored, including setup, configuration, consumables management and diagnostics. Wireless capability gives freedom of access, and remote firmware updates make it easy to upgrade to the latest security features. Our mobile printing app makes it easier to monitor and manage your print jobs from remote locations, all from the touch of your phone.. Ongoing professional product support. From easy installation to a lifetime

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