Features a first page as fast as 4.2 seconds and output up to 65 pages per minute. • Output up to 65 pages per minute. • Duplex printing (two-sided printing). • 1 GHz dual-core processor, 512 MB standard and up to 4.5 GB memory. • First page as fast as 4.2 seconds. • With access to input capacity of up to 4,400 sheets, replacement toner cartridges that go as high as 55,000 pages, long-life imaging unit and a fuser that may never need replacement. The Lexmark MS823n brings reliability and performance to the large-workgroup monochrome printer class with a first page as fast as 4.2 seconds and output up to 65 pages per minute. Its robust paper handling includes reliable feeding of a wide range of media types and sizes, up to 4,400 sheets of input and optional finishing. Plus, its long-life imaging unit and fuser reduce downtime. Whether you connect via Ethernet, USB, or mobile, Lexmark-exclusive full-spectrum security helps protect your device, your network and your best ideas. Maximum Print Speed (Black): 65 ppm; Print Resolution (Black) (Width x Height): 1200 x 1200 dpi; B&W or Color Output: B&W; Printing Type: Laser.