Lexmark T634 printer 2 units. The Lexmark T634 is an incredibly high speed workgroup laser printer perfect for high volume printing. It features a monthly duty cycle of 225,000 pages! Fast prints speed of up to 45 ppm with true quality 1200 x 1200 dpi ensures user satisfaction. The T634 allows you to print complex, specialized images as well as general office printing in one printer at a low cost per page. Extensive networking and paper handling options are available as well as a multifunction options allowing you to get the most out of your printing investment. YA460