It reduces paper and toner wastage with Brother's duplex (two-sided) printing and optional high-yield toner cartridges which effectively reduce total operating costs and lower your overall cost per print. Plus, easily produce 2-up and 4-up on a single sheet. This saves paper when viewing drafts or layouts.Featuring print speeds ranging from 20ppm to 30ppm, higher print speeds save time for multiple users and on large volume printing tasks.