Designed for small and medium businesses, the Canon imageCLASS MF451dw balances speedy performance, minimal maintenance, and the ability to add an optional paper tray. A 5" color touch screen delivers intuitive user experience and can be customized by a device administrator to help simplify many daily tasks..Easily manage tasks with the 5" color touch-screen display.First print out: less than 6 seconds (letter).Types of media supported: plain paper.Expandable paper capacity up to 900 sheets.All-in-one printer gives you printing, copying, and scanning capability.RAM memory: 1GB printer memory provides convenient, reliable printing of your most important documents.One-pass duplex scanning allows you to obtain a two-sided scan with one pass through the automatic document feeder.Energy saver mode uses less than 1W in sleep mode.600 x 600 dpi optical resolution for good-quality printed text and images.Meets or exceeds the ENERGY STAR and EPEAT Silver standards.1 x USB 2.0, 1 x Gigabit LAN, 1 x USB host, and Wi-Fi connectivity helps enhance productivity.Print on the go with Canon PRINT Business, Apple AirPrint, and Mopria Print Service.Dimensions: 15.4"H x 17.8"W x 18.3"D.Print speed: up to 34 ppm (letter); automatic duplex printing and copying with a monthly duty cycle of 4000 pages.Auto feeder with a 50-sheet capacity as well as automatic two-sided printing and copying help save paper and related costs.Wi-Fi Direct enables easy connection to mobile devices without a router.High-capacity toner option keeps up with your printing needs and limits toner replacement interruptions.Printer has a resolution quality that goes up to 600 x 600 dpi for excellent readability.Send scanned documents to/forward received faxes to email or file server