With exceptional performance and secure design MS531dw delivers enhanced productivity, up to 46 pages per minute and a toner yield up to 28,400 pages. Fast time to first print, superior print quality and easy-to-use touch screen. Maximum Print Speed (Black): 46 ppm; Print Resolution (Black) (Width x Height): 1200 x 1200 dpi; B&W or Color Output: B&W; Printing Type: Laser.