Brother DCP-L2551DW, Laser, Mono printing, 2400 x 600 DPI, Mono copying, A4, Black Brother DCP-L2551DW. Print technology: Laser, Printing: Mono printing, Maximum resolution: 2400 x 600 DPI. Copying: Mono copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Color scanning, Optical scanning resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Wi-Fi. Product color: Black