Lexmark X544dw. Print technology: Laser, All-in-one functions: copy, fax, scan, Maximum duty cycle: 55000 pages per month. Print speed (black, normal quality, A4/US Letter): 23 ppm, Print speed (colour, normal quality, A4/US Letter): 23 ppm, Print resolution (colour, normal quality): 1200 x 600 DPI. Copy speed (normal quality, black, A4): 23 cpm, Copy speed (normal quality, colour, A4): 23 cpm, Copier resize: 25 - 400 %. Maximum scan area: 216 x 355 mm, Scan type: Flatbed. Modem speed: 33.6 Kbit/s