DELL 2155cdn. Print technology: Laser, All-in-one functions: copy, fax, scan, Maximum duty cycle: 40000 pages per month. Print speed (black, normal quality, A4/US Letter): 23 ppm. Copy speed (normal quality, black, A4): 23 cpm, Copy speed (normal quality, colour, A4): 23 cpm. Scan type: Flatbed, Image formats supported: JPG, TIF. Modem speed: 33.6 Kbit/s