Lexmark C736dn. Maximum resolution: 1200 x 1200 DPI, Print technology: Laser, Maximum duty cycle: 100000 pages per month. Print speed (black, normal quality, A4/US Letter): 33 ppm, Print speed (colour, normal quality, A4/US Letter): 33 ppm, Print resolution (colour, normal quality): 1200 x 1200 DPI. Internal memory: 256 MB, Maximum internal memory: 1280 MB. Processor clock speed: 900 MHz. Standard input capacity: 650 sheets, Maximum input capacity: 4300 sheets