Brother HL-4050CDN. Maximum resolution: 2400 x 600 DPI, Print technology: Laser. Print speed (black, normal quality, A4/US Letter): 20 ppm, Print speed (colour, normal quality, A4/US Letter): 20 ppm, Warm-up time: 33 s. Internal memory: 64 MB, Maximum internal memory: 576 MB. Processor clock speed: 300 MHz. Standard input capacity: 250 sheets, Multi-Purpose Tray capacity: 50 sheets