Ricoh Aficio SPC221N. Maximum resolution: 2400 x 600 DPI, Print technology: Laser, Maximum duty cycle: 30000 pages per month. Print speed (black, normal quality, A4/US Letter): 20 ppm, Print speed (colour, normal quality, A4/US Letter): 20 ppm, Warm-up time: 51 s. Internal memory: 128 MB, Maximum internal memory: 640 MB. Processor clock speed: 300 MHz. Standard input capacity: 250 sheets, Maximum input capacity: 751 sheets, Multi-Purpose Tray capacity: 1 sheets