Fujitsu DL3850+, 537 cps, 360 x 360 DPI, 5 copies, 128 KB, 49 dB, Ethernet, Serial (RS-232) Fujitsu DL3850+. Maximum print speed: 537 cps, Resolution (maximum): 360 x 360 DPI, Maximum copies: 5 copies. Buffer size: 128 KB, Sound pressure level (printing): 49 dB. Optional connectivity: Ethernet, Serial (RS-232). Ribbon life: 5000000 million characters, Mean time between failures (MTBF): 20000 h. Power consumption (typical): 70 W, Power consumption (standby): 28 W