OKI ML280eco. Maximum print speed: 375 cps, Maximum resolution: 240 x 216 DPI, Maximum print speed (draft): 333 cps. Continuous paper length range: 76.2 - 241.3 mm. Product colour: White, Buffer size: 128 KB, Sound pressure level (printing): 58 dB. Standard interfaces: Parallel, RS-232, USB 2.0. Print head: 9-pin, Print head life: 200 million characters, Mean time between failures (MTBF): 20000 h