TallyGenicom 2250. Maximum resolution: 360 x 360 DPI, Maximum print size: A3 (297 x 420 mm). Maximum print speed: 750 cps, Character density: 20 cpi. Buffer size: 64 KB. Optional connectivity: USB, Standard interfaces: Parallel. Ribbon life: 5 million characters, Mean time between failures (MTBF): 10000 h, Maximum duty cycle: 26000 pages per month