OKI ML5521eco, 570 cps, 240 x 216 DPI, 95 cps, 380 cps, 10,12,15,17.1,20 cpi, 20 cpi
OKI ML5521eco. Maximum print speed: 570 cps, Maximum resolution: 240 x 216 DPI, Maximum print speed (LQ): 95 cps. Maximum print size: A3 (297 x 420 mm), Paper feed: Manual, Push tractor, Paper tray media types: Envelopes, Labels. Buffer size: 128 KB, Sound pressure level (printing): 56 dB, Page description languages: Epson FX, IBM ProPrinter, OKI ML. Standard interfaces: Parallel, USB 2.0, Optional connectivity: Ethernet, Serial (RS-232). Print head: 9-pin, Print direction: Bidirectional, Print head life: 200 million characters