ML3390 - 390cps, 360x360dpi, USB 2.0, 8400g
OKI ML3390eco, 390 cps, 360 x 360 DPI, 87 cps, 260 cps, 10,12,17.1,20 cpi, 160 cpi
OKI ML3390eco. Maximum print speed: 390 cps, Maximum resolution: 360 x 360 DPI, Maximum print speed (LQ): 87 cps. Paper tray media types: Envelopes, Labels. Buffer size: 128 KB, Sound pressure level (printing): 57 dB, Page description languages: Epson ESC/P2, IBM ProPrinter. Standard interfaces: Parallel, USB 2.0, Optional connectivity: Ethernet, Serial (RS-232). Print head: 24-pin, Print direction: Bidirectional, Print head life: 200 million characters