B6250n - 30ppm (A4 speed), 533MHz, 1200 x 1200dpi, IEEE1284 Bi-directional parallel, 25-pin RS232C serial, USB 2.0, 10/100Base TX Ethernet, 128MB
OKI B6250n, 1200 x 1200 DPI, A4, 30 ppm, Duplex printing
OKI B6250n. Maximum duty cycle: 150000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 30 ppm, Duplex printing