Black & White A4, 20 ppm, Duplex print, 600 x 600 dpi, Scan/Fax/Copy, 250 sheets in, 50-sheet ADF, USB 2.0, Ethernet 10/100Base TX
OKI B4540, Laser, Colour printing, 600 x 600 DPI, Colour scanning, Mono faxing
OKI B4540. Print technology: Laser, Printing: Colour printing, Resolution (maximum): 600 x 600 DPI. Maximum copy resolution: 600 x 600 DPI. Scanning: Colour scanning. Faxing: Mono faxing