A4 Mono 16 ppm Print, Copy, Fax, 600x600 dpi, Manual duplex, 250 sheets tray, USB 2.0, 64MB RAM
OKI B2540, Laser, 600 x 600 DPI, Colour scanning, Mono faxing, A4
OKI B2540. Print technology: Laser, Resolution (maximum): 600 x 600 DPI. Maximum copy resolution: 600 x 600 DPI. Scanning: Colour scanning. Faxing: Mono faxing. Maximum ISO A-series paper size: A4