OKI OKIOFFICE 2530. Print technology: Laser, Copying: Mono, Scanning: Mono. Print speed (black, normal quality, A4/US Letter): 10.5 ppm. Maximum copy resolution: 600 x 600 DPI, Copier resize: 25 - 400%, Maximum number of copies: 99 copies. Modem speed: 33.6 Kbit/s. Standard input capacity: 250 sheets, Auto document feeder (ADF) input capacity: 50 sheets