Samsung SCX-4623F. Print technology: Laser, All-in-one functions: fax, scan, copy, Maximum resolution: 1200 x 1200 DPI. Print speed (black, normal quality, A4/US Letter): 22 ppm, Time to first page (black, normal): 10 s, Warm-up time: 15 s. Maximum copy resolution: 1200 x 1200 DPI, Copy speed (normal quality, black, A4): 22 cpm, Copier resize: 25 - 400 %. Optical scanning resolution: 1200 x 1200 DPI, Maximum scan resolution: 4800 x 4800 DPI, Gray scale levels: 256 levels of grey. Fax resolution: 300 x 300 DPI, Modem speed: 33.6 Kbit/s, Fax memory: 255 pages