DELL 2145cn. Print technology: Laser, All-in-one functions: copy, fax, scan, Colour all-in-one functions: copy, fax, print, scan. Print speed (black, normal quality, A4/US Letter): 20 ppm, Print speed (colour, normal quality, A4/US Letter): 20 ppm. Image formats supported: BMP. Modem speed: 33.6 Kbit/s, Fax memory: 4 MB. Standard input capacity: 150 sheets, Maximum input capacity: 850 sheets, Auto document feeder (ADF) input capacity: 50 sheets