HP Officejet 4500 Wireless All-in-One Printer, Officejet. Print technology: Inkjet, All-in-one functions: copy, fax, print, scan, Colour all-in-one functions: copy, fax, print, scan. Print speed (black, normal quality, A4/US Letter): 6 ppm, Print speed (colour, normal quality, A4/US Letter): 4 ppm, Print speed (black, draft quality, A4/US Letter): 28 ppm. Maximum copy resolution: 1200 x 1200 DPI, Copy speed (normal quality, black, A4): 4.5 cpm, Copy speed (normal quality, colour, A4): 2 cpm. Optical scanning resolution: 1200 x 1200 DPI, Maximum scan area: 216 x 356 mm, Maximum scan resolution: 19200 x 19200 DPI. Fax resolution: 300 x 300 DPI, Fax transmission speed: 3 sec/page, Fax memory: 100 pages