The HP Officejet Pro 7740 A3 Wifi All In One Printer is a printer that you can use to print, scan, and copy documents with prominent color results on medium sizes up to 11 x 17 inches (A3). Everything can be done at a cost of up to 50% lower per page than other color laser printers. Ideal for businesses that need a versatile all-in-one printer to help them appear more at affordable costs. A printer with dynamic security by using a special original chip cartridge from HP. Can do wireless printing via mobile phones and other gadgets based on Android, Apple, and Windows.