The HP Photosmart C4780 Printer Driver is a fast and efficient multifunction inkjet printer that delivers documents in colour as well as black and white. The machine comes with an innovative touch screen that makes ordering prints or other functions simple. Although the high costs of replacing the ink that the HP Photosmart C4780 Printer Driver uses may make it unsuitable for smaller and home offices, the ease of use and smart design are a real bonus for medium and larger offices that are likely to have many people using the machine.