ReadyPlug USB Cable Compatible with HP Photosmart C4780 All-in-One Printer (10 Feet, Black) ReadyPlug Data Cable Compatible with HP Photosmart C4780 All-in-One Printer USB 2.0 High Speed Cable upto 480mbps Length: 10 Feet (3 Meters) - Color: Black For PC or Mac Computer ReadyPlug Lifetime Warranty