If you have an Installation CD just insert it to the computer with an operating system that is compatible to use with your printer. Open the setup file and extract the file to the required folder. Select and then carry on with the instructions. Navigate to the control panel to choose the wireless setup wizard. Answer all the instructions of the wizard and move forward with the onscreen instructions that are visible on the device display screen. Navigate to our webpage 123hpcomdj and then speak to our team of experts to know more about the HP DeskJet 6122 Printer setup. Ring the toll-free number and you will get an idea about the device setup and troubleshooting.