Well, if you wish to perform the HP Envy 6255 printer setup, then you need to take the printer from the box. Eliminate all the stickers that are present around the device. Connect the cords to both ends of the printer and power on the printer as well. Then turn on your PC and surf to the 123.hp.com. There you can find the driver file for the printer and you have to mention the operating system. After this, click the download option and the firmware get inducted to the system. Call the support team at +1-888-214-1820 in case of any queries