Before starting the usage of your HP Envy 4520, you should complete the set-up guidelines of the printer. The set-up shows how to Connect HP Envy 4520 Printer to Computer. It has three phases. The first phase is Hardware set-up. Second is Wireless setup. The third phase is the Software set-up.
Using the access the door at the top of the printer, fill in the cartridges. For this, lift the carriage slot lid up, remove the plastic tape on the cartridge, and insert the cartridge into the empty slot. The printed alignment process will automatically start.