In order to use the HP ePrint service, you will have to get the printer address. For this, you will have to connect the printer with your device and internet. Switch on the printer and load the tray with paper and also place the ink filled cartridges in their respective slot. Tap on the HP ePrint button that you see and then click on Select. for more details please visit our website HP eprint Setup. you can also call as our toll free number +1-855-370-3820