123 HP Deskjet 3630. 123hp.info simply assist customers to Setup, Install and Troubleshoot HP Deskjet model Printers. Un pack the 123.hp.com/dj3630 printer from its packaging and keep the power cords ready to connect in its respective places. Now, place the cords firmly into the wall sockets so that there are no loose connections or any power issues with the devices. After connecting the cords, press the Home button on the left-hand corner of the printer.