Setting up 123 hp com setup 9025 involves several simple steps. Begin by unpacking the printer and removing all packaging materials. Plugging the printer into a power source will turn it on. To choose the language, region, and time settings, adhere to the on-screen instructions. Load paper into the input tray and install ink cartridges. Download and install the printer driver and software from the HP website or included CD. Follow the installation wizard instructions, selecting wireless or USB connection as desired. Once installed, complete any additional setup steps, such as registering the printer and setting preferences.