What is Hp Printer assistant program and how to download and install it from 123.hp.com/setup? The HP Printer Assistant is an application or program that assists an HP Printer user in managing all of his machine's printing chores. The program is also known as HP Printer Management software and can be downloaded from 123.hp.com/setup · To begin, switch on your HP Printer and unhook all of the wires that link it to your computer (if there are any). · Go to 123.hp.com/setup · Tap the "Printers" icon/option when you see the "Let's identify your product to get started" page on your screen. · Here, you must insert your printer's model number and click the "Submit" button. · Finally, select the "Download" option from the "Driver" menu. website : https://l-123hp.com/