During working life, the HP printers have to go through several errors and technical issues. Some of them are minor, but a few of them are highly advanced. And to ease the HP printers troubleshooting, you will need some useful tools like the HP Smart app, HP Print and Scan Doctor, HP Printer Assistant, etc. All these applications and tools are designed by Hewlett-Packard to assist the users in error-free printing. Being an HP printer owner, you must download these tools on your computer and check for the latest drivers update. It is one of the crucial aspects to avoid errors in your HP printer.