HP Printer Driver Type

under Win 8 1. Full-Featured Drivers
Full-featured drivers allow you to take full advantage of your printer, and HP provides useful software to help you operate. If you have an all-in-one, this driver provides full printer functionality, including printing, scanning, copying, and faxing.
Other Features
Searchable help files tailored to your printer.
Image editing software.
HP supplies store.
During a full-featured installation, you can choose a custom installation to choose the specific software you wish to install.
2, In-OS Drivers
Windows 8 in-OS software is a driver that has been installed on your computer to support basic printer functions; if most of the buttons on the printer control panel are not available, then You cannot use the eFax feature (if your printer has this feature) and the scan output feature such as scan to email.
Therefore, you don't need to download and install any other software from HP to use your printer. You can also use the software for basic printing, scanning, and faxing tasks, as well as importing images from a memory card (if your printer has these features).
3, Windows Update Driver
Your Windows 8 computer comes pre-installed with a driver named in-OS driver. This software supports the basic functionality of your printer. By manually downloading drivers or setting up automatic updates in Windows 8, Windows Update can be used to determine if you have the latest in-OS drivers installed.