The HP PSC 1315 All-in-One driver is available on the HP website, under "Support" and "Download Drivers." Before downloading the driver, select the appropriate operating system from the drop down menu.
HP provides printer drivers for each of their currently available products. These drivers allow the user's computer to operate the HP printer properly. Some computers, however, may recognize and run printers without needing to install the driver.
The HP 1315 All-in-One printer is a printer, scanner and copier. To ensure that the computer can operate all of these functions, install the driver from the CD that comes with the printer, or download and install the driver from the HP website.