Learn what a USB to Serial adapter is used for, when you might need one, and whether installing a driver is required for it to work properly.

According to the Linux Foundation, PPD files contain information about an individual printer's capabilities, data input formats, ... DEB printer driver files have a ".deb" file extension.

Then, simply unzip the file, run the installer, and follow the on-screen prompts to finish installing the missing driver. The setup wizard may ask you to reboot the PC to complete the installation.