Download the PCL6 Driver and the TWAIN Driver (for scanning).
Before diving into the download links, it is crucial to understand why you cannot simply use a generic driver. The Toshiba e Studio 306 SE is not just a printer; it is a complex MFP offering: toshiba e studio 306 se printer driver download
To help you get the exact setup you need, please let me know: Download the PCL6 Driver and the TWAIN Driver (for scanning)