The 2505F's PCL6 implementation is PCL6 Enhanced (not PCL5e). It supports HP-GL/2 for vector graphics. If you experience "garbled text" on complex PDFs, you must switch the driver's Graphic Mode from "Vector" to Raster in Printing Preferences > Advanced.
Check for driver updates every 6 months. Toshiba releases updates specifically for security vulnerabilities (like the PrintNightmare exploit) and new OS feature updates. toshiba studio 2505f driver