Deleting the Printer Driver (macOS)
Click [System Preferences] on the Apple menu.
Click [Printers & Scanners].
Click [Delete Printer].
Close the system preferences.
Start the Finder.
Enter the location where the PPD file is installed, and then press Enter.
Enter "/Library/Printers/PPDs/Contents/Resources/".
Delete the PPD file of the machine (XXX.gz).
"XXX" is the model name of the machine.Close all of the screens, and then restart the computer.
The printer driver will be deleted.