Uninstalling the Printer Driver

It is recommended that you use the Installer to uninstall an unnecessary driver.
IMPORTANT
When you upgrade a driver, you can overwrite the old driver with a newer one. Uninstalling the driver is not required before the upgrade.
1.
Click the [Print & Scan]/[Printers & Scanners] icon in [System Preferences].
2.
Select the printer you use, then click [-].
3.
Delete the printers that are registered, then close the [Print & Scan]/[Printers & Scanners] dialog box.
4.
Open Finder application of your macOS.
5.
Select [Go] → [Go to Folder] from the menu bar.
6.
Enter the following folder locations, click [Go], then delete the files and folders.
Delete Example: You can delete files and folders by dragging them to the [Trash] icon in the Dock.
Location
Files and folders to delete
/Library/Printers/Canon/
CUPS_SFP
/Library/Printers/PPDs/Contents/Resources/
CNPZN***ZN.ppd.gz
Where *** indicates a character string that represents the printer model.
 When the [Authenticate] dialog box is displayed
Enter the administrator's name and password, and then click [OK].
7.
Close all open windows.
8.
Restart your computer.
The printer driver is uninstalled.