Uninstalling a Driver

This explains the procedure for uninstalling a driver that is no longer needed.

Prerequisites

When connected by USB, removal of the USB cable connecting the device and the computer
Confirmation of the device name to be deleted
NOTE
The driver can be upgraded. It is not necessary to uninstall the old driver.

Procedures

1.
Open [System Settings] in macOS → click [Printers & Scanners] in the sidebar.
2.
Select the device to uninstall.
3.
In the displayed dialog, click [Remove Printer].
4.
Click "Finder" in "Dock".
5.
Select [Go] > [Go to Folder] in the menu bar.
6.
Go to the folders listed below and delete the indicated files and folders.
If a confirmation dialog is displayed, enter an administrator name and password and click [OK].
The name represented by "****" varies according to the device.
Folder path
Name of file or folder to delete
/Library/Printers/Canon/
CUPSFAX
/Library/Printers/PPDs/Contents/Resources/
CNMC****F.ppd.gz
/Library/Printers/PPDs/Contents/Resources/
CNMC****FB.ppd.gz
/Library/Extensions/
CanonCUPSFAXUSBClassDriver.kext
/usr/libexec/cups/backend/
canonoipnetf
Depending on the environment you are using, some or all of the folders and files listed above may not be present.
7.
Restart macOS.