Uninstalling a Driver

This section describes the procedure for uninstalling an unnecessary driver. It is necessary to uninstall the driver after deleting the printer registered with the utility (Canon Printer Setup Utility).
If you also need to uninstall the driver to update it, follow this procedure to do so.
Execute the procedure corresponding to the installed driver and environment.
Uninstalling Version 5.00 or Later
Uninstalling Version 3.70 or Earlier

Uninstalling Version 5.00 or Later - Red Hat Type Distributions

1.
Switch to an account with super user privileges.
Using the sudo command
$ sudo su
Using the su command
$ su
2.
Delete the registered printer.
(1) Execute the following command from the terminal to start the Canon Printer Setup Utility.
# cnsetuputil2
(2) Select the printer to be deleted on the displayed screen → click [Delete] → click [Close] when the printer has been deleted.
The Canon Printer Setup Utility closes. 
3.
Uninstall the PPD files.
# rpm -qa | grep cnrcups | grep zs | xargs rpm -e
4.
Uninstall the printer driver module.
# rpm -e cnrdrvcups-ufr2-us

Uninstalling Version 5.00 or Later -  Debian Type Distributions

1.
Delete the registered printer.
(1) Start the Canon Printer Setup Utility by performing one of the following operations. 
Select [Canon Printer Setup Utility 2] from the menu screen of the operating system.
Execute the following command.
$ cnsetuputil2
(2) Select the printer to be deleted on the displayed screen → click [Delete] → click [Close] when the printer has been deleted.
The Canon Printer Setup Utility closes.
2.
Switch to an account with super user privileges.
Using the sudo command
$ sudo su
Using the su command
$ su
3.
Uninstall the PPD files.
# dpkg -l | grep cnrcups | grep zs | awk '{print $2}' | xargs dpkg -P
4.
Uninstall the printer driver module.
# dpkg -P cnrdrvcups-ufr2-us

Uninstalling Version 3.70 or Earlier -  Red Hat Type Distributions

1.
Switch to an account with super user privileges.
Using the sudo command
$ sudo su
Using the su command
$ su
2.
Delete the registered printer.
(1) Execute the following command from the terminal to start the Canon Printer Setup Utility.
# cnsetuputil
(2) Select the printer to be deleted on the displayed screen → click [Delete] → click [Close] when the printer has been deleted.
The Canon Printer Setup Utility closes. 
3.
Uninstall the PPD files.
# rpm -qa | grep cncups | grep zs | xargs rpm -e
4.
Uninstall the printer driver module.
# rpm -e cndrvcups-ufr2-us
5.
Uninstall the CUPS common driver module.
# rpm -e cndrvcups-common
6.
Uninstall the Canon Printer Setup Utility.
# rpm -e cndrvcups-utility

Uninstalling Version 3.70 or Earlier - Debian Type Distributions

1.
Delete the registered printer.
(1) Start the Canon Printer Setup Utility by performing one of the following operations. 
Select [Canon Printer Setup Utility] from the menu screen of the operating system.
Execute the following command.
$ cnsetuputil
(2) Select the printer to be deleted on the displayed screen → click [Delete] → click [Close] when the printer has been deleted.
The Canon Printer Setup Utility closes.
2.
Switch to an account with super user privileges.
Using the sudo command
$ sudo su
Using the su command
$ su
3.
Uninstall the PPD files.
# dpkg -l | grep cncups | grep zs | awk '{print $2}' | xargs dpkg -P
4.
Uninstall the printer driver module.
# dpkg -P cndrvcups-ufr2-us
5.
Uninstall the CUPS common driver module.
# dpkg -P cndrvcups-common
6.
Uninstall the Canon Printer Setup Utility.
# dpkg -P cndrvcups-utility

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