DELL E525w ユーザーズマニュアル

Installing Printer Drivers on Linux Computers (CUPS)

5 Specify the required settings, and click Set Printer Options.
6 Enter root as the user name, enter the administrator password, and click OK.

Set the password for authority as the printer administrator before setting the printer queue. If you have not set it, go to 

The message Printer xxx has been configured successfully. appears.
The setting is complete. Execute printing from the application.

You must set the password for authority as the printer administrator to do operations.

1 Select ComputerMore Applications... and select GNOME Terminal on the Application Browser.
2 Enter the following command in the terminal window.

1 Select Computer More Applications... and select GNOME Terminal on the Application Browser.
2 Enter the following command in the terminal window to delete the print queue.

3 Repeat the command above for all queues for the same model.
4 Enter the following command in the terminal window.

The printer driver is uninstalled.

su
(Enter the administrator password)
lppasswd -g sys -a root
(Enter the password for authority as the printer administrator after 

the Enter password prompt.)
(Re-enter the password for authority as the printer administrator 

after the Enter password again prompt.)

su
(Enter the administrator password)
/usr/sbin/lpadmin -x (Enter the printer queue name)

su
(Enter the administrator password)
rpm -e Dell-Color-MFP-E525w