Dell 5110cn - Color Laser Printer User Manual page 445

You must set the password for authority as the printer administrator to do operations as the printer
administrator.
1. Select Start Applications
2. Type the following command on the terminal window.
su
(Type the administrator's password.)
lppasswd -g sys -a root
(Type the password for authority as the printer administrator after the Enter password prompt.)
(Retype the password for authority as the printer administrator after the Enter password again
prompt.)
Uninstalling the Printer Driver
1. Select Start Applications
2. Type the following command on the terminal window.
su
(Type the administrator's password)
rpm -e Dell-Color-Laser-5110cn
The printer driver is uninstalled.
System Terminal
System Terminal
Konsole.
Konsole.