Dear Jason,
Fast solution:
sudo lpadmin -x <printer_name>
I think you just have a permission issue with your cups configuration (cupsd.conf).
On RHE the file you need to modify is /etc/cups/cupsd.conf and then you need to change several lines:
1) Enable remote access on your browser remotely on /etc/cups/cupsd.conf file:
Listen *:631 ( if you are using local browser then leave the default localhost:631 )
2) Update the groups that has administrative rights over CUPS:
SystemGroup sys root
In our case, we normally create a secondary group (printeradmin) for those users who will manage the printers afterwards.
3) Change permissions by adding the "Allow all" directive to the following sections:
<Location />
Order allow,deny
Allow all </Location>
<Location /admin>
AuthType Basic
Order allow,deny
Allow all </Location>
<Location /admin/conf>
AuthType Basic
Require user @SYSTEM
Order allow,deny
Allow all </Location>
4) Reload cups service:
sudo service cupsd reload
Regarding how to use the GNOME utility, no clue sorry.
Additional documentation:
http://www.cups.org/documentation.ph...upsd-conf.html
