I can confirm this behavior, although I seem to have found a fix. I had previously set up my Epson Stylus C86 and it was working correctly. When I went to print yesterday, I got no output. After verifying ink levels, cleaning the heads, replacing two cartridges, and cleaning heads again. I decided to remove and add the printer driver again, given the recent number of cups updates for Dapper. I received exactly the same behavior described above.
Interestingly enough, after adding user cupsys to the shadow group and restarting the cups daemon, the CPU usage was pinned very briefly and I was able to add a printer successfully via gnome-cups-manager. It would seem that disabling printer administration from the http://localhost:631 interface also disables administration via the GNOME GUI. -- can't add printer, consumes 100% CPU https://launchpad.net/bugs/44465 -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
