[ubuntu] CUPS Server Error.

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http://ubuntuforums.org – Hi, I use Ubuntu 9.10 on a lenovo T400. My printing seems to be suddenly broken. I connect to the network printer to print -- Using the printer configuration tool, I can connect to the cups server. However, clicking on Settings leads to the following error: CUPS Server error There was an error during the CUPS operation: ''. I can find my desired printer, and opening Printer Properties for this printer shows a "Conflict" with the following message. There are conflicting options. Changes can only be applied after the (Hardware)