Printer Add button not enabled

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http://askubuntu.com – I am trying to set-up a network printer on my system. Navigated to System Setting>>Printing and viola the Add button out there is disabled. When i troubleshooted using Help it said that the CUPS print spooler does not appear to be running. To correct this, choose System->Administration->Services from the main menu and look for 'cups' service. Please tell me what to do in order to add a printer (HowTos)