Sometimes, after install and configuration
cups for printing, you can’t get the list of printer driver list although you have been installed necesary parkages. Whenever you try to add using any of the available protocols CUPS spits this incredibly helpful error message out:
Unable to get list of printer drivers: "Success"
I spent an hours for researching about that problem then it fixed and work flawlessly. Here is my solution to fix the problem with Canon LBP2900:
Quick Tips – Disable Laptop Camera (WebCam) in Linux
This quick tips will going to show you how to turn off (disable) your laptop’s camera to save the power and increase the battery usage time.