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I got two samsung new series 9, 13', the very same, with Ubuntu 12.10 installed on it (Erratum : The second one SEEMS to have 13.04 installed on it, but same kernel 3.5.0-23). I installed the MP495 printer driver on both :

$ dpkg -l | grep 495
rc  scangearmp-mp495series 1.60-1 amd64   ScanGear MP for Linux.

But one can print, and the other one cannot. Indeed, I found something weird : Here is the printer menu on laptop N°1 - working

And here is the printer menu on laptop N°2, not working : enter image description here

What's wrong with this N°2 ? never seen such printing menu before...

So I can't follow the usual procedure to add a new printer, and can't print from this N°2 laptop (wifi printing).

Any help would be much appreciated.

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Did they both have the same version of Ubuntu installed at the same time? – Ian N Feb 9 '13 at 16:15
I was shure they were same version, but actually they are NOT ! One is 12.10, and the other one (N°2) is 13.04...Now, I'm wondering how did I manage to upgrade one of them on the latest 13.04 without even noticing it !!! – Sulliwane Feb 11 '13 at 12:03
How can I revert back to 12.10 ? – Sulliwane Feb 11 '13 at 12:07
up vote 0 down vote accepted

The problem was due to ppa:gnome3-team/gnome3. I got it back to normal by running :

sudo apt-get install ppa-purge
sudo ppa-purge ppa:gnome3-team/gnome3

Found the answer in this post.

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