I could downgrade by:
1) Uninstalling cups,
2) Download version 1.5.3-0ubuntu2 by going to https://launchpad.net/ubuntu/precise/+source/cups/1.5.3-0ubuntu2 and choosing appropriated build (in my case amd64)
3) Install the deb downloaded (in my case it was cups_1.5.3-0ubuntu2_amd64.deb )
I could downgrade by: /launchpad. net/ubuntu/ precise/ +source/ cups/1. 5.3-0ubuntu2 and choosing appropriated build (in my case amd64) 5.3-0ubuntu2_ amd64.deb )
1) Uninstalling cups,
2) Download version 1.5.3-0ubuntu2 by going to https:/
3) Install the deb downloaded (in my case it was cups_1.
Now it is working again.