Another one example. Today I've been suffered trying to install LaserJet 1000 series on Xubuntu 14.04. The same problem. Only deleting hplip from system makes possible printer to get it's firmware loaded. Also I should download its firmware by 'getweb 1000 command'. So there are definitely some kind of conflict between Foomatic and HPLIP causes printer firmware not to load.
Another one example. Today I've been suffered trying to install LaserJet 1000 series on Xubuntu 14.04. The same problem. Only deleting hplip from system makes possible printer to get it's firmware loaded. Also I should download its firmware by 'getweb 1000 command'. So there are definitely some kind of conflict between Foomatic and HPLIP causes printer firmware not to load.