Printing has partially stopped working (has been working fine until now) - getting half a test page

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http://askubuntu.com – Printing has been working fine for me with Ubuntu 12.04, and my Epson NX130 (driver from Epson), but it has developed a problem (maybe since an update came through for CUPS recently - not sure) It only prints part of any page. This includes the test page (which it prints down to the dotted line under the graphics circles, then nothing else. No text or border on the page after that. Printing a text document from Libre office results in just the first few lines. I didn't change anything at all myself, except I allowed the updates that come through regularly, and I noticed that they include (HowTos)