All options tried - almost ten hours on the phone with HP technicians - nothing works.
We can't even revert to the Belkin now, presumably due to changes in IP addresses now.
The printer chucks out a lovely clear print with a USB connection and my mobile phone can see the printer so its not a matter of connectivity - it's setting up the connectivity that has beaten everyone
Now for English consumer law and PC World who were the retailer unfortunate enough to sell this piece of crap!