HP 930c printing problem

[tripm8]

Hi,

I've got a HP 930c printer, which until a coupel of weeks ago was working perfectly fine.

Suddenly rather than printing a full page it only prints the 1st few lines of a page, then leaves the rest of the page blank, then skips a few lines and continues printing a couple of lines on the second page etc etc

I have tried reinstalling the printer drivers, and I have checked that the paper settings are correct.

I would be grateful for any help