Issues when printing a website of multiple pages, only prints every other page

I have recently started using Firefox as since using windows 8 have found a few problems with explorer. I sell a great deal on ebay and in order to print my invoices, ebay create a webpage with all of them on. I have attempted to print this through firfox and it only seemed to print every other page fully(1,3,5,7 etc.) Pages 2,4,6 etc. would have just the first couple of text lines on but nothing else, it even shows it like this on the print preview. can you help?