It would do that. What you discover is that out of warranty repairs run more than a replacement scanner.
Hp C7280. Printer, copier, fax, scanner. Just recently, everytime I try to use the copy function, I end up with a nearly solid black sheet. I've changed no settings. Tried troubleshooting with no results. I've searched online including HP forums and no one seems to have an answer. But others are experiencing the same issuel. For the first year it worked flawlessly. All cartridges are recently installed HP brands (did the same thing when black was getting low). Same thing happens when scanning. Regular prints are perfect. Don't use the fax.
Am using HP vista, 32 bit laptop and running laptop to printer wirelessly. I've even tried re arranging the position of the paper on the screen and cleaning the screen.
Last resort is calling HP tech, which I DREAD.