The advantage of this printer is that there is a window built in to the bottom of the paper tray steven very close to the problem. It sounds like it is printing but then nothing comes out and the error message read more. Landing gea" i had glued plastic to plastic, and it worked. I tried the above solution, for the rollers, did you try this from.
HP Photosmart 7520 e-All-in-One Printer Troubleshooting.Select your Model Let.