Why won't my Epson Stylus Color 777 feed paper?

If I'm not mistaken, the 777 is about a 7-8 year old bargain inkjet printer. That it has worked til now is nothing short of amazing.

Time for a new printer.

But if you insist, the most common cause of feed problems is paper bits jammed in the wheels, gears, or somewhere else in the feed path. You could try cleaning the roller, but that probably won't help. Since you could buy a new, better printer for less than it will cost you to get someone to look at it, much less fix it, you are probably better off following that route.

To solve your problem you must remove the shell of the printer to expose the pick up roller take a Q tip and some rubber renew to the pick up roller and put just a bit of pressure to clean all the paper dust off be carefull not to touch anything else, rubber renew eats plastic do the whole roller, it will get a little lighter in color when it's clean.