crwdns2934241:0crwdne2934241:0 Bob

crwdns2934249:0crwdne2934249:0:

I had this same problem and it turned out to be a broken drive gear of the paper feed mechanism.  These are plastic gears and mine split from teeth in to the center.  Has to be replaced.

crwdns2915684:0crwdne2915684:0:

open