I hate Small Pucks I cannot Lie

After using Pre ground coffee, my delonghi magnifica has started dosing really small pucks resulting in weak coffee. Any ideas? Have reset to factory, lubed diffuser and changed O-rings.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0