Unable to Fix Brother Printer Error 50?

Hello, I am facing this problem for a long time. I am not able to work due to this problem. Please suggest me any solution to get out of this solution.

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

crwdns2934109:0crwdne2934109:0

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