1st thing to check will be your firmware version. Either put it on auto-update or have the printer go check (if connected to the internet). You can also post the version here and I'll be able to tell you if you have the most recent (ends in 1336mr).
Touch the "?" and then printer information to get the FW Version.
Update if you are at number lower than 1336.
Check back with me if you don't get a solution.