03-02-2015 04:06 AM
50.1 error message indicates a fuser under-temperature error. The fuser did not reach the correct operating temperature during the warm up process causing a 50.1 error. This could indicate a problem with the power source or it could be paper stuck in the fuser if the 50.1 error follows a paper jam.
To resolve the fuser error, try troubleshooting steps given in below link: