Error code 6A is a fuser error. It appears on Brother MFC-8440, MFC-8840, MFC-8500, DCP-8020, DCP-8040, DCP-8045D Solution 1 : Turn off the power Unplug the printer power. Wait 5 minutes. Plug the power cord back in. Solution 2 : Check the fuser Solution 3 : Unplug for 10 seconds Press and hold on the menu key while you plug it back in untill you see the screen "parameter init" Press 99. Solution 4 : Turn off printer Hold down MENU button and turn on. Release the button after 5 seconds. f error still occurs, press 9,1 If error still occurs, press 9,9 Solution 5 : Replace the fuser Fuser for MFC-8440, MFC-8840, DCP-8020, DCP-8040, DCP-8045D: LM2578001