Error Code 201612: Fuser Error.
Trouble Shooting StepCauseSolutionParts1Fuser temperature sensor defective.Replace thermistor temperature sensor. (for A3 lamp).Fuser temperature sensor (008-0347-9-SP).2Main board defective.Relace main board MBA890.Main board:AM7630i (004-3479A-9-SP)AM7640i (004-3479B-9-SP)AM5630i (004-3479C-9-SP)AM5640i (004-3479D-9-SP)