Code: 71

• Description:Laser scanner motor does not lock.

Code: 72

• Description:Cannot detect Beam Detect signal.

Code: 73

• Description:No toner cartridge loaded.

Code: 74

• Description:Toner empty.

• Description:In-house temperature error.

Code: 76

• Description:Fixing heater harness disconnected or broken.

Code: 77

• Description:Heater thermister short circuit.

Code: 78

• Description:Heater thermister harness disconnected or broken.