• Code: 106
• Display: Service Call 106: Error
• Description: Error detected in engine control logic.
• Remedy: Does the Error take place again? Replace engine control PCB (S2V).

• Code: 111 ... 117
• Display: Service Call 111: Error to 117: Error
• Description: An optional unit for another model was detected.
  111: Duplex unit 112: 2nd Tray 113: 3rd Tray 114: 4th Tray 115: 5th Tray 116: Finisher 117: Inverter
• Remedy: Is the proper optional unit for that model mounted?
  Mount the proper optional unit. Check the connection. Then turn ON the power again. Replace the unit if operations is not restored.

• Code: 121
• Display: Service Call 121: Error
• Description: Low Voltage Power FAN Error
• Remedy: 1) Is the PU PCB high voltage power cable properly connected? 2) Does the Error take place again?
  Connect properly Check to see if there is any contact-defects in the high voltage system. Replace High Voltage Power Unit

• Code: 123
• Display: Service Call 123: Error
• Description: Sensor detects an inappropriate relative humidity for the operating environment.
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Replace the environmental sensor.

• Code: 124
• Display: Service Call 124: Error
• Description: Sensor detects an inappropriate room temperature for the operating environment.
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Replace the environmental sensor.

• Code: 125
• Display: Service Call 125: Error
• Description: Error detected in MT home position.
• Remedy: 1) Is an Error message displayed? 2) Does the Error take place again?
  Turn ON power again. Replace MT

• Code: 126
• Display: Turn OFF the power and wait for awhile. 126: Dew Error
• Description: Sensor Dew Error
• Remedy: Sensor Dew Error Detected. Wait a while then turn ON power again.

• Code: 127
• Display: Service Call 127: Error
• Description: Fuser Cooling FAN Error
• Remedy: 1) Is the fuser cooling fan operating? 2) Cooling fan is replaced but Error occurs again. Replace fuser cooling fan. Replace engine control PCB (S2V). Replace engine control PCB (S2V).