• Code: 106
• Display: Service Call 106: Error
• Description: Error detected in engine control logic.
• Remedy: Does the Error take place again? Yes Replace engine control PCB (S2X).

• 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: 4thTray, 115: 5th Tray, 116: Finisher, 117: Inverter
• Remedy: Is the proper optional unit for that model mounted? No Mount the proper optional unit. Check the connection. Then turn ON the power again. No Replace the unit if operations are 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? No Connect properly Yes Check to see if there is any contact-defects in the high voltage system. Replace High Voltage Power Unit 2) Does the Error take place again?

• 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? Yes Turn ON power again. 2) Does the Error take place again? Yes 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? Yes Turn ON power again. 2) Does the Error take place again? Yes Replace the environmental sensor.

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

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

• Code: 128
• Display: Service Call 128: Error
• Description: Engine FAN Motor Error
• Remedy: Error was detected in each fan. 01: Fuser FAN Error 02: Power FAN Error 03: PU Motor FAN Error 04: Belt FAN Error 05: IDFAN Error 06: Top Cover FAN Error Is the applicable location of the fan connection normal? If the condition does not change. Replace fan.