• Code: 111
• Display: Service call 111: Error
• Description: Duplex unit for other model is detected.
• Remedy: Is the Duplex unit for that specific model installed? No Install the correct duplex unit.

• Code: 112
• Display: Service call 112: Error
• Description: 2nd tray for other model is detected.
• Remedy: Is the 2nd tray for that specific model installed? No Install the correct 2nd tray.

• Code: 113
• Display: Service call 113: Error
• Description: 3rd tray for other model is detected.
• Remedy: Is the 3rd tray for that specific model installed? No Install the correct 3rd tray.

• Code: 121
• Display: Service call 121: Error
• Description: High voltage power supply interface error
• Remedy: Is the cable connecting the CU/ PU board to the high voltage unit connected normally? Have you checked defective contact of contactor points?
  Re-connect them normally. Check for defective contact of the high voltage system. Replace the high voltage power supply.

• Code: 122
• Display: Service call 122: Error
• Description: Low voltage power supply fan error
• Remedy: Is the fan (bottom right of the front) of the low voltage power supply block working? Is the fan connector connected normally?
  Check for sure connection of the fan connector. Replace the CU/ PU board. Replace the fan motor.

• Code: 123
• Display: Service call 123: Error
• Description: Environment humidity is abnormal./ Humidity sensor is not connected.
• Remedy: Does this error recur? Yes Turn off the power of the printer and back on. Replace the control panel board.

• Code: 124
• Display: Service call 124: Error
• Description: Environment temperature is abnormal.
• Remedy: Does this error recur? Yes Turn off the power of the printer and back on. Replace the control panel board.

• Code: 126
• Display: Service call 126: Error
• Description: Dew condensation of the printer is detected.
• Remedy: This error can easily occur when a printer is brought in to indoor from outdoor. Leave the printer for 2 hours or half day under room temperature, and turn on the power again. Does this error recur? Yes After leaving a printer under room temperature, turn on the power again. Replace the control panel board.