• Code: 114
• Display: Service Call 114:Error
• Description: A 4th Tray for another model was detected.
• Remedy: Is a 4th Tray provided for this model installed? Yes Install a correct 4th Tray.

• Code: 115
• Display: Service Call 115:Error
• Description: A 5th Tray for another model was detected.
• Remedy: Is a 5th Tray provided for this model installed? Yes Install a correct 5th Tray.

• Code: 121
• Display: Service Call 121:Error
• Description: High voltage power supply interface error
• Remedy: Is the fuse on the printer control PCB blown? Yes Replace the printer control PCB (then check the following).
  Is the cable connecting the printer control PCB to the high voltage power supply unit connected properly? No Re-connect it properly. Yes Check for defective contact points of the high voltage system.
  Is there any defective contact point? No Replace the high voltage power supply unit.

• Code: 123
• Display: Service Call 123:Error
• Description: Abnormal environment humidity or unconnected humidity sensor
• Remedy: Power OFF/ON. Does this error recur? Yes Replace the environmental sensor board and the FFC.
  Does this error recur? Yes Replace the printer control PCB.

• Code: 124
• Display: Service Call 124:Error
• Description: Abnormal environment humidity
• Remedy: Power OFF/ON. Does this error recur? Yes Replace the environmental sensor board and the FFC.
  Does this error recur? Yes Replace the printer control PCB.

• Code: 125
• Display: Service Call 125:Error
• Description: Multi-purpose Tray Home Error
• Remedy: Does the motor un in the motor testing of the PU self-diagnostic mode. Yes Check the sensor cable for a break or short, and the connector semilocking relay PCB and the printer control PCB for abnormal condition. No Check the hopping motor and the gear train for abnormal condition.

• Code: 126
• Display: Power Off and Wait for a while 126:Condensing Error
• Description: Dew condensation in the printer was detected.
• Remedy: This error tends to occur after a printer is carried in from the outsides. Leave the printer for 2 hours to half a day at room temperature, and turn on the power. After leaving the printer at room temperature, turn on the power again. Does this error recur? Yes Replace the environmental sensor board and the FFC. Does this error recur? Yes Replace the printer control PCB.

• Code: 128
• Display: Service Call 128:Error
• Description: 01: Fuser Exhaust Fan 1 02: Low Voltage Fan 03: PU Fan 05: Station 1 ID Intake Fan 09: Second Transfer Adsorption Fan 0A: Fuser Intake Fan 0B: Station 2 ID Intake Fan 0C: Duplex Fan 0D: Fuser Exhaust Fun 2 0E: Station 3 ID Intake Fan 0F: Station 4 ID Intake Fan 10: Station 5 ID Intake Fan
• Remedy: Is the cable to respective fans connected properly? No Re-connect the fan properly. Yes Replace the fan motor. Does this error recur? No Replace the applicable PCB. 01: Driver relay PCB 02: Printer control PCB 03: Printer control PCB 05: Driver relay PCB 09: Rail unit relay PCB 0A: Driver relay PCB 0B: Driver relay PCB 0C: Duplex unit PCB 0D: Driver relay PCB 0E: Driver relay PCB 0F: Driver relay PCB 10: Driver relay PCB