• Code: C0BA0
• Description: Finishing option Elevator drive malfunction
• Remedy:

• Code: C0BF1
• Description: Finishing option Backup RAM failure
• Remedy:

• Code: C0F30
• Description: Abnormally low toner density detected Cyan ATDC Sensor
  • T/C 0.21 % or less is detected ten consecutive times in the Developing Unit as validated through the toner replenishing amount determination control.
• Remedy: 1 Perform image troubleshooting procedure if image density is low. 2 Clean the ATDC Sensor window on the underside of the Imaging Unit if dirty 3 Correct the ATDC Sensor spring moving part if faulty. 4 Clean the ATDC Sensor LED if dirty. 5 Change ATDC Sensor C/M/Y. 6 M3, M4 operation check M3: PWB-MC PJ16MC-4A~7A (Pulse Output) M4: PWB-MC PJ16MC- 10A~13A (Pulse Output) M3: 19-I M4: 19-J. 7 Change Imaging Unit. 8 Change PWB-MC. 9 Change PWB-MFP.

• Code: C0F31
• Description: Abnormally high toner density detected Cyan ATDC Sensor
  • T/C 15.5 % or more is detected ten consecutive times in the Developing Unit as validated through the toner replenishing amount determination control.
• Remedy: 1 Clean the ATDC Sensor window on the underside of the Imaging Unit if dirty 2 Clean the ATDC Sensor LED if dirty. 3 Correct the contact and/or WIRING of the ATDC Sensor if faulty. 4 Change ATDC Sensor C/M/Y. 5 Change Imaging Unit. 6 Change PWB-MC. 7 Change PWB-MFP.

• Code: C0F32
• Description: Abnormally low toner density detected Magenta ATDC Sensor
  • T/C 0.21 % or less is detected ten consecutive times in the Developing Unit as validated through the toner replenishing amount determination control.
• Remedy: 1 Perform image troubleshooting procedure if image density is low. 2 Clean the ATDC Sensor window on the underside of the Imaging Unit if dirty 3 Correct the ATDC Sensor spring moving part if faulty. 4 Clean the ATDC Sensor LED if dirty. 5 Change ATDC Sensor C/M/Y. 6 M3, M4 operation check M3: PWB-MC PJ16MC-4A~7A (Pulse Output) M4: PWB-MC PJ16MC- 10A~13A (Pulse Output) M3: 19-I M4: 19-J. 7 Change Imaging Unit. 8 Change PWB-MC. 9 Change PWB-MFP.

• Code: C0F33
• Description: Abnormally high toner density detected Magenta ATDC Sensor
  • T/C 15.5 % or more is detected ten consecutive times in the Developing Unit as validated through the toner replenishing amount determination control.
• Remedy: 1 Clean the ATDC Sensor window on the underside of the Imaging Unit if dirty 2 Clean the ATDC Sensor LED if dirty. 3 Correct the contact and/or WIRING of the ATDC Sensor if faulty. 4 Change ATDC Sensor C/M/Y. 5 Change Imaging Unit. 6 Change PWB-MC. 7 Change PWB-MFP.

• Code: C0F34
• Description: Abnormally low toner density detected Yellow ATDC Sensor
  • T/C 0.21 % or less is detected ten consecutive times in the Developing Unit as validated through the toner replenishing amount determination control.
• Remedy: 1 Perform image troubleshooting procedure if image density is low. 2 Clean the ATDC Sensor window on the underside of the Imaging Unit if dirty 3 Correct the ATDC Sensor spring moving part if faulty. 4 Clean the ATDC Sensor LED if dirty. 5 Change ATDC Sensor C/M/Y. 6 M3, M4 operation check M3: PWB-MC PJ16MC-4A~7A (Pulse Output) M4: PWB-MC PJ16MC- 10A~13A (Pulse Output) M3: 19-I M4: 19-J. 7 Change Imaging Unit. 8 Change PWB-MC. 9 Change PWB-MFP.

• Code: C0F35
• Description: Abnormally high toner density detected Yellow ATDC Sensor
  • T/C 15.5 % or more is detected ten consecutive times in the Developing Unit as validated through the toner replenishing amount determination control.
• Remedy: 1 Clean the ATDC Sensor window on the underside of the Imaging Unit if dirty 2 Clean the ATDC Sensor LED if dirty. 3 Correct the contact and/or WIRING of the ATDC Sensor if faulty. 4 Change ATDC Sensor C/M/Y. 5 Change Imaging Unit. 6 Change PWB-MC. 7 Change PWB-MFP.