• Code: C-2803#
• Description: The IDC sensor board (IDCB) output abnormality. While in the maximum density correction, a patch for control is not output. (No output is made from the IDCS. )
• Causes: Cleaning of the IDC sensor Confirmation of the wiring harness and the connector IDC sensor board (IDCB) Developing motor (M3) Printer control board (PRCB) Overall control board (OACB) Write unit

• Code: C-2804#
• Description: The dirt correction of the sensor is not completed. While in gamma correction, the dirt correction of the IDC sensor is not sufficient. When C-2804 or C- 2807 is detected 10 times in succession, the error code is displayed.
• Causes: Cleaning of the IDC sensor Confirmation of the wiring harness and the connector IDC sensor board (IDCB) Developing motor (M3) Printer control board (PRCB) Overall control board (OACB) Write unit

• Code: C-2805#
• Description: The IDC sensor board (IDCB) output abnormality. While in the gamma correction, a patch for control is not output. (No output is made from the IDCB. )
• Causes: Cleaning of the IDC sensor Confirmation of the wiring harness and the connector IDC sensor board (IDCB) Developing motor (M3) Printer control board (PRCB) Overall control board (OACB) Write unit

• Code: C-2806#
• Description: The gamma correction data is defective. The gamma correction output is abnormal. A regression error when carrying out a gamma curve operation while in the gamma correction.
• Causes: Cleaning of the IDC sensor Confirmation of the wiring harness and the connector IDC sensor board (IDCB) Developing motor (M3) Printer control board (PRCB) Overall control board (OACB) Write unit

• Code: C-2807#
• Description: The dirt correction of the sensor is not completed. While in the dot diameter correction, the dirt correction of the IDC sensor is not sufficient. When C-2804 or C- 2807 is detected 10 times in succession, the error code is displayed.
• Causes: Cleaning of the IDC sensor Confirmation of the wiring harness and the connector IDC sensor board (IDCB) Developing motor (M3) Printer control board (PRCB) Overall control board (OACB) Write unit

• Code: C-2808#
• Description: Correction abnormality. While in the dot diameter correction, the correction is terminated with an abnormal value.
• Causes: Cleaning of the IDC sensor Confirmation of the wiring harness and the connector IDC sensor board (IDCB) Developing motor (M3) Printer control board (PRCB) Overall control board (OACB) Write unit

• Code: C-2809#
• Description: Drum potential sensor (DPS) output abnormality. While in the 0V check of the DPS, more than 100V of the drum surface potential is detected more than 5 times. When this condition is detected 5 times in succession, the error code is displayed.
• Causes: Confirmation of the wiring harness and the connector Drum potential sensor board (DPSB) Drum potential sensor (DPS) Printer control board (PRCB)

• Code: C-2810
• Description: Drum potential sensor (DPS) output abnormality. While in the drum potential correction, a patch for control is not output with the V1 getting to more than 350V. When this condition is detected 5 times in succession, the error code is displayed.
• Causes: Confirmation of the wiring harness and the connector Drum potential sensor board (DPSB) Drum potential sensor (DPS) Printer control board (PRCB)