• Code: SC29-06
• 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: Image processing board (IPB) Printer control board (PRCB)
• Remedy: Error codes are not displayed on the operation board, but displayed only on the data collection, the list output and the CSRC. The control of the main body is made by using a data previously obtained.

• Code: SC29-07
• Description: The dirt correction of the sensor is not completed. While in the dot diameter correction, the dirt correction of the gamma sensor is not sufficient. When the SC29-4 or SC29-7 is detected ten times in succession, this error code is displayed.
• Causes: Toner control sensor board (TCSB) (gamma sensor cleaning required)
• Remedy: The main body stops immediately to turn OFF the RL1 (main).

• Code: SC29-08
• Description: Correction abnormality. While in the dot diameter correction, the correction is terminated with an abnormal value.
• Causes: Correction abnormality. While in the dot diameter correction, the correction is terminated with an abnormal value.
• Remedy: Error codes are not displayed on the operation board, but displayed only on the data collection, the list output and the CSRC. The control of the main body is made by using a data previously obtained.

• Code: SC29-09
• 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 the error code is detected 5 times in succession, this error code is displayed.
• Causes: Drum potential sensor (DPS) Printer control board (PRCB)
• Remedy: The main body stops immediately to turn OFF the RL1 (main).

• Code: SC29-10
• 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: Drum potential sensor (DPS) Printer control board (PRCB)
• Remedy: The main body stops immediately to turn OFF the RL1 (main).

• Code: SC29-11
• Description: The data is defective. While in the drum potential correction, no convergence is obtained even after correction is made more than 10 times. When this condition is detected 5 times in succession, the error code is displayed.
• Causes: Drum potential sensor (DPS) Printer control board (PRCB)
• Remedy: The main body stops immediately to turn OFF the RL1 (main).

• Code: SC29-12
• Description: Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the transfer current.
• Causes: High voltage unit /2 (HV2)
• Remedy: Error codes are not displayed on the operation board, but displayed only on the data collection, the list output and the CSRC. The control of the main body is made by using a data previously obtained.

• Code: SC29-13
• Description: Auto adjustment monitor value abnormality. No convergence is made in the auto adjustment of the separation (AC) current.
• Causes: High voltage unit /2 (HV2)
• Remedy: Error codes are not displayed on the operation board, but displayed only on the data collection, the list output and the CSRC. The control of the main body is made by using a data previously obtained.