• Code: C940
• Description: Engine control logic has an error.
• Causes: Does this error recur?
• Remedy: Yes Turn off the power of the printer and back on. Replace the PU board.

• Code: C96A
• Description: High voltage power supply interface error.
• Causes: Is the cable connecting the PU board to the high voltage unit connected normally? Have you checked defective contact of contactor points?
• Remedy: No Re-connect them normally. Y Check for defective contact of the high voltage system. N Replace the high voltage power supply.

• Code: C9A0
• Description: Offline stapler error
• Causes:
• Remedy: Change the offline stapler

• Code: CE50
• Description: Environment temperature is abnormal.
• Causes: Does this error recur?
• Remedy: Yes Turn off the power of the printer and back on. Replace the Board MFH.

• Code: CE51
• Description: Environment humidity is abnormal./ Humidity sensor is not connected.
• Causes: Does this error recur?
• Remedy: Yes Turn off the power of the printer and back on. Replace the Board MFH.

• Code: CE52
• Description: Dew condensation of the printer is detected.
• Causes: 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?
• Remedy: Yes After leaving a printer under room temperature, turn on the power again. Replace the Board MFH.

• Code: CE7A
• Description: ID Up/Down position detection error
• Causes: Is the ID unit caught by anything when it is removed and reinstalled? Does this error recur?
• Remedy: Re-install the ID unit. Turn on the power again. Replace the high voltage power supply.

• Code: CE82 ... CE85
• Description: LED head detection error (CE82=Y, CE83=M, CE84=C, CE85=K)
• Causes: Is the LED head connected normally? Is the LED HEAD fuse brown? Does this error recur?
• Remedy: Install the LED head unit normally. Check the LED HEAD fuse. After checking fuse Turn on the power again. For the method of checking the LED head unit fuse,