• Code: 124
• Display: Service call 124: Error
• Description: Abnormal environment humidity
• Remedy: Does this error recur? Yes Cycle the power. Replace the control panel board (PCQ board).

• Code: 126
• Display: Power off/on 126: 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. Does this error recur?
  After leaving the printer at room temperature, turn on the power again. Replace the control panel board (PCQ board).

• Code: 127
• Display: Service call 127: Error
• Description: Fuser FAN error
• Remedy: Is the FAN connector connected properly? Does this error recur?
  Re-connect it properly. Replace the FAN motor. Replace the CU/ PU board.

• Code: 128
• Display: Service call 128: Error
• Description: Fan motor abnormality 04: Belt FAN 05: Fuser side FAN 08: ID motor FAN
• Remedy: Is the cable to respective fans connected properly? Does this error recur? Does this error recur?
  Connect the FAN connector properly. Replace the FAN. Replace the CU/ PU board.

• Code: 131 ... 134
• Display: Service call 131: Error to 134: Error
• Description: LED head detection error (131=Y, 132=M, 133=C, 134=K)
• Remedy: Is the LED head connected properly? Is the LED HEAD fuse brown? Does this error recur?
  Install the LED head unit properly. Check the LED HEAD fuse. Replace the fuse. Restore the power. Replace the LED head unit.

• Code: 142
• Display: Service call 142: Error
• Description: Image drum Up/Down position detection error
• Remedy: Is the image drum unit caught by anything when it is removed or re-installed? Does this error recur at power on? Is the cable connected properly?
  Re-install the image drum unit. Check connection through the CU/PU board, the relay connector, and the ID up/down clutch. Connect it properly. Replace the CU/ PU board.

• Code: 154
• Display: Service call 154: Error
• Description: The belt unit fuse blown out.
• Remedy: Is the belt unit connected properly? Does this error recur?
  Re-install the belt unit. Restore the power. After checking for cable connection, replace the CU/PU board.

• Code: 155
• Display: Service call 155: Error
• Description: The fuser unit fuse blown out.
• Remedy: Is the fuser unit installed properly? Does this error recur?
  After cleaning the connector of the fuser unit, re-install the fuser unit. Restore the power. After checking for cable connection, replace the CU/PU board.