Display: Restart the printer. 002: Error~ 005: Error
Description: CPU Exception
Remedy: Does the error display recur? If the RAM DIMM is installed, remove it and turn off the power of the printer and back on. Replace the CU board. Re-install the RAM DIMM. Replace the RAM DIMM.
Code: 020
Display: Service call 020: Error
Description: CU ROM Hash Check Error
Remedy: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.
Code: 030
Display: Service call 030: Error
Description: CU RAM Check Error
Remedy: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.
Code: 031
Display: Service call 031: Error
Description: CU Optional RAM Check Error
Remedy: Is installation of the RAM DIMM normal? Does the printer recover from the error when the RAM DIMM is replaced? Re-install the RAM DIMM. Replace the RAM DIMM. Replace the CU board.
Code: 040
Display: Service call 040: Error
Description: CU EEPROM Error
Remedy: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.
Code: 041
Display: Service call 041: Error
Description: CU Flash Error. Flash ROM Error on the CU board
Remedy: Does the error display recur? Yes Turn off the power of the printer and back on. Replace the CU board.