Description: Machine Check Exception Hardware fault detected. (Board defectiveness or Shortage of power supply volume)
Remedy: Replace TB3 board
Code: 002 ... 007
Display: Service call 002: Error 005: Error
Description: CPU Excepption
Remedy: Is the error message displayed again? If the RAM DIMM is mounted, remove it and turn the power supply off/ON. Replace TB3 board Remount RAM DIMM Replace RAMDIMM
Code: 020
Display: Service call 020:Error
Description: CU ROM Hash Check Error
Remedy: Does error display reappear? Power OFF/ON Replace TB3 board
Code: 025
Display: Service call 025:Error
Description: CU Font ROM Hash Check Error
Remedy: A font ROM hash check error was detected. (On printers for domestic market only) Power OFF/ON Replace TB3 board
Code: 030
Display: Service call 030: Error
Description: CU RAM Check Error
Remedy: Is the error message displayed again? Power supply OFF/ON Replace TB3 board
Code: 031
Display: Service call 031: Error
Description: CU Optical RAM Check Error
Remedy: Is RAM DIMM installed properly? Does it restore by exchanging RAM DIMM? Remount RAM DIMM Replace RAMDIMM Replace TB3 board