Display: Power off/on 002:Error ~ 005:Error 006:Error 007:Error
Description: CPU Exception
Causes: Is the error issued again?
Remedy: If RAM DIMM is installed, remove it, and turn the power off and on again. Replace the TBR PCB. Install the RAM DIMM again. Replace the RAM DIMM.
Code: 020
Display: Service 020:Error
Description: CU ROM Hash Check Error
Causes: Does error display reappear?
Remedy: Power OFF/ON Replace TBR PCB.
Code: 025
Display: Service call 025:Error
Description: CU Font ROM Hash Check Error
Causes: A font ROM hash check error was detected. (On printers for domestic market only)
Remedy: Power OFF/ON Replace TBR PCB.
Code: 030
Display: Service call 030:Error
Description: CU RAM Check Error
Causes: Does error display reappear?
Remedy: Power OFF/ON Replace TBR PCB.
Code: 031
Display: Service call 031:Error
Description: CU Optional RAM Check Error
Causes: Is RAM DIMM set properly? Is error recovered by replacing RAM DIMM?