Remedy: A font ROM hash check error was detected. (On printers for domestic market only) Power OFF/ON Replace TBR/TB2-6 PCB.
Code: 030
Display: Service call 030:Error
Description: CU Optional RAM Check Error
Remedy: Does error display reappear? Yes Power OFF/ON Replace TBR/TB2-6 PCB.
Code: 031
Display: Service call 031:Error
Description: CU Optional RAM Check Error
Remedy: Is RAM DIMM set properly? Is error recovered by replacing RAM DIMM? Reset RAM DIMM. Replace RAM DIMM. Replace TBR/TB2-6 PCB.
Code: 036
Display: Service call 036:Error (C5900)
Description: RAM Spec Error Unsupported DIMM specification of the CU RAM
Remedy: Is a genuine RAM DIMM in use? Is the RAM DIMM installed properly? Is the fault recovered when the RAM DIMM is replaced? Use genuine RAM DIMM. Reset RAM DIMM. Replace RAM DIMM. Replace TBR/TB2-6 PCB
Code: 040
Display: Service call 040:Error
Description: CU EEPROM Error
Remedy: Does error display reappear? Yes Power OFF/ON Replace TBR/TB2-6 PCB
Code: 041
Display: Service call 041:Error
Description: CU Flash Error Flash ROM Error on the CU board.
Remedy: Does error display reappear? Yes Power OFF/ON Replace TBR/TB2-6 PCB
Code: 042, 043, 045
Display: Service call 042~ 043:Error 045:Error
Description: Flash File System Error Access to the Flash ROM directly mounted on the CU PCB has failed.
Remedy: Access to the Flash ROM directly mounted on the CU PCB failed. Flash File System Error Access to the Flash ROM directly mounted on the CU PCB failed. Conduct forced initialization of the Flash (Notice that NIC-F/ W will also be erased. It needs to be written with the Maintenance Utility after the initialization.) Execute FLASH FORMAT of MAINTENANCE MENU of the System Maintenance Menu. When "FLASH FORMAT" is displayed, release the key and wait till "ONLINE" (approx. 2 min.). If the symptom does not change, replace the TBR/ TB2-6 PCB.
Code: 051
Display: Service call 051:Error(C5900)
Description: CU Fan Error Abnormal CPU cooling fan on CU board.
Remedy: Is CU Fan connector set properly? Is error recovered by replacing fan? No Yes No Connect properly. Replace fan. Replace TBR/TB2-6 PCB.