OKI ES1220n

• Code: 072
• Display: Power off/on 072:Error xx
• Description: Engine I/F Error I/F error between PU-CU.
• Causes: Is CU assembly set properly? Is error recovered by replacing ARC/OWL board?
• Remedy: Set properly. Replace ARC/OWL/ SPA board. Replace PU board (RSN)

• Code: 073
• Display: Power off/on 073:Error xxxxxxxx
• Description: Video Error Fault detected when image data is extended.
• Causes: Is CU assembly set properly? Fault again? Is CU assembly set properly?
• Remedy: Set properly. Replace to highperformance PC or drop resolution of data and print again. Replace ARC board Set properly. Replace OWL/SPA board.

• Code: 074, 075
• Display: Power off/on 074:Error xxxxxxxx 075:Error xxxxxxxx
• Description: Video Error Fault detected when image data is extended.
• Causes: Is CU assembly set properly?
• Remedy: Set properly. Replace ARC/OWL/ SPA board.

• Code: 104
• Display: Service call 104:Error
• Description: Engine EEPROM setting check is OK when power ON. Then detect read/ write error.
• Causes: Does error reoccur?
• Remedy: Power OFF/ON Replace PU board (RSN)

• Code: 105
• Display: Service call 105:Error
• Description: Read/ write error in the setting check of engine EEPROM when power on.
• Causes: Does error reoccur?
• Remedy: Power OFF/ON Replace PU board (RSN)

• Code: 106
• Display: Service call 106:Error
• Description: Abnormal engine control logic.
• Causes: Does error reoccur?
• Remedy: Power OFF/ON Replace PU board (RSN)