Oki Data CONFIDENTIAL45487001TH Rev.1 6-63 /6. Troubleshooting procedure(15-3) Error caused by the defective mechanismCheck item Check work Actions to be takenat NG(15-3-1) Mechanical load applied to the ID unitID unit Check if a heavy mechanical load is beingapplied to the ID unit due to breakage of thewaster toner belt, or not.Replace the IDunit.If any attemptof using newID unit as atrial is goingto be made,be sure to usethe SystemMaintenanceMenu FUSEKEEP MODE.(15-3-2) Motor operating conditionID motor Confirm that the respective ID motors worknormally or not by using the Motor & ClutchTest of the self-diagnostic mode.Check if any extra load exists or not.Replace thePU/CU boardor the ID motor.6.5.2.(16) Fuse cut error (Errors 155)(16-1) Fuse cut errorCheck item Check work Actions to be takenat NG(16-1-1) Check the system connectionCable connectingthe PU/CU boardCheck if the HEAT connector of the PU/CUboard is connected halfway, or inserted at anangle.Check if cable has open-circuit or its sheath ispeeled off.Connect thecable normally.Alternately,replace thecable.(16-1-2) Fuse cut circuitPU/CU board Upon completion of the system connectioncheck, turn off the power once and back on.The check if the error occurs or not.Replace thePU/CU board.
