Oki Data CONFIDENTIAL43627911TH Rev. 3 179 /TroubleshootingTrouble is displayedon LCD as amessage.Repair the malfunctionusing the "LCD MessageList". (Refer to Section7.5.1)Repair the malfunction indetail using thetroubleshooting flow chart.(Refer to Section 7.5.2)Abnormal image(and trouble that isnot displayed asmessage on LCD).Repair the malfunction indetail using thetroubleshooting flow chart.(Refer to Section 7.5.3)7. MALFUNCTION REPAIR PROCEDURE7.1 Precautions Before Repairs(1) Check the basic inspection items indicated in the User’s Manual.(2) Learn from the customer the details on when malfunction occurs.(3) Inspect the state that closely resembles the state of a malfunction.7.2 Items to Check Before Remedying Abnormal Image(1) Is the environmental conditions of this equipment appropriate?(2) Have the consumable parts (toner, drum cartridge) been properly replaced?(3) Is there anything wrong with the paper? Refer to the paper speciication for moredetails on this.(4) Is the drum cartridge properly set?7.3 Precautions Before Remedying Abnormal Image(1) Do not touch OPC drum surface with hand or foreign substance.(2) Do not expose the OPC drum to direct sunlight.(3) The fuser unit is hot. Therefore, do not touch with hands.(4) Do not expose the image drum to more than 5 minutes of light. This includes roomlighting, as well.7.4 Troubleshooting Preparations(1) Operation Panel DisplayThe troubleshooting state of this machine will be displayed on the LCD (Liquid Crys-tal Display) of the operator panel.Take appropriate repair/maintenance measures according to the message displayedon the LCD.7.5 TroubleshootingWhen this printer troubleshoots, ind the cause of trouble using the following procedure.
