41388601TH Rev.6 68 /Oki Data CONFIDENTIAL4. REGULAR MAINTENANCE4.1 Parts to be Replaced RegularlyIt is recommended that a user should replace the parts below regularly according to thereplacement standard. (If not replaced, print quality is not assumed or it may result in a failure.)Part NameLarge-capacityToner CartridgeToner CartridgeID CartridgeFuser UnitBelt UnitTime for ReplacementWhen the message “Toner Low”is displayed.When the message “Drum Life”is displayed.When the message “Fuser Life”is displayed.When the message “Belt Life” isdisplayed.Replacement ConditionAfter 15,000 copies havebeen printed.After 7,500 copies havebeen printed.After 26,000 copies havebeen printed. (at 3P/J)After 80,000 copies havebeen printed.After 80,000 copies havebeen printed. (at 3P/J)Adjustment after ReplacementReplace the Toner cartridge.Reset the drum counterafter drum replacement.Reset the fuser counter.Reset the belt counter.The above regular part replacement is performed by a user.4.2 CleaningThe inside and outside of this printer should be cleaned with wastes and hand cleaner, if necessary.Note: Do not touch the Image drum terminal, LED lens array and LED head connectors.4.3 Cleaning of LED Lens ArrayWhen a longitudinal white band or stripes (that is, void or light printing) appear on a printed papersurface, the LED lens array should be cleaned.Note: The LED head cleaner must be used to clean the LED lens array. (The LED head cleaneris included in the Toner cartridge box.)4.4 Cleaning of Pick-up RollerWhen papers are not fed normally, the Pick-up roller should be cleaned.Note: Clean it with such as soft clothes and alcohol. Be cautious not to damage the roller surface.White band, white stripes(Void or light printing)