41316401TH Rev.4 122 /5. PERIODIC MAINTENANCE5.1 Parts Replaced PeriodicallyIt is recommended that the following parts be periodically replaced, as specified, by users (whenthey are not replaced, the print quality is not assured and printer problems may result).Parts NameLarge-CapacityToner CartridgeToner CartridgeI/D UnitFuser UnitTransfer Belt UnitTime of ReplacementTime when “ ” isdisplayed.Toner Cartridge Time when “” is displayed.ID Time when “ ”is displayed.Fuser Unit Time when”” is displayed.Belt Unit Time when “” is displayed.Condition for Replacement10,000 pages are printed.5,000 pages are printed.20,000 pages are printed(3P/job).60,000 pages are printed.60,000 pages are printed.Adjustment after ReplacementReplace the toner cartridge.Replace the toner cartridge.Reset the drum counter after thereplacement of the drum.Reset the fuser counter.Reset the belt counter.Note: The The above periodic parts replacement is performed by users.5.2 CleaningClean the inside and outside of the printer with waste and a small vacuum cleaner (hand cleaner)as the case may be.Caution! Do not touch the terminals of the image drums, the LED lens array and the LED headconnector.5.3 Cleaning LED Lens ArrayWhen white belts or lines (void, light areas) run the length of a printed page, clean the LED lensarray.Caution! Be sure to use the LED head cleaner to clean the LED lens array (The LED head cleaneris packed together with the toner cartridge).White belt, White line (Void, Light area)5.4 Cleaning Pickup RollerWhen lines run the length of a printed paper, clean the pick up roller.Caution! Use a soft cloth so as not to damage the roller surface.