276Cleaning the DrumIf there are streaks or spots on your print, the Organic Photo Conductor (OPC) drum of the tonercartridge may require cleaning.1 Before setting the cleaning procedure, ensure that paper is loaded in the paper tray.2 Press Setup from the home screen.3 Press Maintenance Next ( ).4 Press Clean Drum.The printer prints out a cleaning page. Toner particles on the drum surface are affixed to thepaper.5 If the problem remains, repeat steps 3 through 4 until toner particles are not affixed to thepaper.Replacement PartsFrom time to time, you needs to replace the rollers and fuser unit to maintain top performance andto avoid print quality problems and paper feed problems resulting from worn parts.The following items should be replaced after you have printed the specified number of pages.To purchase replacement parts, contact your Dell dealer or the retailer where you bought yourprinter. We strongly recommend that these items be installed by a trained service professional.Item Yield (Average)DADF rubber pad Approx. 20,000 pagesTransfer roller Approx. 70,000 pagesFuser unit Approx. 80,000 pagesTray rubber pad Approx. 100,000 pagesPickup roller Approx. 150,000 pages
