10Open thefront cover.1Press the release latches on the sides of the unit and gently pull the cover forward.Installing the FX-3 Toner CartridgeSpilled toner can stain any surface. Open the FX-3 Toner Cartridge very carefully.See your User's Manual for complete details on toner cartridge maintenance.Caution2Prepare thetoner cartridge. Remove the new FX-3 Toner Cartridge from its protective bag.Save the protective bag; you may need to repack the cartridge later.Gently rock the cartridge from front to back and from side to side several timesto distribute the toner evenly inside the cartridge.Poor print quality may result if the toner becomes unequally distributedinside the cartridge.