Intro-10Installing the Toner CartridgeInstall or replace the toner cartridge while the printer is on (if the power is not on, the cartridge carrierwill not rotate).1. After confirming the "Insert Black Toner(K)" message, open the front door.2. Hold the tape on the protective cover and pull it forward to remove the cover from each car-tridge slot.• You need to remove the protective cover only the first time that you install the toner.• Dispose of the protective cover after you remove it.• The protective cover is attached to each toner cartridge mount.3. Make sure the color of the toner cartridge matches the slot on the toner cartridge carrier. Theorder is K, Y, M, C. Gently shake the cartridge to distribute the toner evenly.