- 64 -Replacing ConsumablesReplacing Waste Toner BoxesReplacing Waste Toner Boxes1 Grasp the top cover open lever andopen the top cover.2 Prepare some newspaper or somethingto spread on a flat surface on which toplace the print cartridge set, as well assome paper so it is not exposed to light.3 Remove the print cartridge set.4 Place the removed print cartridge, andcover it with paper so it is not exposedto light.5 Prepare some newspaper or somethingto spread on a flat surface on which toplace the belt unit.6 Turn the two belt unit locking keyscounterclockwise to release the lock.Notez Be careful not to touch the nearby terminals whileturning the belt locking key.
