3Replacing Waste Toner BoxWhen “Dispose of used toner” appears on the touch panel, replace the waste toner box according to the following procedures.Replacing Waste Toner Box391Open the waste toner box cover.2Pull out the waste toner box until the openingappears.123Screw the lid on the opening of the waste tonerbox.4Holding the upper section, remove the wastetoner box.5Set a new waste toner box.6Close the waste toner box cover.Never attempt to incinerate waste toner boxes.Dispose of used toner cartridges and waste toner boxes in accordance with local regulations.