403. MaintenanceReplacing the toner cartridge• Before opening the top cover, close the output support first.• Do not use sharp objects such as a knife or scissors to open the toner cartridge package. They might scratch the drum of the cartridge.• If toner gets on your clothing, wipe it off with a dry cloth and wash clothing in cold water. Hot water sets toner into fabric.• Shake the toner cartridge thoroughly, it will increase the initial print quality.• Do not touch the green side of the toner cartridge. Use the handle on the cartridge to avoid touching this area.When a toner cartridge has reached the end of life, the machine will stop printing.