Replacing the toner cartridge• Shake the toner cartridge thoroughly, it will increase the initial print quality.• Illustrations on this user’s guide may differ from your machine depending on its options or models. Check your machine type (see "Front view" on page 17).• To prevent damage to the toner cartridge, do not expose it to light for more than a few minutes. Cover it with a piece of paper, if necessary.• Do not touch the green area of the toner cartridge. Use the handle on the cartridge to avoid touching this area.• 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.• When opening a scan unit, hold the document feeder and scan unit together.When a toner cartridge has reached the end of life, the machine will stop printing.3. Maintenance 54