Replacing consumable items > 53TONER CARTRIDGE REPLACEMENTFor the protection of your product, and in order to ensure that you benefit from its fullfunctionality, this model has been designed to operate only with genuine original tonercartridges. Any other toner cartridge may not operate at all, even if it is described as“compatible”, and if it does work, your product's performance and print quality may bedegraded.Non-genuine original products may invalidate your warranty.The toner used in this printer is a very fine dry powder. It is contained in four cartridges:one each for cyan, magenta, yellow and black.Have a sheet of paper handy so that you have somewhere to place the used cartridge whileyou install the new one.Dispose of the old cartridge responsibly, inside the pack that the new one came in. Followany regulations, recommendations, etc., which may be in force concerning waste recycling.If you do spill any toner powder, lightly brush it off. If this is not enough, use a cool, dampcloth to remove any residue.Do not use hot water, and never use solvents of any kind. They will make stains permanent.1. Press the cover release and open the printer’s top cover fully.CAUTION!To avoid toner wastage and possible toner sensor errors, do notchange the toner cartridge(s) until “TONER EMPTY” is displayed.WARNING!If you inhale any toner or get it in your eyes, drink a little water orbathe your eyes liberally in cold water. Seek medical attentionimmediately.WARNING!If the printer has been powered on, the fuser may be hot. This areais clearly labelled. Do not touch.