Notes, cautions and warnings > 8NOTES, CAUTIONS AND WARNINGSFor 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.Use of non-genuine products may invalidate your warranty.Specifications subject to change without notice. All trademarks acknowledged.NOTEA note provides additional information to supplement the main text.CAUTION!A caution provides additional information which, if ignored, mayresult in equipment malfunction or damage.WARNING!A warning provides additional information which, if ignored, mayresult in a risk of personal injury.