Print More, Save More with RT TonerRT Compatible Brother TN336 TN336BK TN336C TN336Y TN336M Toner Cartridges• Quantity: 4 Cyan Magenta Yellow Black toner cartridges• BK Yield: 4k pages based on 5% coverage; CMY Yield: 3.5k pages based on 5% coverage.• Compatible Printers: the RT compatible Brother TN336BK TN336C TN336Y TN336M toners are designed for Brother MFC MultiFunction MFC-L8600CDW MFC-L8850CDW MFC-L9550CDW printers.The Renewable Toner Advantage• Higher print quality. The RT compatible Brother TN336 Cyan Magenta Yellow Black toner cartridges are ISO 9001 and 14001 certified and tested to ensure superior performance. • Peace of Mind. You don’t need to worry about smudges, leaks, or defects. We offer a lifetime warranty and will replace any cartridge upon request. • Superior Support. We know printing is important - that's why we have a U.S. based customer support team. We are customer obsessed! It makes our day to make you smile. Contact us with any technical or product issues and we will be happy to assist you. • Earth Friendly. We promote a cleaner, greener future. Printing Tips • A common error is the “non-genuine” message. If this occurs with the RT compatible Brother TN336BK TN336C TN336Y TN336M cartridges, press OK or Continue repeatedly to dismiss the message. The printer will resume your print job.• Despite the extreme care we take in packaging, sometimes items are damaged during shipping and this can affect print quality. In this case, we immediately send an RT compatible Brother TN336 toner cartridges. If you order more than one cartridge, please test them all.Happy Printing!