The Brother HL-3170CDW laser toner cartridge from E-Z ink Products is a 100% brand new compatible laser toner that is Guaranteed to meet or exceed the print quality of the OEM (Original Equipment Manufacturer) Brother TN221 and TN225 laser toner cartridge. Purchasing our Brother HL-3170CDW laser toner is an excellent way to save money without sacrificing quality. Our Brother HL-3170CDW laser toner cartridge has a '100% Satisfaction 100% Quality & Satisfaction Guarantee'. The use of our compatible laser toner for the Brother HL-3170CDW does not void your printer's warranty. OEM laser toner cartridges are also available for your Brother HL-3170CDW printer.