Starink TN221 TN225 Black Compatible Toner Cartridge TN-221 TN-225 Replacement for Brother HL-3140CW HL-3150CDN HL-3170CDW HL-3180CDW; MFC-9130CW MFC-9140CDN MFC-9330CDW MFC-9340CDW; DCP-9020CDN - [Package]: 1 black TN221 toner cartridge, NON-OEM - [Page Yield]: up to 2,500 pages at 5% coverage - [Premium Quality]: Built to ISO9001 and ISO14001 Factory Standard, Easy to install, High Cost-effective - [Compatible with]: HL-3140CW HL-3150CDN HL-3170CDW HL-3180CDW; MFC-9130CW MFC-9140CDN MFC-9330CDW MFC-9340CDW; DCP-9020CDN printer - [Warranty]: Starink offers One-year warranty with 100% Quality Satisfaction Guarantee, 18 months shelf time. If you encounter any problem, please CONTACT US Brother DCP-9020CDW Laser Printer Brother DCP-9020CDN Laser Printer Brother HL-3140CW Laser Printer Brother HL-3150CDW Laser Printer Brother HL-3150CDN Laser Printer Brother HL-3170CDW Laser Printer Brother MFC-9130CW Laser Printer Brother MFC-9140CDN Laser Printer Brother MFC-9330CDW Laser Printer Brother MFC-9340CDW Laser Printer Manufactured in ISO 9001 Certified Facility Innovative technology to ensure full working capacity Open the front access door and pull out the print cartridge drawer. Take out the used toner cartridge and unpack the new toner cartridge. Gently rock the toner cartridge from side to side to distribute the toner. Remove the protective plastic shield. Please do not touch the PCR(Primary Charge Rollers). Inset the new toner into the correct slot. Close the print cartridge drawer and the front access door.