L-ink brand compatible ink and toner cartridges have long been synonymous with quality and efficiency in the printing consumables industry. All of our L-ink brand cartridges go through rigorous quality control and testing, and are certified ISO14001 and ISO9001Our L-ink brand compatible drum unit offers a more economical option to the BROTHER DR-221CL original drum unit, without sacrificing quality and performance. You can safely rely on L-ink brand cartridges to deliver true-to-life photos, rich laser quality text, and sharp images without the risk of bleeding or smudging. Compatible Printer list for L-ink DR-221CL drum unit:• HL3140CW• HL3150CDW• HL3170CDW• MFC9130CDW• MFC9140CDN• MFC9330CDW• MFC9340CDW