This is a 5 pack but one of the black cartridges are used. Thats why we are selling it as a 4 pack.

The TN-227BK/C/M/Y Toner Cartridge 4 Pack is designed for use with Brother printers such as HL-L3270CDW and MFC-L3770CDW. This high yield toner cartridge set includes cyan, yellow, magenta, and black colors, producing clear and vibrant prints. With a 100% positive response rating and a 3-year manufacturer warranty, this product offers reliable performance for various usage scenarios such as office, home, and school environments. It is an affordable alternative to original Brother toner cartridges, providing a cost-effective solution for your printing needs.