The 2PK TN-770 TN770 Toner cartridge is a compatible product designed for use in select Brother printers such as the HL-L2370DW, HL-L2370XL, MFC-L2750DW, and others. This toner cartridge is specifically designed for black printing with a page output of up to 4,500 pages. It features a new IC chip for compatibility and is compatible with various Brother printer models. The laser print technology ensures high-quality and crisp black prints, making it a reliable choice for professional printing needs. This product is an ideal choice for those looking to save money on printing supplies without sacrificing quality.