This 2-pack CF226A 26A toner cartridge is a compatible product designed to work with HP LaserJet Pro M402n MFP, M426fdw, M402d, M402dn, M402dw, MFP M426dw, MFP M426fdn, and other compatible printers. It uses laser print technology and produces black color output with a page output of 3,100 pages at 5% coverage(A4 letter). The cartridge is backed by a 2-year manufacturer warranty and is sold by InnoInk.