TRUE IMAGE HECB540A-B125A Compatible Toner Cartridge Replacement for HP CB540A (Black) Premium quality toner with easy to install design Estimated page yield of 2,200 pages @ 5% coverage based on ISO/IEC 19752 (letter/A4 size) Compatible with HP printers: Color LaserJet CP1215, CP1515N, CP1518NI, CM1312, CM1312NFI; Canon i-Sensys LBP5050, MF8050CN, MF8030CN, MF8080CW, MF8040CN 1-pack True Image high yield black toner cartridge replaces HP CB540A Warranty: Lifetime 100% satisfaction guarantee