HP 79A Black Original LaserJet Toner Cartridge SpecificationsSELECTABILITY79ACARTRIDGE COLORSBlackPAGE YIELD (BLACK AND WHITE)1,000 pagesPAGE YIELD FOOTNOTEApproximate average yield based on ISO/IEC 19752. Actual yield varies considerably based on content of printed pages and other factors. For deta..