Compatible Printers: HP PageWide Pro 452dn, 452dw, 477dn, 477dw, 552dw, 577dw, 577dw MFP, 577z Compatible with Lower Yield: HP 972A / L0R89AN Magenta Page Yield*: 7,000 (*Average cartridge Page Yield* in accordance with ISO IEC 24711). *at 5% coverage (ISO/IEC standard) We carry a compatible laser toner cartridge to replace the Pagewide Pro 477dw ink toner cartridge that is guaranteed to perform well with your HP printers for home use and office use Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.