Compatible Printers: HP PageWide Pro 352dw, 377dw, 452dn, 452dw, 477dn, 477dw, 552dw, 577dw, 577dw MFP, 577z Page Yield*: 3,000 (*Average cartridge Page Yield* in accordance with ISO IEC 24711). *at 5% coverage (ISO/IEC standard) For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance. 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.