HP 841 PageWide XL Printheads provide reliable and long-life operation, with an average life per printhead of 32 liters.Compatible Printers: HP PageWide XL 4500, HP PageWide XL 4500 Series, HP PageWide XL 8000, HP PageWide XL 4500 PS, HP PageWide XL 5100, HP PageWide XL 5100 MFP, HP PageWide XL 6000, HP PageWide XL 4600, HP PageWide XL 4600 MFP, HP PageWide XL 5100 Series, HP PageWide XL 4600 Series, HP PageWide XL 5200, HP PageWide XL 4200, HP PageWide XL 5200 Series, HP PageWide XL 4200 Series, HP PageWide XL 5200 MFP, HP PageWide XL 8200, HP PageWide XL 4200 MFP, HP PageWide XL 3900, HP PageWide XL 3920