Kingjet Compatible Ink Cartridge Replacement for HP 972A 972, Work with PageWide 377dw PageWide Pro 477dw 477dn 577dw 577z 552dw 452dn 452dw 352dw P55250dw P57750dw (Black Cyan Magenta Yellow) 4 Pack

[Reliable Compatibility] PageWide Pro MFP 352dw, 377dw, 477dw, 477dn, 577dw, 577z, 552dw, 452dn, 452dw, PageWide Managed P55250dw, P57750dw Printers in North America.
[Upgraded Chips in Jan, 2023, is applicable: 2228B] Kingjet focus on ink cartridge R&D and manufacturing over 15 years, the lastest smart chip for these Kingjet 972a 972 ink cartridges are designed accurate and highly compatibility, make it very easy to access all the printer firmware. (Most recent firmware check: July, 2022)
[Page Yield] (approx.) 4,500 pages per black, 3,000 pages per color at 5% coverage of A4 Paper.
[Package Contents] 1 x Black, 1 x Cyan, 1 x Magenta , 1 x Yellow ink cartridges 972A (Total 4 pack combo) High Capacity, 1 Piece of Instructions.
[NOTE] The printer firmware will be updated frequently, which will cause the current 972a ink cartridges stop working. Therefore, we would suggest you disable the auto update.
[ADVICE] If you are not sure what ink cartridges the printer requires, please check the label of your old ink cartridges first. It will tell you the correct ink cartridges model.