Replaces P/N F6U66AE. This is normal and does not affect the page yield or printing quality. Simply ignore any pop up warnings to continue printing. HP OfficeJet 3830 3831 3832 3833 3834 3835 4650 4651 4652 4654 4655 4656 5220 5230 5232 5255 4657 4658 Printers.
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