Refilled 302 Black & Colour Ink Cartridge For HP DeskJet 3630 Inkjet Printer
This is normal and does not affect the page yield or printing quality. Simply ignore any pop up warnings to continue printing. Compatible with HP DeskJet 1110 2130 2132 2133 2134 3630 3632 3633 3634 3636 3637 3638 3639 Printers.