Refilled HP 301 Black and Colour Ink Cartridge For HP OfficeJet 2622 Printer
Simply ignore the low ink warning and continue printing. HP OfficeJet 2620 2622 2624 4630 4632 4634 4636 4639 Printers. A REAL 301XL black should have a sponge visible in the lower holes if you peal off the top sticker and weigh a min 32g.