Refilled HP 301XL Black / Colour Ink Cartridge For OfficeJet 4630 Inkjet Printer
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. Simply ignore the low ink warning and continue printing. HP OfficeJet 2620 2622 2624 4630 4632 4634 4636 4639 Printers.