2x Refilled HP 301XL Black & 1x Colour Ink Cartridge For OfficeJet 4636 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 Printer.