Black ink cartridge for printers using hewlett packard 301 black with high quality ink for sharp blacks ideal for text documents and grayscale images giving you the perfect print every single time suitable for deskjet 1000 series 1050 a series 2050 a series 2050 s 3000 3050 a series 3052 3054 a seriesheres the full list of printers that this cartridge will work withdeskjet 1000 series deskjet 1050a series deskjet 2050a series deskjet 2050s deskjet 2510 deskjet 2540 deskjet