HP 301 Black Ink Cartridge 3ml. They are designed to deliver user-friendly features and great value. Print documents with laser-quality black text and sharp images that resist fading. To fit the following Deskjet Printers: 1000/ 1050/1050se/2000/ 2050/2050se/3000/ 3050/3050se 1050A/2050A/2054A/3050A/3052A/3054A. HP Ref : CH561EE