ZIPRINT Remanufactured Ink Cartridge Replacement for HP 61XL 61 Black Ink Cartridge for Envy 4500 5530 5534 5535 Deskjet 2540 1000 1010 1512 1510 3050 Officejet 4630 2620 4635 (2-Pack)

Content: 2 x 61XL Black High Yield: Up to 480 pages for each 61XL BK cartridge. (5% coverage) Compatible printers: Envy Series: Envy 4500, 4501, 4502, 4503, 4504, 4505 Envy 5530, 5531, 5532, 5534, 5535, 5539 Deskjet Series: Deskjet 1000, 1010, 1012, 1050, 1051, 1055 Deskjet 1056, 1510, 1512, 2000, 2050, 2510 Deskjet 2512, 2514, 2540, 2541, 2542, 2543 Deskjet 2544, 2646, 2547, 2548, 2549, 3000 Deskjet 3050, 3054, 3510, 3511, 3512, 3516 Deskjet 3050A 3051A 3054A 3052A 3056A Deskjet 2546P 2546B 2546R Officejet Series: Officejet 2620, 2621, 4630, 4632, 4634, 4635 Use Instructions: Step 1: Gently remove the black or transparent protective cover; Step 2: Tear off the plastic tape; Step 3: Put the cartridge into printer in the correct slot. Tips: Do not touch the chip and the nozzle