L-ink brand remanufactured ink and toner cartridges have long been synonymous with quality and efficiency in the printing consumables industry. All of our L-ink brand cartridges go through rigorous quality control and testing, and are certified ISO14001 and ISO9001 Our L-ink brand remanufactured black inkjet cartridge offers a more economical option to the HP 61BK original cartridge, without sacrificing quality and performance. You can safely rely on L-ink brand cartridges to deliver true-to-life photos, rich laser quality text, and sharp images without the risk of bleeding or smudging. Compatible Printer list for L-ink 61BK ink cartridge: • DeskJet 1000 • 1010 • 1012 • 1050 • 1510 • 2000 • 2050 • 2510 • 2512 • 2540 • 3000-J310A • 3050 • 3051 • 3052 • 3054 • 3056 • 3510 • 3511 • Envy e-All-in-One 4500 • 4501 • 4502 • 4503 • 4504 • 4505 • 5530 • OfficeJet 2620 • 4630 • 8040 • 8045 • J4680C