Brand:FUZOO.Product Type: Remanufactured Ink Cartridge. Compatible With: HP Deskjet 1000 1050 1056 1510 1512 2000 2050 2510 2512 2514 2540 2542 2544 3000 3050 3051 3052 3054 3510 3511 3512 HP ENVY 4500 4501 4502, 5530 5531 5532 5534 5535 5539 HP Officejet 2620 2621 4630 4632 4635 printers. FUZOO Brand Advantage: 1. Our team Spent a lot of the cost recycling the original ink cartridges with big effort to achieve this product,enlarging through secondary to improve the room of the cartridge, high volume plate suction sponge replaces the original material, ensure the real high volume, low cost for per page. 2. All cartridge is original recycled,the Similar printing result as original inks do,ensures that your professional quality documents remain crisp and smudge free. Experience smudge-resistant professional quality text, produce smooth, crisp, vibrant text and graphics while resisting smudging and fading. 3. Original recycled cartridge, high-quality ink with machine tested, Prints resist fading for quality that lasts. 4. Original Machine Testing: Adopts Original Machine to test, let the cartridge is 100% compatible with printers. Warm Prompt: 1.Please confirm your Printer Model before placing order. 2.Please take off the protective cover before you install the ink cartridges.3.If the printer does not work after installing the cartridge, clean the chip contacts of the cartridges with a rubber eraser or cotton swab. Take care not to touch the ink nozzles on the bottom of the cartridge. 4.If you want to know more information about our ink cartridges, you can contact us, we will try our best to answer your questions.