Save even more with our 6 pack of professionally remanufactured replacements for HP 61XL high yield Inkjet cartridges. This set includes 3 CH563WN high yield black cartridge, and 3 high yield CH564WN color cartridge. These LD remanufactured ink cartridges have been thoroughly cleaned along with the printhead nozzles. Following the cleaning process, we refilled the cartridge with a professionally manufactured pigment-based ink formula for archival print life and color stability. This ink formula is specially designed to produce vibrant and long-lasting prints comparable to HP. After carefully inspecting the shell for leakage and monitoring the electrical circuitry for efficiency, we put the cartridge through a final print test to be certain it is worth of our 100% LIFETIME guarantee. Our remanufactured ink cartridges are not remanufactured by HP. Stock up now and save even more! for use in the following HP printers: Deskjet 1000, 1010, 1015, 1050, 1051, 1055, 1056, 1510, 1512, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543, 2544, 2545, 2547, 3000, 3050, 3050A, 3051A, 3052A, 3054, 3056A, 3510, 3511, 3512, 3516, & ENVY 4500 e-All-in-One, 4501, 4502, 4504 e-All-in-One, 4505 e-All-in-One, 5530 e-All-in-One, 5531 e-All-in-One, 5535 e-All-in-One, & OfficeJet 2620, 4630, 4632, 4635, 8040, & 8045. We are the exclusive reseller of LD Products brand of high quality printing supplies.