This is a recycled cartridge that has been factory serviced, refilled, and tested. This cartridge will perform as well or better than a new OEM cartridge and will often contain more ink than a new cartridge. 100% guaranteed. Replaces R5974, M4646, 310-5371, 310-6964, 310-5882,310-6969,310-6272, 310-8235, 310-5375, T5482, J5567, 310-6274, 310-7162, 310-6966, 310-6971 and 310-7160.