I've had to buy genuine Btother cartridges after some allegedly compatible brand of cartridge damaged the cartirdge holders of my Brother mid range printer that is compatible with my Mac system. I have never had such damage in 10 years of using the Brother printer so I guess I was unlucky but in the midst of a pandemic just when people started working from home, it meant I had NO printer for 6 months. The cost of the inconvenience far outweighted the cost of the new replacement printter when I was eventually able to get one...