This LC3237BK black ink cartridge has been expertly designed to work seamlessly with a wide range of Brother printers, to provide you with high-quality results, time after time.Though using cheaper, non-branded cartridges might save you money in the short-term, these often inferior products can cause numerous printing problems and even damage your machine – so is it really worth the risk?By choosing a genuine Brother LC3237BK ink cartridge, you’ll ensure that your printer continues to perform at its very best and also that any warranty you hold remains valid, providing you with extra peace of mind all round.