With an estimated 3,000 page yield the compatible Brother LC3237BK does not have the enhanced capacity of the LC3239XL black, but still offers more than the majority of inkjets on the market. Brother designed the genuine LC3237BK as the cheapest way of getting any compatible printer up and running with black ink and this alternative continues that tradition.If you do not get masses of use out of your four-colour Brother inkjet printer, then the LC3237BK standard capacity black ink cartridge is certainly worth considering.The reduced investment of the compatible Brother LC3237BK means that for just a few pounds you can restore your ability to print, without committing to thousands of prints in the near future, helping keep your printers printhead fresh.