Designed and manufactured by Brother’s expert engineers, our genuine LC421 supplies are the perfect partners for the A4 Mini Regular inkjet printer series. The optional high yield cartridges offer 500 pages per black, cyan, magenta and yellow cartridge, a more economical option over the standard yield cartridges, reducing your cost per page. Plus the two optional value packs offer even more savings on ongoing print costs. And as Brother Genuine Supplies, they are rigorously tested to ensure every print is as perfect as the last.