Brother MFC-J5920DW Super High Yield XL Magenta Ink Cartridge (1200 Yield). Brother created INKvestment cartridges to provide larger print volume businesses a budget-friendly solution with 1200 page color cartridges for under $15. INKvestment cartridges provide less than $0.05 color cost per page. All genuine Brother printer supplies are designed as part of an entire printing system and are designed with Brother products in mind to provide a superior degree of quality. Genuine Brother ink is the result of extensive research and development of over 100 different elements.