These inkjet cartridges are designed for use with the Brother FAX1840C, FAX1940CN, FAX2440C, MFC210C, MFC420CN, MFC620CN, MFC640CW, MFC3240C, MFC3340CN, MFC5440CN, and MFC5840CN printers. Black cartridges yield approximately 500 pages. Color cartridges yield approximately 400 pages.
