Brother LC41BK - LC41BK Ink, 500 Page-Yield, Black
Inkjet cartridges are designed for use with Brother FAX1840C, FAX1940CN, FAX2440C, MFC210C, MFC420CN, MFC620CN, MFC640CW, MFC3240C, MFC3340CN, MFC5440CN and MFC5840CN. Black yields approximately 500 pages. Color cartridges yield approximately 400 pages.