Brother LC41HYBK High-Yield Black Ink Cartridge - Retail Packaging Compatible with Brother multifunctions FAX1840C, FAX1940CN, FAX2440C, MFC3240C, MFC3340CN, MFC5440CN, MFC5840CN Expected yield of 900 pages based on 5% coverage Water, fade, and smudge resistant Compatible with Brother multifunctions FAX1840C, FAX1940CN, FAX2440C, MFC3240C, MFC3340CN, MFC5440CN, MFC5840CN Expected yield of 900 pages based on 5% coverage Water, fade, and smudge resistant Inks won't bleed through pages Package includes 1 high-yield black cartridge