Trust Brother Genuine ink for superior inkjet print quality, page yields and performance you can consistently rely on. Brother Genuine LC404M Magenta INKvestment Tank Ink Cartridges deliver consistent, professional print quality and ultra convenience you can count on for up to 750 pages.* Brother Genuine INKvestment Tank ink cartridges offer the ultimate in convenience. The easy-to-use, front-loading plug-in INKvestment Tank ink cartridges hold more ink than traditional cartridges to continually supply ink to the internal tank, so you get more pages without needing to refill. When refilling is needed, simply take out the empty cartridge, plug-in a replacement and get back to printing with no waiting and no mess.