Save money on the Brother Compatible LC41Bk Black Ink cartridge. (LC41 Series). Manufacturer offers a 100% Quality & Satisfaction Guarantee on the Compatible LC41Bk Ink Cartridge. Free Shipping on Orders over $50.

For Brother MFC-210C, MFC-420CN, MFC-620CN, MFC-3240C, MFC-3340CN, MFC-5440CN, MFC-5840CN, Fax 1840c, Fax 1940CN, and Fax 2440c

This multipack of four cartridges (cyan, magenta, yellow, and black) manufactured by Rhinotek is equivalent to Canon's BJI-201 multipack and fits popular Canon printers, including BJC-600, 600e, 610, and 620. The cartridges are simple to install with no fuss, and satisfaction is guaranteed by Rhinotek.

• Package includes 1 black ink cartridge
• Compatible multifunction models 210C, 420CN, 620CN, 3240C, 5440CN, and 5840CN
• Expected yield of 500 pages based on 5% coverage
• Water, fade, and smudge resistant
• Inks won't bleed through pages

Unfortunatly the Brother MFC 3240c (and other models also I believe) will not function if any of the inks run out. Also unfortunatly when the 3240c cleans its heads it does so by running ink through the print head, yes it uses ink even if you never print. Again unfortunatly it automatically cleans the print head occasionally. So even if you print you can still run out of ink and the machine shuts down. Fortunatly there is a solution. There is some kind of optical sensor in the 3240c that "sees" how much ink in in the cartridge. You can disable the ability of the sensor to see how much ink is in the cartridge by putting some dark colored tape over the clear part of the LC41 cartridge. The cartridge has one side that you can kind of see through and see the amount of ink inside. That is the side that you need to put the tape over. It is not flat so you will have to mold the tape the shape of the cartridge or it will not fit back into the printer. Once this is done the 3240c thinks you have a full ink cartridge and it will work just fine. This also enables you to use all of the ink in the cartridge. The machine will tell you you are out of ink before it is completly empty. Happy printing!