Introduction
This is an easy to follow guide on replacing the ink cartridge in a Brother MFC-7240 Printer. Before starting make sure you have the correct toner cartridge that is compatible with the Brother MFC-7240 Printer. Check the toner package; it should say MFC-7240 as one of the compatible printers.
Parts
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            Lift the printer cover which is located at the front of the printer to reveal the toner cartridge compartment. 
 
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            Press down on the small green lever on the bottom left of the drum unit to release the cartridge. 
 
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