Download How to Replace Ink on Brother MFC-J5910DW – Replace the Ink cartridge by following the instructions below: 1. Open the ink cartridge cover. If one or more of the ink cartridges have reached the end of their life, the LCD shows “B&W Print Only” or “Cannot Print”. 2. Press the lock release lever as shown to release the cartridge indicated on the LCD. Remove the cartridge from the machine. 3. Open the new ink cartridge bag for the color shown on the LCD, and then take out the ink cartridge. 4. Turn the green release lever on the orange protective packing (1) clockwise until it clicks to release the vacuum seal. Then remove the orange protective packing as shown. 5. Each color has its own correct position. Insert the ink cartridge in the direction of the arrow on the label.