Check the following points to resolve the issue:

 

You installed a new ink cartridge too quickly and the machine did not detect it.

Take out the new ink cartridge and reinstall it slowly and firmly until it locks into place.
> Click here to see how to replace the Ink Cartridge.

 

An ink cartridge is not installed correctly.

Take out the new ink cartridge and reinstall it slowly and firmly until it locks into place.
> Click here to see how to replace the Ink Cartridge.

 

A used ink cartridge was reinstalled.

Remove the used ink cartridge and install a new one.

 

If you are using non-genuine Brother ink, the machine may or may not detect the ink cartridge. 

Use a new ink cartridge. If the error message is not cleared, contact Brother Customer Service from the "Contact Us" section.

 

The ink cartridge must be replaced. The new ink cartridge has an air bubble.

Replace the ink cartridge with a new Genuine Brother Ink Cartridge.
Slowly turn the ink cartridge so that the ink supply port is pointing downward, and then reinstall the cartridge.

 

The wrong Brother model ink cartridge was installed.

Check the model number of the ink cartridges and install the correct ink cartridges.
Visit the Consumables & Accessories section on this web site to know what consumables are available for your machine and its ink cartridge model numbers.
> Click here to see the Consumables & Accessories section.