If in case brother printer is unable to detect ink cartridge there can be several reasons for that such as ink cartridge installed very quickly or the cartridge is broken or damaged or some other cartridge installed on brother that is not compatible with it in order to figure out the correct reason and fix the issue ring the expert at Brother Printer Customer Care Number UK. More info visit us: http://www.printerhelpnumbers.co.uk/brother-printer-help-uk.php