All Brother cartridges – including this LC980BK Ink Cartridge in Black – are rigorously tested to ensure they provide customers with the most consistently reliable solution possible.Though cheap, non-branded refill cartridges are widely available, they’re simply not as compatible with your Brother printer. This can lead to issues with both printout quality and your machine’s performance – and these problems can sometimes prove costly to put right.This genuine LC980BK replacement Ink Cartridge ensures your printer continues to run glitch-free, providing you with better value in the long-term plus the peace of mind that comes from knowing you have a printing setup you can depend on.