What does 'Ink cartridge side IC chip relation defective' mean for my Brother MFC-J2720 All in One Printer?
- EElizabeth CollinsSep 13, 2025
The error 'Ink cartridge side IC chip relation defective' on your Brother All in One Printer means there may be an identification number mismatch, the cartridge is judged as incompatible, or the printer detects a wrong color setting.

















