The TFM coupler is a consumable part that can wear over time due to the heat and pressure on the hot end. Therefore it is recommended to replace it when you notice that it has deformed.
Please note Ultimaker consumables are not covered by warranty.
Important: Make sure filament is removed, the Ultimaker is turned off and power supply disconnected before you start the replacement.
Note: These instructions are for the Ultimaker 2+ and Ultimaker 2 Extended+.
To replace the Coupler please follow the link below: