Happy Leap Year everyone!
This video will show you on how to fix the hotend issues for your Prusa Mini printer.

PS: this channel also has a name change (from AUTech) to avoid all potential business name or trademark dispute in the future.

Credits:
Prusa Knowledgebase: https://help.prusa3d.com/en/article/c...
Cold Pull: https://help.prusa3d.com/en/article/c...
How to change a hotend PTFE tube - MINI: https://manual.prusa3d.com/Guide/How+...