If you use the A1 mini without AMS or you put the AMS stand behind the printer the extruder cable cannot be guided through the PTFE tubes anymore. As a result the cable has no stability and can collide with the printer column.
These cable guides are easy and quick to print and ensure proper cable routing. Furthermore due to the way they are designed they are very flexible and stable ( print orientation ).
Printing with 0.4 nozzle is adviced.