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The Original Prusa XL can print true multi-material prints without the need for any purge or wipe tower.
The purge tower is turned ON by default (when you are mixing materials or colors) because it's the best way to cover a wide range of materials and to ensure maximum reliability when using our default profiles.
However, under certain circmunstances, you can turn it off and still get perfect prints. The main factor is the filament quality and especially how dry the material is. The moisture in the filament is the main cause for the filament leaking out of the pre-heated nozzle during travel moves and when the tool is parked. It also greatly affects stringing.
If you want to try printing without the purge tower, make sure your filament is dry and check on the print regularly.
You can learn about how to properly dry filament in our guide.
Go to the Print settings - Multiple Extruders - Wipe Tower and untick the Enable checkbox.
