Introduction
This guide will explain the steps needed to change the filament on the Ultimaker 2+ or 3.
Sources: Changing the material and nozzle on the Ultimaker 2+, Changing materials and print cores on the Ultimaker 3
Pictures by: Nico Lagendyk
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                     Press the dial to wake the machine if it is not already 
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                     Select Material 
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                     Select Change 
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                     Wait for the printer to warm up 
 
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                     Remove the material from the feeder 
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                     Remove the spool from the spool holder 
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                     Make sure to loop the end of the filament through the spool holder to prevent tangles 
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                     Put the new spool on the spool holder 
 
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                     Cut the filament at an angle 
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                     Press the ready on the menu 
 
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                     Pull the lever on the back drive assembly to release the friction gear 
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                     Push the filament into the back drive assembly 
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                     Press the dial when the gears have grabbed on to forward the filament 
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                     Press the dial again once the filament is extruding 
 
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