Step 1: Go to Prepare and select Change Filament and select preheat PLA
Step 2: Fix the filament holder in the hole provided on the printer's left side and place the filament in it such that its loose end is towards the backside.
Step 3: Take the loose end of the filament and load it into the filament guider by pushing it upward such that the filament comes through the top side.
Step 4: Take one end of the PTFE tube and push it into the Filament guider, make sure to push it until it gets locked.
Step 5: Push the filament through the PTFE tube till it comes out from the other side.
Step 6: Once it attains the temperature Click the knob to select insert the filament Press the lever on the extruder head and push the filament into the extruder head until the filament crosses the gears and reaches the hotend.