FELIXrobotics FELIX 3.0 User Manual page 23

Wall is not straight. Check if hot-end is correctly fastened. Check if pulley is fixed correctly on
motor axis
Gaps in part. Make sure the extruder arm exerts enough tension on filament. When extruding
manually, it should be very hard to hold back the filament by hand.
4. Repeat now with extruder 2.
a. Select extruder number 2. Heat it up in a similar fashion to extruder 1 and print the test part.
5. If both separate extruders have proven to print well, it is time to calibrate the distances between them.
Print out the calibration_dual_extruder_v3.gcode file as shown below. In this print each extruder will print
a grid of squares. The top grid is shifted a little.
a. Check which square fits best on top of the other and note the calibration values.
support@FELIXprinters.com
www.FELIXprinters.com
User manual FELIX 3.0 3d printer