¶ Phenomenon：
¶ 1. Check whether the tightness of the three belts is consistent, and whether the belts are stretched or deformed. Belt adjustment video link: https://www.youtube.com/watch?v=N3sxU1_EIXY
¶ 2. Manually slide the slider, if there is obvious resistance, you can use grease to fully lubricate the contact between the wire gauge and the slider.
¶ 3. Make sure the nozzle has been tightened and the nozzle is not worn. If the nozzle is worn, it will cause unevenness. Please replace it with a new nozzle (as shown in the figure below)
¶ 4. Check whether the white lining at the connection between the two ends of the parallel arm and the spring and the white lining at the connection with the ball head are missing or falling off. If it falls off, you can use glue to fix it again. If it is lost, you can contact the after-sales email: service@flsund3d.com to reissue and connect the arm (within the warranty period)
¶ 5. Check whether the screws where the upper and lower shells of the machine are assembled with the three shafts are tight or whether there are obvious gaps. If there are gaps, please reassemble and tighten the screws.
¶ 6. Refresh the firmware
Link to flash motherboard firmware:
https://www.youtube.com/watch?v=uLaT_pca82U