Anycubic 3D Printer Maintenance: How to Replace the X-Axis Belt

Belts are one of the most important moving parts in FDM 3D printers, and they will inevitably loosen and wear out after extended use, which affects the printing quality and results in slanted prints and 3d print ghosting. However, this is a common issue that can be resolved by routine maintenance or replacing parts. This guide will provide step-by-step instructions on how to replace the X-axis belt on Anycubic 3D printers. There is also another guide on the replacement of the Y-axis belt, which hopefully can assist you.

Tools you need:

  • Allen keys
  • New belts
unscrew the belt

Step 1: Use an M2.0 Allen wrench to unscrew the 2 screws at the rear of the X-axis motor cover, and set the cover aside.

unscrew the belt tensioner

Step 2: Use the M2.5 socket head cap screw wrench to unscrew the 2 screws that fix the X-axis tensioner.

adjust the belt

Step 3: Unscrew the nut for adjusting the belt tension in a counterclockwise direction and set it aside.

remove the belt

Step 4: Remove the belt from the sheet metal fixing on the print head module.

take out of the belt

Step 5: Take the belt out of the X-axis tensioner. If the copper buckle is stuck in it, you can slightly move the pulley inside to allow more space for manipulation or use a wrench and other tools to assist in taking out the belt. Set the X-axis tensioner aside.

Remove the printhead

Step 6: Remove the printhead cable from the print head module, move the printhead module towards the direction of the X-axis tensioner, and remove it, and set it aside. Then remove the entire belt from the X-axis carriage.

lay the belt flat

Step 7: Install the new belt and lay the belt flat on the X-axis carriage.

Move the printhead

Step 8: Move the printhead module from the X-axis tensioner position along the X-axis carriage groove.

*Notice: The belt must be under the two V-slot wheels above.

pass the belt through the X-axis

Step 9: Take the X-axis tensioner that was just put aside, and pass the belt through the X-axis tensioner. If it is stuck, it can be passed through the same method as when it was removed.

Fix the copper buckles

Step 10: Fix the copper buckles at both ends of the belt to the sheet metal of the print head module.

tighten the belt

Step 11: Install the nut for adjusting the tightness of the belt, and screw it to the X-axis tensioner in a clockwise direction. By the way, adjust the belt to make the print head module move smoothly on the X-axis carriage.

tighten the screw

Step 12: Take out the motor cover placed aside, and use the M2.0 Allen key to tighten the 2 screws behind the X-axis motor cover.

Plug the printhead cable

Step 13: Plug the printhead cable into the printhead module.

Anycubic 3D Printer Maintenance: How to Replace the Y-Axis Belt

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