S2.5 Allen Key
S3.0 Allen Key
Before replacing the pulley, ensure that the printer is turned off, and disconnect the power source for safe operation.
① Rotate the knob on the X-axis tensioner counterclockwise to loosen it.
② Remove the belt copper buckles on both sides of the fixed X-axis sheet metal.
If it cannot be removed, continue loosening the X-axis tensioner.
Use the S2.5 Allen key to loosen the 4 screws securing the print head module.
Place the print head module within the range of the cables for subsequent installation.
Use an open-end wrench to secure the nut, then use the S3.0 Allen key to counterclockwise rotate and remove the 3 pillar screws securing the fixed pulley.