How to fix the 4040-XE if the motors loose steps or stuttering

When the machine loses steps during engraving, or the Y motors move unsmoothly, please follow bellowed steps to make the adjustment:


  1. Check the belts tension. Make sure the belts are not loose, but yet not too tight.

Please check this instruction for belt adjustment:


  1. Check the screw on the synchronous wheels. Make sure the set screw is tightened.

   3. The bottom screws on the Y-axis side frame:

There are 8 screws on the side frame to fix the wheels, please tighten them

You can also watch "Laser Wizard"s YouTube video as referrence.(Begin at 12:00 Mins)

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