Creality Hi Extruder Board Replacement

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Introduction


This guide will walk you through the process of disassembling the print head and replacing the extruder board. 


Important Notes

  1. Strong Yellow Glue: The connectors on the extruder board are secured with a strong yellow glue. You may need to carefully cut or gently wiggle the connectors to release them. Forcing the connector could damage both the extruder board and the cable. 


Tools needed


2mm Hex Driver or Hex Key 




Precision Tweezers (for easier connector removal) 

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Step 1. Unscrew the 2 Screws holding the Front Tool Head Cover


Use your 2mm Hex driver to remove the screws securing the front cover.


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Step 2. Remove the Front Tool Head Cover


Pull the tool head cover towards you to slide it off easily. 


Reference Photo:



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Step 3. Remove the Extruder Indicator Wheel


Pull the indicator wheel towards you to remove it. 



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Step 4. Unscrew 2 Screws holding down Extruder Cable


Use the hex driver to remove the screws securing the extruder cable.


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Step 5. Unplug the all the cables from the Extruder Board


Press down on the latch on the connector to release the connector from the Extruder Board.


Important:
The connectors are coated with strong yellow glue, which may make removal difficult. Use a flathead screwdriver to gently cut the glue, or wiggle the connector while pulling gently. Tweezers can help make this process easier.



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Step 6. Unscrew the 3 screws holding in the Extruder Board


Use your hex driver to remove the three screws securing the extruder board.



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Step 7. Remove the Extruder Board and replace it with a new one.


Take out the old extruder board and replace it with a new one. Secure the new board with the three screws you removed earlier.
Use the photo from Step 6 as a reference 



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Step 8. Attach all the cables to the Extruder board.


Reconnect all the cables to the new extruder board, ensuring each is seated properly.


Here is a photo which can be used as reference. 


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Step 9. Screw in the Extruder Cable


Reattach and secure the extruder cable using the screws.


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Step 10. Install the Extruder Indicator Wheel


Ensure the extruder indicator wheel is fully seated. If it's not properly aligned, the front tool head cover may not fit correctly. 



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Step 11. Install the Front Tool Head Cover and screw it in place


Position the front tool head cover back into place and secure it with the screws.



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Step 12. Turn on the machine and run Self Test / Calibration.


Power on the machine and run the self-test / calibration procedure. If no errors appear, the replacement was successful!


Your Extruder Board replacement is complete!


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