How to change the mainboard (Epsilon Series)

In this article you will learn how to replace the mainboard

 

Tools  
allen-icon
Allen Key 2.5mm
phillips-screwdriver-01
Flat Head screwdriver

 

The mainboard is the part that controls the movement and temperature of the printer. It holds the firmware of the printer.

This article will show how to replace the mainboard in case the fuse was unable to protect it from external damage.

 

1. Turn off and disconnect the printer.

bcn3d-epsilon-turn-off-1 bcn3d-epsilon-turn-off-2

 

2. Remove the extruder motors cover in the back of the printer by loosening the two thumbscrews.

epsilon-extruder-motor-cover

 

3. Remove the lower bowdens from the FRS.

epsilon-frs

 

4. Remove the Z cable covers. Follow the next article to know the process:

How to remove the Z cable cover.

z-cable-cover

 

5. To get access to the inner cover you will need to raise up the printer surface, if you can't turn on the printer, you will need to manually raise the printing platform by spinning the Z motor lead screw.

manually-raise-printing-surface-epsilon

6. Remove the inner cover. Follow this guide to know how to do it:

How to remove the inner cover

inner-cover-1

 

7. Disconnect all the cables including all the flat cable connections and unscrew the 3 corners of the mainboard, be sure to keep the plastic loafers

flat-cable-connecion-bcn3d

8. Screw the new mainboard and reconnect all the flat cables.

mainboard series

LAST. Remember to check the flat cable connections before turn on the printer to prevent shortcircuits. Visit this article to get more information about this:

How to check flat cable connections (Epsilon Series)

 

Conclusions

If replacing the mainboard doesn't fix your issue, please get in contact with the support team by filling this form: Support form.

Forum community 

Repair didn’t go as planned? Check out our forum community for troubleshooting help.

 

It's important to keep your printer in good shape to make the most out of it. In this chart you can find a list of the extruder maintenance procedures and how frequently these should be done. Maintenance Plan

 

bcn3d-recycle  Take your e-waste to a certified recycler. Check how we do it in BCN3D.

Parts   Buy these parts
replace mainboard Mainboad SKU 10909 

 


RELATED ARTICLES

check mainboard fuse eng

 

check flat cable eng

 

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