How to Reset the Mainboard (Epsilon Series)

If you have a mainboard with a wrong firmware for Epsilon, you will have to do a reset.

 

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Tools
	Allen Key 2.5mm

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To reset the mainboard follow these steps:

 

	Attention! Electrical Hazard it's very important to turn off and disconnect the printer to avoid short circuits or any risk of electrocution.
Do not touch the power supply or the power supply's terminals during this repair.

1. Turn off and disconnect the printer

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

3. Remove the lower bowdens from the FRS

4. Remove the Z cable covers

Follow the next article to understand the process: How to remove the Z cable cover.

5. Raise the printing platform

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 turning the Z motor lead screw.

6. Remove the inner cover.

Follow this guide to know how to do it: How to remove the inner cover

7. Once you have access to the mainboard, disconnect the 24V connector.

8. Make sure the 24V cable is unplugged, then press the reset button while turning on the printer.

Keep pressing until the message "flashing firmware" appears on the LCD

9.  Once it is finished, turn off the machine and re-connect the 24V cable

 

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