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Um 3 Extended firmware Recovery with a white Mainboard without a SD card Slot

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Posted · Um 3 Extended firmware Recovery with a white Mainboard without a SD card Slot

Hallo i have a Ultimaker 3 Extended with a white Board I did not find the SD card slot.

I tried to install a Bondtech extruder an after the restart I get this issue. 

The issue is that the printer stacks at the logo.

I have a manual for the red board. But I nee one for the white.

Who hat the same issue and know how to fix it. 

thanks a lot ronald





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    Posted (edited) · Um 3 Extended firmware Recovery with a white Mainboard without a SD card Slot

    Hi Ronald,

    all UM3 printers have a white "Ulticontroller" board at the front side, a white "Electronics" board or mainboard, placed at the rear right, next to the power inlet and power switch, and the red "Olimex" board, placed at the rear left, next to the ethernet connector.

    For exact placement of the Olimex board refer to this helpful article, provides by @fbrc8-erin:


    (This article shows the procedure of excanging the Olimex board which is NOT necessary for firmware recovery, it's just to show where the board is and which screws have to be unscrewed for removing the cover)

    So your printer MUST have the red olimex board, or it isn't a real UM3(E).

    To prevent any damage, I strongly recommend to stick to the instructions literally or ask someone, who really knows what he(she)'s doing, for help.

    If my speech was a bit harsh, it's no offense, just the attempt to prevent any damage of your printer.


    The recovery image of the acutal firmware can be found here:



    Edited by Enigma_M4
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