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BondTech extruder and ultimaker 2 extended


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Posted · BondTech extruder and ultimaker 2 extended

I have installed a bondtech QR extruder to my ultimaker 2 extended. I have updated the firmware to the bondtech firmware and have then factory reset the machine as instructed but the filament is only being pushed half way through when it restarts and asks to insert the material. It seems that the speed or esteps are only at 50%. Has anyone had any issues with this set up? Or have any advice as to what I can do to fix it. I think I can amend the esteps but it says I shouldn't have to do that so why would it be happening? 

 

 

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    Posted · BondTech extruder and ultimaker 2 extended

    Yes you have to adjust the steps/mm - there are instructions at the bondtech website.  There is a tool that does it for you or you can ssh into the printer and do it manually.  Both methods are explained by bondtech.  If you upgrade the firmware on the UM3 you will have to redo the steps/mm adjustment.

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    Posted · BondTech extruder and ultimaker 2 extended

    pronterface won't control the UM3.  It has 2 computers.  the one that stores the steps/mm isn't connected to the external USB connector.

     

    The second computer in the UM3 is a linux computer and that computer decides the steps/mm and then sends the correct gcode on to the Marlin/arduino based computer.

     

    Anyway here is the instructions to change steps/mm:

    https://support.bondtech.se/Guide/21. QR Software Configuration/36.html

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