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U3e - leveling failure, core 2 switching test failure


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Posted · U3e - leveling failure, core 2 switching test failure

Hi,

 

My U3e acting weird recently. The Printcore 2 switching movement has some offset, it does not move to where it should click to that plastic tab, instead of it does the movement few centimeter further. Therefore it does not click/switch, just moves in the air. I tried in the diagnostic menu, switch test, the result is the same. I reset the printer loaded the firmware again and it is the same. I guess this gives me the leveling failure, because the core 2 is always retracted...but maybe not. 

 

When I send a file to the printer it starts to heat up and does the leveling. But that fails because the core2 is scratching the glass hard. I have tried manual leveling, but the rear, third leveling screw is already out of the tread, I can not raise the table more. 

 

I have Bondtech feeders installed, and after firmware update the necessary settings were changed (feed speed, tube length, step/mm) I dont think this affect the step motor movements for x,y,z, cores and bed.

 

Can you guys help me, or tell me what should I do to have my printer back to normal?

 

Thank you

 

 

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    Posted (edited) · U3e - leveling failure, core 2 switching test failure

    The printcore 2 "up" position works, but maybe it also faulty, but still has some surface to catch, when I try in Diagnostic, it works, but the Printcore 2 "'down" position is wrong, the head comes further forward, it does not click to the tab.

    Edited by zorwick
    correction
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    Posted · U3e - leveling failure, core 2 switching test failure

    OK, silly me...problems solved:

     

    lift switch problem:

     

    Bed leveling:

    After this, the heads were in right position.

     

    Sorry for the hurried post. It was only frustration 🙂

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