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Leveling the UM2 build plate

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1st round of the process for the rear we use the rotating button to adjust. For front left and right we use the build plate screw below it. Now for the next round "Fine Tune" front left and right same screw below the build plate. But for the rear do we use the screw below the build plate or the rotating button? Please assist, thank you.


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You can use either or both. Personally I use the knob on the front first, if I can't get it to where I want it I fine tune with the back screw.


Hi, thanks for replying. My confuse part is this:

1st round

When leveling the build plate you must follow

the step 4/21 until 10/21 on the display where the

first step 4/21 control the height by

rotating this button. to get 1mm.


In the step 5/21 you rotate this left build

plate screw under the build plate to control the

height between the nozzle and the build plate.

In 6/21 you adjust a similar build plate screw on

the right hand side.


2nd round "Fine Tune"

With a piece of paper.

There is 3 screw below the build plate. 2 in front and 1 behind.


So my question is:

For this part, do I still turn the rear with the rotating button or the screw below the build plate?


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When fine tuning the rear position you can use the screw underneath, the rotating button or both. I usually try to use the rotating button first, if that doesn't get it perfect I fine tune the last bit with the screw.

When fine tuning front left and front right you use the screws.


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For first round I usually adjust the rear to be anywhere from .5mm to 2mm. This is very rough.

I never adjust the front 2 screws on first round. Even the first day I got it. Never.

For second round I try to adjust the rear screw completely with front knob. That's usually good enough although sometimes I turn the rear screw. I haven't touched the rear screw in a few months.

For second round front two screws of course I only touch the thumb screws. Usually they need very little adjustment if any.


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Plastic on the nozzle interferers with the levelling process and makes it unreliable. I currently heat the nozzle and wipe it with a piece of kitchen paper whilst it cools which sort of works but not always.

Has anyone any better ideas?



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