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hyiu0000

Build plate checking without adjustment

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Posted · Build plate checking without adjustment

Hi,

 

Is it possible to verify the build plate calibration without going through the adjustment process again?   That means I just want to home the print head to the three points for checking.  Thanks.

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Posted · Build plate checking without adjustment

Actually I wonder if there is a way to generate a G code to home the print head to the three points without printing?

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Posted · Build plate checking without adjustment

Just for plays I created a gcode file you can test with.

The file is a a print job that will move to the 3 manual levelling locations and remains 5 seconds at each location before moving on.

Since you didn't mention your printer model I created this for the UM3. For the other printer models you'll have to change the head positions.

 

Note that manual levelling is only to be done when you think something changed in your printer or its environment. There pass multiple months where I don't re-calibrate.

bed_check.gcode

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Posted · Build plate checking without adjustment

Hi CarloK,  Thanks for your code.  I wonder can this code be used in UM2E+ ?  Because I do not understand how to change the head positions.  Do you mean I should modify the Gcode myself?

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Posted · Build plate checking without adjustment

Yes, I meant you to change the gcode yourself by opening the file in an editor / text processor. I understand you've never done this before so I attached a file for the UM2(+) / UM2E(+). This isn't tested since I don't have such a printer here for testing now.

UM2_bed_check.gcode

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Posted · Build plate checking without adjustment

Thanks and the code was tested okay.  The only thing is I added one more z-hop before the first move.   Also it should go to the left side before the right side to make it the same as the normal calibration steps.  I was trying to add a statement //action:pause without success.  I want to be able to manually push the button to proceed instead of wait for a fix number of seconds.

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Posted · Build plate checking without adjustment

The sequence for the buildplate locations on the UM2 and UM3 differ. My original version was for the UM3 and I didn't change it when converting to the UM2.

 

I don't think there is a command to stop the printer until a button is pressed. Strange, it makes sense to have such a command, maybe I'm overlooking something. You can't use the pause command since that will also move the bed.

 

Other options:

- Take full manual control by installing the pronterface program.

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