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lines in the first layer


KDVinr
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Posted · lines in the first layer

Hello,

I am John and I am new in this community. I bought a UM 2+. I use Cura. The first results are not bad, but I have some problems. There are lines in the first layer. The speed and sound doesn't change. What am I doing wrong?

IMG_4609.thumb.JPG.d733dceef264cf4ea4bcca0d48dbf6be.JPG

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    Posted · lines in the first layer

    Hey John,

    welcome to the forum!

    What happens exactly with the printer? Does it print at the same speed all the time? If yes, then I guess the print settings are off.

    Could you share some screenshots of Cura? Better yet, depending on the Cura version you are using, you can export the printing profile and share the resulting text file.

    For Cura 15.x, in the menu "File" select "Save profile"

    For Cura 2.1.x, in the menu "Profile" select "Manage profiles" then select the profile you used for the print and hit the button "Export" (top right).

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    Posted · lines in the first layer

    Hey John,

    welcome to the forum!

    What happens exactly with the printer? Does it print at the same speed all the time? If yes, then I guess the print settings are off.

    Could you share some screenshots of Cura? Better yet, depending on the Cura version you are using, you can export the printing profile and share the resulting text file.

    For Cura 15.x, in the menu "File" select "Save profile"

    For Cura 2.1.x, in the menu "Profile" select "Manage profiles" then select the profile you used for the print and hit the button "Export" (top right).

     

    Hera are some screenshots. I don't know how to load the profile.

    2016-06-28.thumb.png.8e9bf261cf2f63fb6cd460d37ee32ae9.png

    5a331ea40be6f_2016-06-28(1).thumb.png.1e6d1d4bde70d5957822b981c65b3051.png

    2016-06-28.thumb.png.8e9bf261cf2f63fb6cd460d37ee32ae9.png

    5a331ea40be6f_2016-06-28(1).thumb.png.1e6d1d4bde70d5957822b981c65b3051.png

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    Posted · lines in the first layer

    I don't see any problems with the print settings so far. Which lines bother you?

    The first few layers will be printed slower, so that's normal. There are some advanced settings in Cura regarding speed. You can enable them to see what they do. Not sure how to do it in Windows. Maybe select the "Settings" menu and look for the general settings of the application.

    The "lines" you see on the first layer could be due to wrong bed leveling. If the bed is too close to the nozzle, then the nozzle drags through the filament and leaves marks. Check out this tutorial:

    https://ultimaker.com/en/resources/17084-bed-leveling

    When using the paper to drag between nozzle and bed, don't push down on the paper because this it turn pushes down the bed and it distorts the leveling even more.

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    Posted · lines in the first layer

    The lines you are talking about are I think "travel moves" or "non extruding moves". If you uncheck the "combing" feature it will retract on those travel moves and you will still get lines but less visible. Hopefully the travel moves will be invisible inside your print. The printer isn't perfect - you will often get travel moves on the topmost and bottom most layers.

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