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First print troubleshooting


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Posted · First print troubleshooting


Hey guys,

I am using the ultimaker original + and have had several prints of the default robot.

However I keep getting the same problem, the face and chest are not coming out as they should be.

How can I solve this issue, I cannot find anything on the forums about this issue, thanks!


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    Posted · First print troubleshooting

    Hi @Ruben_Geisler,

    Welcome to the forum!

    To improve your print you probably want to tighten your short belts.

    You can do this by loosening the screws on the X and Y motor, push the motor down as far as you can and screw them tight again.

    There should be a lot of stress on the short belt.

    Your retraction or print profile could probably also be improved.

    Near your printhead and feeder, is there any movement in the bowden tube when you (gently) pull it or is it fully secured?

    What settings do you use in Cura?

    Thank you!

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    Posted · First print troubleshooting

    You have very serious play or backlash (look up the term in wikipedia). Usually caused by loose belts as Sander says. Also paradoxically can be caused by belts too tight but this is very rare on the UMO. It can be caused by loose belts or high friction - either one will keep the head from moving all the way where it is supposed to go - kind of like a loose steering wheel when moving the wheel back the other direction has no effect for the first bit of turning.

    Push the head around by hand - there is quite a bit of resistance from the steppers but only that - you should be able to do it with your smallest finger on each hand pushing one finger on each opposite block. usually high friction on UMO is caused by the end caps being too tight - you can try loosening them a little and see if friction goes down.

    HOWEVER - it's much more likely that your belts are too loose.

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    Posted · First print troubleshooting

    Cool! Congratulations :)

    Could you select the answer which helped you most as the 'Best Answer'?

    It will help other new users with a similar problem to find an answer as fast as possible.

    Here you can read some more about what other features our forum offers.

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