#1

I have been using my UpBox for 3 years and it has mostly been a great workhorse.
Lately it prints to a certain height and then drops in quality/precision.
I’m not sure but maybe the z axis is dropping steps?
Has anyone seen or experienced this before and any tips/fixes?

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2020-03-19 09年.08.36.jpg 3024×4032 3.49 MB

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#2

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2020-03-19 09年.08.17.jpg 3024×4032 3.72 MB

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#3

You may check the springs under the platform( those for leveling), see if they are very loose.
Also try lubricate the Z axis leadscrew, you can reach by opening the back panel.

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#4

lubricate it with lithium grease?

#5

We usually use silicone oil not sure if lithium oil works.