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Procedure for Cleaning Outside of Nozzle?

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Yep, that's how I did it. Excess blobs of plastic get stuck to the mouth of the nozzle or the outsides many times as they solidify with cooling. More then not they're not easily removed just by "scraping" or fingers or anything. So you do have to heat up the nozzle and just gently wipe it off with a paper towel or a piece of paper. Be aware though, the nozzle heats up pretty high and the heat gets through the paper towel or paper pretty fast. Watch your fingers ;)


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There is also another solution I found on thingiverse but related to a replicator...

Should work for an UM too...

There is a small cube wirh a cone shaped cut to print. When ready, stuck the nozzle into it and wait until the nozzle cools down to app.90 degree and make something like the atomic pull, but on the outside.

I've never dont this before so no guarranty that it works...

I also use paper towels :-) but thougth it might be a interesting solution too.

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