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May 2017

After the first layer my Monoprice mini stops printing and gets jammed. It has only printed a full thing once. The last 6 times I have printed it stops and gets jammed. Every time I unjam it the tube connector has to be ripped off, I then have to put a new one on. Does anyone no how to fix this. I am using BAMtack filament.

  • created

    May '17
  • last reply

    May '17
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Are you referring to the short plastic tube before the hot end and after the brass fitting? I found that the plastic tube was too wide and the filament would coil up in it. I think it is a design flaw. I made my own fitting to fix the problem. I took a section of 10-24 threaded rod and bored a hole slightly larger than 1.75 mm (the filament diameter) through the center. I think the length of threaded rod was about an inch and a half. I inserted the rod in place of the plastic tube. I tightened it in using the little Allen head screw that tightened the brass fitting. I then put a 10-24 couple nut on the rod all the way down to the heat sink. This then left enough threads in the couple nut to tighten the brass fitting in. I believe that the brass fitting is a different thread size but it works well enough. I haven’t had an issue with jamming since I did this.

Mono price does offer a one year warranty on all their products. You could always just exchange it for a new one.

I worked with them through my own jamming issues and they did not have a solution. It seems to be a design issue not a quality issue. If you were to get another machine I think you might have the same issue.

What do you mean the tube connector has to be ripped off and replace? Jammed in what way?

Head over the Monoprice Mini Facebook group. There’s tons of information and tips, and more importantly, lots of people using the same machine and helping each other out.