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I own an Ender 3, it's about 3 years old and the issues I have with extrusion, leaking and filament blockage are monstrous.

Examples of problems like this are filament flow issues, filament blockage, and filament leaking out of the sides.

Problems like this take all day to fix, and in the end, they are never really fixed. Everything is so overbearingly finicky.

Not only that, but it seems one of its parts breaks down about every week (this may just be due to its age but I thought I would note it.)

It seems I run into the exact same problems every single time I 3D print. Nothing ever seems to go right. I am getting really tired of it, and I'm wondering if these kinds of problems aren't so frequent/ as big of a deal with more expensive (better) 3D printers, or if this is just normal.

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  • $\begingroup$ I have a 3yo ender3 as well and it doesn't have any of these problems. But then maybe you print more than I do and yours is more worn. Or maybe you buy cheap filament with debris in it that clogs your nozzle and stresses the rest of the printer. Or maybe yours is actually ok and just needs some tightening. Or maybe I got lucky and got a good printer and Ender's QC is random. $\endgroup$
    – user10489
    Nov 20, 2021 at 2:33
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    $\begingroup$ The issues you've hit (like filament "leaking") should not happen even on a cheap printer, and probably indicate you did something wrong (like not tightening the nozzle). There are lots of recurring problems with these types of machines that aren't user error, like play in undriven side of gantry, inconsistent extrusion from low extruder quality, etc. but the things you're hitting should not happen. $\endgroup$ Nov 20, 2021 at 17:51

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No not at all. The only way to eliminate issues is to practice and break things and learning how to fix it. I have 2 CR-10s, 1 CR-10S5, 1 CR-10 MINI, and 2 Anycubic Photons. They are all heavily modified, and the one thing i learned is that modifications only add to the problems

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Get a real E3D nozzle/extruder and 90 % of the problems disappear. The problem with cheap printers is that they use copies that are poorly build and low quality materials. After that if you want to improve even more you got to get a dual gear system for your extruder motor or a good gear and a body that you can adjust the tension in small steps. Besides that, just check if your steppers are well calibrated and do a proper extrusion test

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I use a German RepRap printer, which is very expensive compared to many of the printers in the questions on this list. I still see similar printing issues on a RepRap to other printers. The settings often control the issues. The RepRap however has a much larger print area that most of the printers referred to on this list.

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    $\begingroup$ I've seem commercial stratsys printers with issues like this, where you have to call a service tech to fix them. $\endgroup$
    – user10489
    Nov 20, 2021 at 16:14
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    $\begingroup$ What is a RipRap printer? Please provide a link. $\endgroup$
    – 0scar
    Nov 22, 2021 at 8:59
  • $\begingroup$ germanreprap.com/printer/x400EN.aspx $\endgroup$
    – Perry Webb
    Nov 23, 2021 at 12:24

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