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Multi nozzle/layer pt 1
Baseline and first layer working. Retraction code testing, new STL needed.
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<p>Watch the video, read this tab, prepare yourself with the appropriate tools and then work through relevant tabs.</p>
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<h4>Understand your machine before attempting modification</h4>
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<p>Perhaps you have arrived at this page with a standard printer that has broken down. In this case, ignore this heading. Many people, however, will arrive at this page after performing modifications to their machine. When they try to turn it back on, something doesn't work as expected.</p>
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<p>Often people fall into the trap of modifying a 3D printer as a beginner, immediately after purchase. This can be quite risky. Firstly, they do not have a good working knowlegde of how their printer functions. They have not seen it in action long enough to what the purpose of each component is, which increases the chance of components being reinstalled incorrectly.</p>
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<p>Often people fall into the trap of modifying a 3D printer as a beginner, immediately after purchase. This can be quite risky. Firstly, they do not have a good working knowledge of how their printer functions. They have not seen it in action long enough to know what the purpose of each component is, which increases the chance of components being reinstalled incorrectly.</p>
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<p>Another potential problem is that the user will not appreciate the benefits of the upgrade because they have not worked with the printer in its 'inferior' standard state. In some cases something like an ABL probe will be fitted immediately, before the user understands how to manually level the bed. The rush to upgrade deprives the user of learning the fundamentals necessary for efficient and effective long term operation. I am a fan of using ABL for the added convenience and the ability to compensate for a warped bed, but this is because I spent many years without ABL on a less than precise printer.</p>
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<h4>Be methodical: only test/change/modify one aspect at a time</h4>
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<p>Beginners often tear down a printer and upgrade multiple things at once, which means when it goes back together and doesn't work they have no idea which new component is the problem.</p>
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