Prusa Research a.s.
Prusa Research a.s.

1. Tools necessary for this chapter

Step 1 of 46 (Chapter 9 of 11)
Contents
Comments
⬢Needle-nose pliers for zip tie trimming.
⬢Philips screwdriver to tighten PSU and HB cables
⬢1.5mm Allen key for nut alignment
⬢2.5mm Allen key for M3 screws
WARNING: Make sure to protect the electronics against electrostatic discharge (ESD). Keep the Einsy board in the antistatic bag until it is needed for the assembly.

Contents

Original Prusa i3 MK3S+ kit assembly (v3.26)

Comments

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dantheman77
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Warning: This step is very difficult and I ended up breaking the extruder cable holder, luckily it still holds and is not a very critical part.
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Phil
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This section is challenging. There are a lot of little wires to deal with. I did find the instructions as-written were really good. Take time to study the pictures and go slowly when doing this section. My printer worked perfectly on the first try!
 
In previous chapters, I found the comments to be really helpful. In this one, they generally were not. I think this is because Prusa improved the documentation and/or the design since some of the older comments were made. For example, some comments say that you won't have any extra wire to leave slack -- that's not the case in Oct 2021. Plently of extra wire for all the connections.
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MaverickTse
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I found this part even harder than the extruder assembly. The nylon thing and cable management stuff can call for better design and instruction improvement. For instance, first-time builder would under-estimate the effect of zip-tie orientation.... which can get in the way of extruder movement.
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