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Where Does This Piece Go?  

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Allanimal
(@allanimal)
Eminent Member
Where Does This Piece Go?

So during a print today, I ran out of filament.
When I tried to load new filament, the extruder pulled it in a bit, and then it just made clacking sounds and didn't extrude anything.
After several attempts to unload and load the filament, I opened the access port on the side of the extruder, and saw that there was still a length of the old filament inside, broken off below the gear. The unload function was not moving it at all, so I grabbed it with needle nose pliers and eventually managed to work it out, At the final pull, a small black piece also came with it.

I'm trying to figure out where this came from. Did it break off or just come loose some how?
I can't tell if there is a broken edge on it - it is smooth everywhere.
If it is broken, do I need to replace the piece, and which piece?

Here are some pictures of it, from various angles.

Anyone recognize it?

Posted : 23/03/2018 8:39 pm
reid.b
(@reid-b)
Reputable Member
Re: Where Does This Piece Go?

That is just a simple light blocker piece that goes on the top of your extruder idler cover.

Posted : 23/03/2018 8:42 pm
nolan.l
(@nolan-l)
Eminent Member
Re: Where Does This Piece Go?

Here's the step in the guide. It covers filament sensor so light can't get in.

http://manual.prusa3d.com/Guide/5.+E-axis+assembly/510?lang=en#s8312

Posted : 23/03/2018 8:45 pm
Allanimal
(@allanimal)
Eminent Member
Topic starter answered:
Re: Where Does This Piece Go?

Great! Thanks!
I was really worried I broke something.

I guess thats the disadvantage to getting an assembled printer instead of the kit... You don't have a frame of reference for these bits.

Posted : 23/03/2018 8:55 pm
Dewey79
(@dewey79)
Honorable Member
Re: Where Does This Piece Go?


Great! Thanks!
I was really worried I broke something.

I guess thats the disadvantage to getting an assembled printer instead of the kit... You don't have a frame of reference for these bits.

You can always access the online guide for building the printer and walk through each step and glance at the pieces.

Posted : 23/03/2018 9:06 pm
Allanimal
(@allanimal)
Eminent Member
Topic starter answered:
Re: Where Does This Piece Go?



Great! Thanks!
I was really worried I broke something.

I guess thats the disadvantage to getting an assembled printer instead of the kit... You don't have a frame of reference for these bits.

You can always access the online guide for building the printer and walk through each step and glance at the pieces.

I actually tried to do that, but I was so convinced something broke off I was only looking at pictures bigger parts to figure out where this came off. I totally missed the relatively small, in comparison, section about this part.

But thanks, it is a good reminder to read thru the assembly instructions when trying to track down some issues.

Posted : 24/03/2018 5:23 pm
JoanTabb
(@joantabb)
Veteran Member Moderator
Re: Where Does This Piece Go?

I found that part incredibly fiddly, especially with long nails...
and there is no way that I am going cut them...

so last time I lost that piece, i made one that was easier to hold, and insert[attachment=0]20180324_170809[1].jpg[/attachment]

it looks like the object above
and was made by putting the first copy into slic3r, flipping it on the Y axis
then adding a second copy, then moving them together till the two tops touched...

now i have a plug that will go in either way round, it's easier to grip, and harder to lose...

WIN WIN WIN

🙂

Joan

I try to make safe suggestions,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions, what you do, is YOUR responsibility. Location Halifax UK

Posted : 24/03/2018 6:29 pm
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