Could you take a picture of the top of your printhead?
There should be a white tightner and a blue clip holding it in place.
If any of those are missing or not functioning well that could cause the bowden tube to pop out. Usually when a bowden tube is not secured it will eliminate retraction.
I also see that the space between the PTFE coupler and hot end coupler is to small. It should be over 1mm.
This could be an interesting blog for you to read.
And we have a part 2.
Thanks for the reply, I actually had the same problem before with the blue clip, so I replaced it with a printed one, could it be this one is also too short? Are there a recommended one?
I have read those blog post, while they are very helpful, I couldn't find any information related to those horizontal lines.
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SandervG 1,522
Could you take a picture of the top of your printhead?
There should be a white tightner and a blue clip holding it in place.
If any of those are missing or not functioning well that could cause the bowden tube to pop out. Usually when a bowden tube is not secured it will eliminate retraction.
I also see that the space between the PTFE coupler and hot end coupler is to small. It should be over 1mm.
This could be an interesting blog for you to read.
And we have a part 2.
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